Math
405 Free Calculators 🔢
Math can be exciting and easier than you think! With our collection of maths calculators, everyone can perform and understand useful mathematical calculations in seconds. Are you scared of trigonometry? Do you think geometry is "too complicated"? Fear not! Omni Calculator has your back, with a comprehensive array of calculators designed so that people with any level of mathematical knowledge can solve complex problems effortlessly. From our algebra calculators, through plenty percentage calculators to our trigonometry calculators, we've got everything you need. Whether you need a fraction calculator to simplify ratios or a square root calculator to check your homework... You name it, we have it! In addition to the top-notch mathematical calculators, we include accurate yet straightforward descriptions of mathematical concepts to shine some light on the complex problems you never seemed to understand.
Percentages Calculators
17 calculators
Average Percentage Calculator
Fraction to Percent Calculator
Decimal to Percent Converter
Doubling Time Calculator
Percentage Calculator
Percentage Change Calculator
Percentage Decrease Calculator
Percentage Difference Calculator
Percentage Increase Calculator
Percentage Increase Classic
Percentage of a Percentage Calculator
Percentage Point Calculator
Percent Error Calculator
Time Percentage Calculator
Percent to Goal Calculator
Relative Change Calculator
Slope Percentage Calculator
Algebra Calculators
42 calculators
Absolute Value Equation Calculator
Absolute Value Inequalities Calculator
Adding and Subtracting Polynomials Calculator
Bessel Function Calculator
Binomial Coefficient Calculator
Box Method Calculator
Completing the Square Calculator
Complex Conjugate Calculator
Complex Number Calculator
Complex Root Calculator
Cubic Equation Calculator
Descartes' Rule of Signs Calculator
Diamond Problem Calculator
Direct Variation Calculator
Discriminant Calculator
Elimination Method Calculator
Error Function Calculator
Factoring Trinomials Calculator
FOIL Calculator
Gamma Function Calculator
Generic Rectangle Calculator
Graphing Inequalities on a Number Line Calculator
Graphing Quadratic Inequalities Calculator
Hyperbolic Functions Calculator
Inequality to Interval Notation Calculator
Interval Notation Calculator
Inverse Variation Calculator
Multiplying Binomials Calculator
Multiplying Polynomials Calculator
Partial Fraction Decomposition Calculator
Perfect Square Trinomial Calculator
Polynomial Division Calculator
Power Set Calculator
Quadratic Formula Calculator
Quaternion Calculator
Rational Zeros Calculator
Square of a Binomial Calculator
Subset Calculator
Substitution Method Calculator
Synthetic Division Calculator
System of Equations Calculator
Union and Intersection Calculator
Arithmetic Calculators
77 calculators
Absolute Change Calculator
Absolute Value Calculator
Adding and Subtracting Fractions Calculator
Addition Calculator
Associative Property Calculator
Average Calculator
Ceiling Function Calculator
Chinese Remainder Theorem Calculator
Compatible Numbers Calculator
Consecutive Integers Calculator
Cross Multiplication Calculator
Cube Root Calculator
Decimal Calculator
Digital Root Calculator
Distributive Property Calculator
Divisibility Test Calculator
Division Calculator
Egyptian Fractions Calculator
Expanded Form Calculator
Factor Calculator
Factorial Calculator
Fermat's Little Theorem Calculator
Floor Division Calculator
Floor Function Calculator
Fundamental Counting Principle Calculator
GCF Calculator – Greatest Common Factor
GCF and LCM Calculator
Geometric Mean Calculator
Greater Than Or Less Than Calculator
Harmonic Mean Calculator
Integer Calculator
Inverse Modulo Calculator
LCM Calculator — Least Common Multiple
Long Addition Calculator
Long Multiplication Calculator
Long Subtraction Calculator
Magic Square Calculator
Mean Calculator
Modulo Calculator
Multiplication Calculator
Multiplicative Inverse Calculator
Multiplicative Inverse Modulo Calculator
Order of Magnitude Calculator
Partial Products Calculator
Perfect Cube Calculator
Perfect Square Calculator
Pi Experiments Calculator
Place Value Calculator
Polish Notation Converter
Power Mod Calculator
Powers of i Calculator
Prime Factorization Calculator
Prime Number Calculator
Quotient Calculator
Radical Calculator
Rationalize Denominator Calculator
Reciprocal Calculator
Relatively Prime Calculator
Remainder Calculator
Reverse FOIL Calculator
Root Calculator
Root Mean Square Calculator
Rounding Calculator
