Combined gas law calculator

Calculate final pressure with your own figures.

Your numbers

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

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

Examples

Examples

Try the starting example

Initial pressure
100
Initial volume
2
Initial temperature (K)
300
Final volume
4
Final temperature (K)
300
Final pressure
50

Try another scenario

Initial pressure
110.00000000000001
Initial volume
2
Initial temperature (K)
300
Final volume
4
Final temperature (K)
300
Final pressure
55
Calculation method

Calculation method

Final pressure

a × b × e ÷ (c × d)

Symbols and units
a
Initial pressure
b
Initial volume
c
Initial temperature (K)
d
Final volume
e
Final temperature (K)

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

  • Fixed gas amount with absolute temperatures. Pressure and volume units must be consistent.
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Further reading

Method reference ↗

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

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