Physics Calculators
529 Free Calculators ⚛️
The well-known American author, Bill Bryson, once said: "Physics is really nothing more than a search for ultimate simplicity, but so far all we have is a kind of elegant messiness." Physics is indeed the most fundamental of the sciences that tries to describe the whole nature with thousands of mathematical formulas. How not to get lost in all of this knowledge? How to organize it? The solution is here! Our physicists' team constantly create physics calculators, with equations and comprehensive explanations that cover topics from classical motion, thermodynamics, and electromagnetism to astrophysics and even quantum mechanics. Whether you need a kinematics calculator, dynamics calculator, density calculator, or gear ratio calculator, we've got you covered!
⏱️ Kinematics⚡ Energy🧲 Electromagnetism🌡️ Thermodynamics🌌 Astrophysics⚛️ Quantum
⏱️
Kinematics Calculators — How things move ⏱️
28 calculators
Arrow Speed Calculator
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Ballistic Coefficient Calculator
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Car Jump Distance Calculator
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Conservation of Momentum Calculator
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Displacement Calculator
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Free Fall Calculator
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Free Fall with Air Resistance Calculator
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Friction Calculator
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Ground Speed Calculator
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Horizontal Projectile Motion Calculator
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Impulse and Momentum Calculator
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Inclined Plane Calculator
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Magnitude of Acceleration Calculator
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Maximum Height Calculator – Projectile Motion
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Momentum Calculator
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Muzzle Velocity Calculator
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Polar Moment of Inertia Calculator
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Projectile Motion Calculator
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Projectile Range Calculator
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Quarter Mile Calculator
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Resultant Velocity Calculator
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Rolling Resistance Calculator
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Sled Ride Calculator
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SUVAT Calculator
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Terminal Velocity Calculator
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Time of Flight Calculator – Projectile Motion
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Trajectory Calculator
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Velocity Calculator
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➡️
Dynamics Calculators — Why things move ➡️
13 calculators
Acceleration Calculator
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Angle of Banking Calculator
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Car Crash Calculator
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Force Calculator
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Gravitational Force Calculator
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Hooke's Law Calculator
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kg to Newtons Calculator
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Newton's Second Law Calculator
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Newton's Third Law Calculator
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Normal Force Calculator
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Net Force Calculator
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Stopping Distance Calculator
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Tension Calculator
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⚖️
Statics Calculators — When things don't move ⚖️
4 calculators
⚡
Energy, work, and power calculators ⚡
14 calculators
Bullet Energy Calculator
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EIRP Calculator — Effective Isotropic Radiated Power
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Elastic Potential Energy Calculator
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FPE calculator — Foot-pounds of Energy
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Impact Energy Calculator
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Kinetic Energy Calculator
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Potential Energy Calculator
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Power-to-Weight Ratio Calculator
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Recoil Energy Calculator
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Signal-to-Noise Ratio Calculator
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TNT Equivalent Calculator
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Watt Converter
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Work Calculator
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Work and Power Calculator
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🌎
Rotational and periodic motion calculators 🌎
23 calculators
Angular Acceleration Calculator
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Angular Displacement Calculator
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Angular Frequency Calculator
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Angular Momentum Calculator
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Angular Velocity Calculator
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Centrifugal Force Calculator
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Centrifuge Calculator
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Centripetal Force Calculator
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Circular Motion Calculator
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Coriolis Effect Calculator
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Damping Ratio Calculator
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Flywheel Energy Storage Calculator
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Frequency Calculator
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Harmonic Wave Equation Calculator
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Kinetic Energy of a Pendulum Calculator
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Mass Moment of Inertia Calculator
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Physical Pendulum Calculator
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Rotational Kinetic Energy Calculator
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Rotational Stiffness Calculator
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Simple Harmonic Motion Calculator
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Simple Pendulum Calculator
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Torque Calculator
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Wavelength Calculator
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🔍
Optics and light calculators 🔍
30 calculators
Angular Resolution Calculator
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Aperture Area Calculator
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Binoculars Range Calculator
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Blackbody Radiation Calculator
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Bragg's Law Calculator
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Brewster's Angle Calculator
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Contact Lens Vertex Calculator
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Diffraction Grating Calculator
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Diopter Calculator
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Distance to Horizon Calculator
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Earth Curvature Calculator
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Index of Refraction Calculator
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Laser Beam Divergence Calculator
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Laser Beam Expander Calculator
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Laser Brightness Calculator
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Laser Linewidth and Bandwidth Calculator
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Laser Beam Spot Size Calculator
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Lens Maker Equation Calculator
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Lumen Calculator (Lumen to Lux to Candela)
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Lux to Foot Candles Converter
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Malus Law Calculator
