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Ideal Gas Volume Calculator

Use this online ideal gas volume calculator with labeled inputs and a worked example. V = nRT/P.

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gas volume from moles calculator online

Use ideal gas volume calculator online with the chemical quantities shown below. Ideal gas with absolute pressure in pascals and absolute temperature in kelvin.

How to use it

Enter Gas amount (mol). Set Absolute temperature (K), Absolute pressure (Pa). Select Calculate, check the result units, then copy or download the JSON result.

Options and example settings

OptionChoices / valueExample default
Gas amount (mol)Main input. Decimal or scientific notation. Positive values only. 1
Absolute temperature (K)Option. Decimal or scientific notation. Positive values only. 273.15
Absolute pressure (Pa)Option. Decimal or scientific notation. Positive values only. 101325

Calculation method

V = nRT/P

Worked examples

Worked case for ideal gas volume calculator. Ideal gas with absolute pressure in pascals and absolute temperature in kelvin.

Ideal Gas Volume Calculator — example with explicit inputs

Settings: Absolute temperature (K): 273.15; Absolute pressure (Pa): 101325

Input:

1

Expected result for the example input and options:

Output:

{
  "volume_L": 22.413969545014137
}

Limitations and common mistakes

  • Ideal gas with absolute pressure in pascals and absolute temperature in kelvin.
  • Match every input to its displayed unit; scientific notation such as 1e-6 is accepted.
  • Check substance identity, reaction coefficients and concentration conventions. Numerical output does not verify experimental conditions.

Frequently asked questions

How can I use gas volume from moles calculator online?

Enter Gas amount (mol). Set Absolute temperature (K), Absolute pressure (Pa). Select Calculate, check the result units, then copy or download the JSON result.

Which model does Ideal Gas Volume Calculator use?

V = nRT/P. Ideal gas with absolute pressure in pascals and absolute temperature in kelvin.

Technical references

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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