Ideal Gas Law Calculator (PV = nRT)
Science ToolsSolve for pressure, volume, moles or temperature
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All history →Ideal Gas Law Calculator (PV = nRT) — at a glance
Leave one box empty and solve PV = nRT.
P = 1 atm
n = 1 mol
T = 273.15 K
Calculate
V = 22.4 L
How to use it — step by step
Just your input — nothing to install or sign up for.
1
Enter your values
Fill in the boxes. Sample values are already there so you can see how it works.
2
Calculate
Press the button to get your answer instantly.
3
Read the result
The main answer is shown in a large card with extra details below it.
4
Copy it
Use the copy button to save the result anywhere.
Pro tips
Small things that make the result better.
✦Fill three boxes and leave one empty.
✦Temperature must be in kelvin: K = °C + 273.15.
Quick facts
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Instantresult in a moment
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Frequently Asked Questions
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