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Mirror Equation Calculator
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Optical Density Calculator
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Radar Horizon Calculator
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Snell's Law Calculator
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Speed of Light Calculator
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Telescope Field of View Calculator
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Telescope Magnification Calculator
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Thin-Film Optical Coating Calculator
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Thin Lens Equation Calculator
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🔊
Acoustic waves calculators 🔊
16 calculators
Acoustic Impedance Calculator
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Alfvén Velocity Calculator
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Beat Frequency Calculator
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Critical Damping Calculator
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dB Calculator
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dB Gain Calculator
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Distance Attenuation Calculator
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Doppler Effect Calculator
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Frequency Converter
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Helmholtz Resonator Calculator
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Modulation Calculator
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Reverberation Time Calculator
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Sound Absorption Coefficient Calculator
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Sound Wavelength Calculator
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Speed of Sound Calculator
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Speed of Sound in Solids Calculator
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🧱
Materials and continuum mechanics calculators 🧱
39 calculators
Angle of Repose Calculator
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Angle of Twist Calculator
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Bend Allowance Calculator
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Brinell Hardness Number Calculator
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Buckling Calculator
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Bulk Modulus Calculator
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Copper Wire Weight Calculator
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Density Calculator
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Elastic Constants Calculator
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Elongation Calculator
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Factor of Safety Calculator
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Gold Weight Calculator
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Hoop Stress Calculator
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Impact Test Calculator
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Intrinsic Carrier Concentration Calculator
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Mohr's Circle Calculator
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Natural Frequency Calculator
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Number Density Calculator
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Poisson's Ratio Calculator
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Principal Stress Calculator
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Rockwell Hardness Conversion Calculator
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Section Modulus Calculator
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Shear Modulus Calculator
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Shear Strain Calculator
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Shear Stress Calculator
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Shear Wave Velocity Calculator
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Slenderness Ratio Calculator
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Specific Gravity Calculator
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Stiffness Matrix Calculator
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Stress Calculator
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Stress Concentration Factor Calculator
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Thermal Stress Calculator
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Torsional Constant Calculator
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Torsional Stiffness Calculator
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True Strain Calculator
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Vickers Hardness Number Calculator
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Volume to Mass Calculator
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Von Mises Stress Calculator
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Young's Modulus Calculator
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🔩
Machines and mechanisms calculators 🔩
26 calculators
Belt Length Calculator
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BMEP Calculator (Brake Mean Effective Pressure Calculator)
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Carburetor CFM Calculator
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Crawl Ratio Calculator
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Engine Displacement Calculator
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Exhaust Diameter Calculator
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Fulcrum Calculator
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Gear Ratio Calculator
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Lever Calculator
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Linear Actuator Force Calculator
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Mechanical Advantage Calculator
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NPSH Calculator – Net Positive Suction Head
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Piston Force Calculator
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Piston Speed Calculator
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Prop Pitch Calculator
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Prop Slip Calculator
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Pulley Calculator
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Pump Horsepower Calculator
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Shaft Size Calculator
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Speeds and Feeds Calculator
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Spring Calculator
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Spring Rate Calculator
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Torsion Spring Calculator
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Transmission Calculator
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Twist Rate Calculator
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Wing Loading Calculator
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🪐
Astronomy calculators 🪐
15 calculators
Alien Civilization Calculator
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Delta V Calculator
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Earth Orbit Calculator
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Escape Velocity Calculator
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Exoplanet Discovery Calculator
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Hohmann Transfer Calculator
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Rocket Equation Calculator
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Kepler's Third Law Calculator
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Orbital Period Calculator
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Orbital Velocity Calculator
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Rocket Thrust Calculator
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Specific Impulse Calculator
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Synodic Period Calculator
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Thrust to Weight Ratio Calculator
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UFO Travel Calculator
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🌌
Astrophysics calculators 🌌
12 calculators
Black Hole Collision Calculator
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Black Hole Temperature Calculator
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Drake Equation Calculator
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Hubble Law Distance Calculator
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Light Year Calculator
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Luminosity Calculator
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Olber's Paradox
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Parallax Calculator
