Ideal Gas Law Calculator (PV = nRT)
The number of moles of a gas from its pressure, volume and temperature.
Result
Amount (moles)
0.9994
How it works
n = PV ÷ RT (R = 0.0821 L·atm/mol·K)
The ideal gas law relates pressure, volume, temperature and amount. With pressure in atm, volume in litres and temperature in kelvin, n comes out in moles.
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Frequently asked questions
What units does it need?
Atmospheres, litres and kelvin with R = 0.0821; remember to convert °C to K by adding 273.15.
When does it break down?
At very high pressure or very low temperature real gases deviate from ideal behaviour.
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