Ideal Gas Law Calculator — science and physics formula calculators
Solve any unknown in the ideal gas law PV = nRT by choosing the quantity to find — pressure P (Pa), volume V (m³), amount of gas n (mol), or temperature T (K) — using the gas constant R = 8.314 J/(mol·K). Use it for chemistry and physics problems involving gases at normal conditions.
Category: Chemistry
About this tool
What Is Ideal Gas Law Calculator? Ideal Gas Law Calculator is a browser-based tool for Calculate pressure, volume, and temperature using PV=nRT. This guide explains the result, the calculation or processing method, and correct usage. Calculation or Processing Method Convert temperature to kelvin and use compatible pressure and volume units before solving for the selected unknown. Formula or method: Ideal gas law: PV = nRT. Isolate the selected unknown from pressure, volume, amount, temperature, and gas constant. Further reading: Wikipedia reference . How to Use It Open the tool and choose the required unit, mode, or options. Enter values or paste text into the input fields. Review the result, copy it, or continue with a related tool. Important Notes Use consistent units and verify values before calculating. Incomplete or invalid input can produce an incomplete result. Related Tools Tools that support the same workflow: Boyle's Law Calculator — Calculate gas pressure and volume at constant temperature. Charles's Law Calculator — Calculate gas volume and temperature at constant pressure. Pressure Calculator — Calculate pressure from force and area. Frequently Asked Questions How does Ideal Gas Law Calculator work? Convert temperature to kelvin and use compatible pressure and volume units before solving for the selected unknown. What formula does Ideal Gas Law Calculator u