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Radiation Pressure Calculator
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Redshift Calculator
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Schwarzschild Radius Calculator
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Universe Expansion Calculator
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🚀
Relativity calculators 🚀
10 calculators
Barn-Pole Paradox
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Bug-Rivet Paradox
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Electron Speed Calculator
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E = mc² Calculator
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Gravitational Time Dilation Calculator
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Length Contraction Calculator
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Relativistic Kinetic Energy Calculator
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Space Travel Calculator
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Time Dilation Calculator
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Velocity Addition Calculator
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🧲
Electromagnetism calculators 🧲
44 calculators
Acceleration in the Electric Field Calculator
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AC Wattage Calculator
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Capacitance Calculator
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Capacitive Reactance Calculator
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Conductivity to Resistivity Calculator
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Coulomb's Law Calculator
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Cutoff Frequency Calculator
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Cyclotron Frequency Calculator
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Debye Length Calculator
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Delta to Wye Conversion
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Dipole Moment Calculator
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Drift Velocity Calculator
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Electrical Power Calculator
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Electric Field Calculator
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Electric Motor Torque Calculator
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Electric Potential Calculator
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Energy Density of Fields Calculator
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Excess Electrons Calculator
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Faraday's Law Calculator
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Free Space Path Loss Calculator
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Frequency Bandwidth Calculator
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Fresnel Zone Calculator
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Gauss's Law Calculator
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Hall Coefficient Calculator
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hp to amps Calculator
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Inductive Reactance Calculator
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Insertion Loss Calculator
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Internal Resistance Calculator
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kVA Calculator
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Lorentz Force Calculator
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Magnetic Declination Calculator
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Magnetic Dipole Moment Calculator
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Magnetic Field of a Straight Current-Carrying Wire Calculator
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Magnetic Permeability Calculator
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Power Dissipation Calculator
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Power Factor Calculator
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Skin Depth Calculator
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Voltage Drop Calculator
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Volt to Electron Volt Calculator
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VSWR Calculator (Voltage Standing Wave Ratio Calculator)
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Watt Calculator
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Watt-hour Calculator
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Watts to Amps Calculator
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Watts to Lux Calculator
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💡
Electronics and circuits calculators 💡
58 calculators
Boost Converter Calculator
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Breaker Size Calculator
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Bridge Rectifier Calculator
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Buck Converter Calculator
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Capacitive Transformerless Power Supply Calculator
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Capacitor Charge Time Calculator
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Capacitor Calculator
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Capacitor Energy Calculator
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Capacitors in Series Calculator
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Capacitor Size Calculator
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Crossover Calculator
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Current Divider Calculator
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Dipole Calculator
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Flyback Converter Calculator
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Forward Converter Calculator
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Generator Power Calculator
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Helical Coil Calculator
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High Pass Filter Calculator
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Ideal Transformer Calculator
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Inductor Energy Storage Calculator
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Inductors in Parallel Calculator
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Inductors In Series Calculator
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Inverting Buck-Boost Converter Calculator
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J-Pole Antenna Calculator
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LED Resistor Calculator
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Low Pass Filter Calculator
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Magnetic Force Between Current-Carrying Wires Calculator
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Magnetic Force on a Current-Carrying Wire Calculator
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MOSFET Calculator
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MOSFET Threshold Voltage Calculator
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555 Timer Calculator
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Noise Figure Calculator
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Ohm's Law Calculator
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Parallel Capacitor Calculator
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Parallel Resistor Calculator
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Photon Detection Efficiency Calculator (SiPM)
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RC Circuit Calculator
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Resistor Color Code Calculator
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Resistor Noise Calculator
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Resistor Wattage Calculator
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Resonant Frequency Calculator
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RLC Circuit Calculator
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RLC Impedance Calculator
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RMS Voltage Calculator
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Series Resistor Calculator
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Shockley Diode Calculator
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Solenoid Inductance Calculator
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Solenoid Magnetic Field Calculator
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Spherical Capacitor Calculator
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Three Phase Calculator
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Transformer Sizing Calculator
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Transistor Biasing Calculator
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Voltage Divider Calculator
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Voltage Regulation Calculator
