Ideal Gas Law Calculator
Calculate pressure from amount, temperature, and volume.
How to Use This Calculator
1
Enter n, T, V
Use SI units: mol, K, m³ for consistency with R.
2
Calculate P
Pressure is returned in pascals.
Formula
P = (n × R × T) / V
Example: n=1 mol, T=298 K, V=0.024 m³ → P≈103238 Pa
About the Ideal Gas Law
The ideal gas law relates macroscopic properties of gases and is accurate at low pressures and moderate temperatures.
Frequently Asked Questions
Other forms?
You can also solve for V, n, or T if other variables are known.
Unit conversions?
Ensure unit consistency with R; convert L to m³ and °C to K.