Science
Boyle's Law Calculator
Use Boyle's law for inverse pressure-volume gas relationships at constant temperature.
Choose the missing quantity; the calculator hides that field and solves it from the others.
Solved value
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- Initial pressure P1
- —
- Initial volume V1
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- Final pressure P2
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- Final volume V2
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Study path
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What the boyle's law calculator solves
Use Boyle's law for inverse pressure-volume gas relationships at constant temperature.
Formula
How to use it
- Choose the quantity you want to solve for.
- Enter the known values with consistent units.
- Check the rearranged formula, substitution, and warnings before using the result.
How to read the answer
When temperature stays constant, increasing pressure lowers volume proportionally.
Common mistakes and edge cases
- Use absolute pressure when required.
- Keep both volumes in the same unit.
- Boyle's law assumes constant temperature and amount of gas.
Worked examples
Compressed gas
Solved value
Final volume V2 = 1 L
Find final pressure
Solved value
Final pressure P2 = 180 kPa
Frequently asked questions
Can the boyle's law calculator solve for a missing variable?+
Yes. Use the solve-for control to hide the missing value, then enter the other known values with compatible units.
Why do the units matter?+
Formula calculators assume the entered values are already in matching units. Convert first when your measurements use mixed systems.
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Last updated: May 15, 2026