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Wheatstone Bridge Calculator
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Wire Gauge Calculator
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Wire Resistance Calculator
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Wire Size Calculator
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💧
Fluid mechanics calculators 💧
48 calculators
API Gravity Calculator
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Archimedes' Principle Calculator
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Bernoulli Equation Calculator
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Broad Crested Weir Calculator
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Buoyancy Calculator
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Coefficient of Discharge Calculator
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Cv Flow Calculator
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Cv Calculator — Valve Flow Coefficient
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Darcy's Law Calculator
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Darcy Weisbach Calculator
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Differential Pressure Calculator
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Drag Equation Calculator
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Fan Calculator
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Flow Rate Calculator
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Friction Factor Calculator
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Friction Loss Calculator
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Froude Number Calculator
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Hydraulic Conductivity Calculator
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Hydraulic Gradient Calculator
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Hydraulic Jump Calculator
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Hydraulic Pressure Calculator
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Hydraulic Radius Calculator
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Hydrostatic Pressure Calculator
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Knudsen Number Calculator
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Lift Coefficient Calculator
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Mach Number Calculator
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Magnus Force Calculator
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Manometer Calculator
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Moisture Content Calculator
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Oblique Shock Calculator
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Open Channel Flow Calculator
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Orifice Flow Calculator
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Pipe Flow Calculator
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Pneumatic Cylinder Force Calculator
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Poise-Stokes Converter
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Poiseuille's Law Calculator
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Porosity and Permeability Calculator
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Pounds per Minute Calculator
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Prandtl Meyer Expansion Calculator
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Prandtl Number Calculator
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Refrigerant Capillary Tube Calculator
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Reynolds Number Calculator
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Stokes' Law Calculator
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Water Density Calculator
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Water Viscosity Calculator
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Wind Correction Angle Calculator
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Wind Load Calculator
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Y+ Calculator
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☁️
Atmospheric physics calculators ☁️
17 calculators
Absolute Humidity Calculator
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Air Density Calculator
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Air Pressure at Altitude Calculator
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Cloud Base Calculator
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Density Altitude Calculator
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Dew Point Calculator
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Heat Index Calculator
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Kinematic Viscosity of Air Calculator
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Lightning Distance Calculator
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Mixing Ratio of Air Calculator
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Psychrometric Calculator
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Relative Humidity Calculator
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SCFM Calculator — Standard Cubic Feet per Minute
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Temperature at Altitude Calculator
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True Airspeed Calculator
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Virtual Temperature Calculator
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Wet Bulb Calculator
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🌡️
Thermodynamics and heat calculators 🌡️
46 calculators
Biot Number Calculator
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Boltzmann Factor Calculator
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Boyle's Law Calculator
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BTU to Tons Converter
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Calorimetry Calculator
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Carnot Efficiency Calculator
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Charles' Law Calculator
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Coefficient of Performance Calculator
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Compressibility Factor Calculator
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Curie's Law Calculator
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Effectiveness-NTU Calculator
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Efficiency Calculator
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Electrical Mobility Calculator
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Enthalpy Calculator
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Evaporation Rate Calculator
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Gay-Lussac's Law Calculator
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Heat Capacity Calculator
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Heat Transfer Calculator
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Heat Transfer Coefficient Calculator
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Ideal Gas Density Calculator
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Ideal Gas Law Calculator
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Isentropic Flow Calculator
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Joule Heating Calculator
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Latent Heat Calculator
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LMTD Calculator – Log Mean Temperature Difference
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Mean Free Path Calculator
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Mixed Air Calculator
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Mixed Air Temperature Calculator
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Newton's Law of Cooling Calculator
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Nusselt Number Calculator
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Particles Velocity Calculator
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Root Mean Square Velocity Calculator
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Sensible Heat Calculator
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Specific Gas Constant Calculator
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Specific Heat Calculator
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Thermal Conductivity Calculator
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Thermal Diffusivity Calculator
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Thermal Efficiency Calculator
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Thermal Energy Calculator
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Thermal Equilibrium Calculator
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Thermal Expansion Calculator
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Thermal Resistance Calculator
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Combined Gas Law Calculator
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Van der Waals Equation Calculator
