Ideal Gas Law Calculator
Solve PV = nRT for pressure with known moles, volume and temperature.
Inputs
Formula
- PV = nRT
- R = 8.314 J/(mol·K)
The ideal gas law is accurate for most gases at ordinary temperatures and moderate pressures.
Step-by-step calculation
- 1
Pressure
(1 × 8.314 × 298.15) / 0.0224
110,662 Pa
Frequently asked questions
What does the Ideal Gas Law Calculator do?
Solve PV = nRT for pressure with known moles, volume and temperature. The Ideal Gas Law Calculator on OneCalcApp returns the result instantly as you type, together with the formula and the substituted values.
How do I use the Ideal Gas Law Calculator?
Enter your values in the input fields, choose the relevant units or options, and the Ideal Gas Law Calculator recalculates automatically. You can copy, print or export the result.
Is the Ideal Gas Law Calculator free to use?
Yes. The Ideal Gas Law Calculator is completely free, needs no sign-up and has no usage limit on OneCalcApp.
How accurate is the Ideal Gas Law Calculator?
It uses the standard formula PV = nRT and full double-precision arithmetic, so results match a manual calculation to the displayed number of digits.
Does the Ideal Gas Law Calculator work on mobile and offline?
Yes. The Ideal Gas Law Calculator runs entirely in your browser on phones, tablets and desktops, and your inputs never leave your device.
Where can I find related tools?
OneCalcApp hosts 300+ calculators and converters, including the full Math collection. Related tools are linked at the bottom of every page.
Related calculators
Keep going with more math tools.
Molarity Calculator
Solution concentration from solute mass, molar mass and volume.
pH Calculator
Convert between hydrogen ion concentration, pH and pOH.
Percentage Calculator
Solve every common percentage problem: X% of Y, what percent one number is of another, percentage increase or decrease and reverse percentage.
Kinetic Energy Calculator
Energy of a moving body from its mass and speed.
Projectile Motion Calculator
Range, maximum height and flight time from launch speed and angle.
Dilution Calculator (C1V1 = C2V2)
Work out the stock volume needed for a target concentration.