Ideal Gas Calculator
Solve PV=nRT for the missing pressure, volume, moles or temperature.
What this calculator answers
The Ideal Gas Calculator uses the requested values to calculate the requested result. The core method is Related formulas are calculated together from shared inputs.. This makes the assumptions visible so you can check whether the inputs match your situation.
How to get a useful result
Keep units consistent with the formula and use values measured under compatible conditions.
How to interpret it
The result follows the simplified model shown. Real systems can require additional variables, uncertainty analysis or domain-specific corrections.
Before relying on the number
Recheck unusual inputs, confirm units and compare the result with any official quote, statement, specification or rule that applies to the real decision. Small changes in rates, time periods or measurements can materially change some results.