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Water Heating Calculator
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Watts to Heat Calculator
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⚛️
Quantum mechanics calculators ⚛️
15 calculators
Bohr Model Calculator
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Compton Scattering Calculator
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Compton Wavelength Calculator
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Curie Constant Calculator
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De Broglie Wavelength Calculator
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Fermi Level Calculator
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Frequency of Light Calculator
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Heisenberg's Uncertainty Principle Calculator
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Hydrogen Energy Levels Calculator
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Magnetic Moment Calculator
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Photoelectric Effect Calculator
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Photon Energy Calculator
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Rydberg Equation Calculator
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Stefan Boltzmann Law Calculator
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Wien's Law Calculator
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👩🔬
Everyday physics and experiments calculators 👩🔬
9 calculators
Buoyancy Experiment Calculator
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Flat vs. Round Earth Calculator
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Hair Diffraction Calculator
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Immersed Weight Calculator
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Projectile Motion Experiment Calculator
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Smartphone Projector Calculator
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Sun Angle Calculator
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Sunrise Sunset Calculator
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Mass Moment of Inertia Calculator
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⚛️
Other calculators
8 calculators
Attenuation Calculator
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Blast Radius Calculator
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Exoplanet Travel Planner Calculator
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Inverse Square Law Calculator
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Quantum Number Calculator
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Reaction Time Calculator
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Surface Tension Calculator
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Warp Speed Calculator
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♻️
Redundant calculators
54 calculators
100 Amp Wire Size Calculator
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12 Volt Wire Size Calculator
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220 Volt Wire Size Calculator
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24V Wire Size Calculator
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3-Phase Motor Amperage Calculator
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Acceleration due to Gravity Calculator
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Acceleration using force and mass calculator
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Amp to Wire Size Calculator
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Angle of Incidence Calculator
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Angle of Refraction Calculator
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Buoyant Force Calculator
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Cube Density Calculator
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Daylight Calculator
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DC Wire Size Calculator
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Density Mass Volume Calculator
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Density of a Cylinder Calculator
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Density To Mass Calculator
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Density to Weight Calculator
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Energy to Wavelength Calculator
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Free Fall Distance Calculator
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Free Fall Height Calculator
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Free Fall Time Calculator
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Free Fall Velocity Calculator
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Frequency To Wavelength Calculator
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Friction Coefficient Calculator
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Friction Force Calculator
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Gas Density Calculator
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Gear Ratio RPM Calculator
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Gear Ratio Speed Calculator
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G Force Calculator
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Grams to cc Converter
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Ideal Gas Pressure Calculator
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Ideal Gas Temperature Calculator
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Ideal Gas Volume Calculator
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kVA to Amperage Calculator
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LC Filter Calculator
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Mass to Density Calculator
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Ohm's Law Current Calculator
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Ohm's Law Power Calculator
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Ohm's Law Resistance Calculator
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Pendulum Frequency Calculator
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Pendulum Period Calculator
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RC Filter Calculator
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Root Mean Square Speed Calculator for Ideal Gas
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Sphere Density Calculator
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Sunrise Calculator
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Sunset Calculator
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Volume to Density Calculator
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Wattage to Amperage Calculator
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Wavelength to Energy Calculator
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Wavelength to Frequency Calculator
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Wavenumber Calculator
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Wave Speed Calculator
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Wave Velocity Calculator
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Why Use Our Physics Calculators?
⚡
Instant Results
Get accurate calculations in milliseconds
📱
Mobile Friendly
Works perfectly on all devices
🎓
Educational
Shows formulas and step-by-step solutions
Complete Physics Calculator Suite
Whether you need a kinematics calculator, dynamics calculator, density calculator, or gear ratio calculator, we've got you covered! Our comprehensive collection of 529 physics calculators spans all major branches of physics, from the motion of everyday objects to the behavior of particles at quantum scales, from the vast expanses of the cosmos to the intricate workings of electronic circuits.
Each calculator is designed with both students and professionals in mind. High school and college students can use these tools to check homework, understand concepts, and prepare for exams. Engineers and physicists can quickly verify calculations, explore different scenarios, and solve complex problems. Every calculator includes the underlying formulas and explanations to help you understand the physics behind the calculations.
Classical Physics
- ✓ Mechanics: kinematics, dynamics, statics
- ✓ Thermodynamics and heat transfer
- ✓ Waves and acoustics
- ✓ Optics and light
- ✓ Electromagnetism and circuits
- ✓ Fluid mechanics and hydraulics
Modern Physics
- ✓ Special relativity and time dilation
- ✓ Quantum mechanics and atomic physics
- ✓ Astrophysics and cosmology
- ✓ Nuclear and particle physics
- ✓ Materials science and solid state
- ✓ Atmospheric and space physics
⚛️ Physics Fact: Our calculators cover everything from calculating the trajectory of a basketball to determining the gravitational time dilation near a black hole. Whether you're working on a high school physics lab or advanced research, you'll find the tools you need here. All calculations are based on established physics principles and peer-reviewed formulas.