Ideal gas law calculator

Calculate pressure with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use pressure to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Amount (mol)
1
Absolute temperature (K)
300
Volume (L)
24
Pressure (kPa)
103.930783

Try another scenario

Amount (mol)
1.1
Absolute temperature (K)
300
Volume (L)
24
Pressure (kPa)
114.323861
Calculation method

Calculation method

Pressure (kPa)

a × 8.314462618 × b ÷ c

Symbols and units
a
Amount (mol)
b
Absolute temperature (K)
c
Volume (L)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Ideal-gas model using R in kPa·L/(mol·K). Real gases can depart substantially from this approximation.
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Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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