Round to the Nearest Thousand Calculator
Scientific Notation Calculator
Set Builder Calculator
Significant Figures Calculator – Sig Fig
Simplifying Radicals Calculator
Square Root Calculator
Standard Form Calculator
Subtracting Fractions Calculator
Subtraction Calculator
Digit Sum Calculator
Sum of Products Calculator
Terminating Decimals Calculator
Triangular Numbers Calculator
Weighted Average Calculator
Coordinate Geometry Calculators
47 calculators
Average Rate of Change Calculator
Bilinear Interpolation Calculator
Catenary Curve Calculator
Coordinate Grid Calculator
Cosine Similarity Calculator
Cross Product Calculator
Cylindrical Coordinates Calculator
Direction of the Vector Calculator
Distance Formula Calculator
Distance from Point to Plane Calculator
Dot Product Calculator
Endpoint Calculator
Equation of a Sphere Calculator
Gradient Calculator
Intersection of Two Lines Calculator
Irregular Polygon Area Calculator
Latus Rectum Calculator
Least Squares Regression Line Calculator
Linear Interpolation Calculator
Line Equation from Two Points Calculator
Line of Intersection of Two Planes Calculator
Manhattan Distance Calculator
Midpoint Calculator
Parabola Calculator
Parallel Line Calculator
Perpendicular Line Calculator
Point Slope Form Calculator
Polar Coordinates Calculator
Polynomial Graphing Calculator
Ratios of Directed Line Segments Calculator
Rise Over Run Calculator
Rotation Calculator
Scatter Plot Calculator
Slope Calculator
Slope Intercept Form Calculator
Spherical Coordinates Calculator
Standard Form to Slope Intercept Form Calculator
Three-Dimensional Distance Calculator
Triangulation Calculator
Unit Vector Calculator
Vector Calculator
Vector Addition Calculator
Vector Magnitude Calculator
Vector Projection Calculator
Vertex Form Calculator
Volume of a Parallelepiped Calculator
y Intercept Calculator
Fractions Calculators
19 calculators
Adding Fractions Calculator
Comparing Fractions Calculator
Decimal to Fraction Calculator
Dividing Fractions Calculator
Equivalent Fractions Calculator
Fraction Calculator
Fraction Exponent Calculator
Fraction To Decimal Converter
Golden Ratio Calculator
Improper Fraction to Mixed Number Calculator
LCD Calculator - Least Common Denominator
Lowest Term Calculator
Mixed Number Calculator
Mixed Number to Improper Fraction Calculator
Multiplying Fractions Calculator
Proportion Calculator
Ratio Calculator
Simplify Fractions Calculator
Unit Rate Calculator
Linear Algebra Calculators
36 calculators
Adjoint Matrix Calculator
Characteristic Polynomial Calculator
Cholesky Decomposition Calculator
Cofactor Expansion Calculator
Cofactor Matrix Calculator
Column Space Calculator
Condition Number Calculator
Corner Point Calculator
Cramer's Rule Calculator
Diagonalize Matrix Calculator
Eigenvalue and Eigenvector Calculator
Gauss-Jordan Elimination Calculator
Gram-Schmidt Calculator
Hadamard Product Calculator
Inverse Matrix Calculator
Linear Combination Calculator
Linear Independence Calculator
LU Decomposition Calculator
Matrix Calculator
Matrix Addition and Subtraction Calculator
Matrix by Scalar Calculator
Matrix Determinant Calculator
Matrix Multiplication Calculator
Matrix Norm Calculator
Matrix Power Calculator
Matrix Rank Calculator
Matrix Trace Calculator
Matrix Transpose Calculator
Null Space Calculator
Polar Decomposition Calculator
Pseudoinverse Calculator
QR Decomposition Calculator
(Reduced) Row Echelon Form Calculator
Singular Values Calculator
SVD Calculator
Tensor Product Calculator
Trigonometry Calculators
22 calculators
Arccos Calculator (Inverse Cosine)
Arcsin Calculator (Inverse Sine)
Arctan Calculator (Inverse Tangent)
Cofunction Calculator
Cosecant Calculator
Cosine Calculator
Cotangent Calculator
Double Angle Formula Calculator
Half Angle Calculator
Inverse Trigonometric Functions Calculator
Law of Cosines Calculator
Law of Sines Calculator
Phase Shift Calculator
Power Reducing Calculator
Secant Calculator
Sine Calculator
Sum and Difference Identities Calculator
Tangent Calculator
Trig Identities Calculator
Trigonometric Functions Calculator
Trigonometry Calculator
Unit Circle Calculator
2D Geometry Calculators
25 calculators
Area Calculator
Area of a Rectangle Calculator
Area of Crescent Calculator
Center of Mass Calculator
Centroid Calculator
Chord Length Calculator
Conic Sections Calculator
Cross-Sectional Area Calculator
Cycloid Calculator
Ellipse Calculator
Golden Rectangle Calculator
Hexagon Calculator
Moment of Inertia Calculator
Octagon Calculator
Orthocenter Calculator
Pentagon Calculator
