Combined gas law
Combined gas law: use initial pressure, initial volume, initial temperature. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
P₂ = P₁V₁T₂/(T₁V₂)
Variables & units
- Initial pressure
- kPa · minimum 0, maximum 1000000000000
- Initial volume
- L · minimum 0, maximum 1000000000000
- Initial temperature
- K · minimum 5e-324, maximum 1000000000000
- Final volume
- L · minimum 5e-324, maximum 1000000000000
- Final temperature
- K · minimum 5e-324, maximum 1000000000000
Worked example
Use the displayed example inputs, then follow the substituted values in the solution.
Assumptions
Fixed ideal-gas amount; absolute pressures and kelvin temperatures.
References
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
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