Perimeter Calculator
Quadrilateral Calculator
Polygon Calculator
Segment Addition Postulate Calculator
Segment Area Calculator
Spiral Length Calculator
Square Calc: find A, P, d
Star Shape Calculator
Trapezoid Calculator
Triangle Calculators
20 calculators
30 60 90 Triangle Calculator
45 45 90 Triangle Calculator
Area of a Right Triangle Calculator
Circumscribed Circle Calculator
Classifying Triangles Calculator
Equilateral Triangle Calculator
Heron's Formula Calculator
Hypotenuse Calculator
Isosceles Triangle Calculator
Perimeter of a Triangle Calculator
Pythagorean Theorem Calculator
Pythagorean Triples Calculator
Right Triangle Calculator
Right Triangle Side and Angle Calculator
Similar Triangles Calculator
Special Right Triangles Calculator
Triangle Angle Calculator
Triangle Area Calculator
Triangle Height Calculator
Triangle Inequality Theorem Calculator
Circle Calculators
12 calculators
Arc Length Calculator
Area of a Circle Calculator
Circle Calculator
Circle Theorems Calculator
Circumference Calculator
Coin Rotation Paradox
Equation of a Circle Calculator
Sector Area Calculator
Semicircle Area Calculator
Square in a Circle Calculator
String Girdling Earth Calculator
Tangent of a Circle Calculator
Angle Calculators
7 calculators
3D Geometry Calculators
24 calculators
Surface Area of a Hemisphere Calculator
Cube Calculator
Cube Calc: find V, a, d
Ellipsoid Volume Calculator
Great Circle Calculator
Lateral Area Trapezoidal Prism Calculator
Pyramid Angle Calculator
Pyramid Volume Calculator
Rectangular Prism Calculator
Right Circular Cone Calc: find A, V, A_L, A_B.
Right Cylinder Calculator: find A, V, A_l, A_b
Right Rectangular Pyramid Calc: find A, V, A_l, A_b
Slant Height calculator
Sphere Calc: find V, A, d
Surface Area Calculator
Surface Area of a Triangular Prism Calculator
Surface Area to Volume Ratio Calculator
Tetrahedron Volume Calculator
Torus Surface Area Calculator
Torus Volume Calculator
Triangular Prism Calculator
Volume Calculator
Volume of a Hemisphere Calculator
Volume of a Trapezoidal Prism Calculator
Sequences Calculators
11 calculators
Arithmetic Sequence Calculator
Collatz Conjecture Calculator
Convolution Calculator
Fibonacci Calculator
Geometric Sequence Calculator
Harmonic Number Calculator
Lagrange Error Bound Calculator
Pascal's Triangle Calculator
Sequence Calculator
Sum of a Linear Number Sequence Calculator
Sum of Series Calculator
Exponents and Logarithms Calculators
18 calculators
Antilog Calculator – Antilogarithm
Change of Base Formula Calculator
Condense Logarithms Calculator
Dividing Exponents Calculator
Dividing Radicals Calculator
e Calculator | eˣ | e Raised to Power of x
Expanding Logarithms Calculator
Exponent Calculator
Exponential Form Calculator
Exponential Function Calculator
Exponential Growth Calculator
Log Calculator (Logarithm)
Log Base 2 Calculator
Multiplying Exponents Calculator
Multiplying Radicals Calculator
Natural Log Calculator
Negative Log Calculator
Power of a Power Calculator
Binary Calculators
14 calculators
AND Calculator
Binary Addition Calculator
Binary Division Calculator
Binary Fraction Converter
Binary Multiplication Calculator
Binary Calculator
Binary Subtraction Calculator
Bit Shift Calculator
Bitwise Calculator
NOR Calculator
One's Complement Calculator
OR Calculator
Two's Complement Calculator
XOR Calculator
Other Calculators
14 calculators
Babylonian Numbers Converter
Cyclomatic Complexity Calculator
Galileo's Paradox of Infinity Calculator
Hilbert's Hotel Paradox Calculator
Involute Function Calculator
LFSR Calculator
Luhn Algorithm Calculator
Mayan Numerals Converter
Miracle Calculator
Potato Calculator
Prisoner's Dilemma Calculator
Queueing Theory Calculator
RSA Calculator
Ugly Duckling Theorem Calculator
Why Use Our Math Calculators?
Instant Results
Get accurate calculations in milliseconds
Mobile Friendly
Works perfectly on all devices
Educational
Shows formulas and step-by-step solutions
Comprehensive Math Tools
Our comprehensive collection of 405 math calculators helps students, teachers, and professionals solve mathematical problems quickly and accurately. From basic arithmetic to advanced calculus, we have the tools you need.
Whether you need a fraction calculator to simplify ratios or a square root calculator to check your homework... You name it, we have it! In addition to the top-notch mathematical calculators, we include accurate yet straightforward descriptions of mathematical concepts to shine some light on the complex problems you never seemed to understand.