Calculate moles and liters for gases at STP, custom pressure and temperature, or liquid solution molarity and volume from any two values.

Moles to Liters Calculator

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STP Gas
Custom T/P Gas
Liquid Solution
Use 22.4 L/mol for common rounded STP conversions.
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Moles To Liters Formula

The following formula is used to calculate the volume in liters from the amount of a substance measured in moles.

V = n * 22.4

Variables:

  • V is the volume in liters (L)
  • n is the amount of substance measured in moles (mol)

To calculate the volume in liters, multiply the amount of substance measured in moles by 22.4. This is based on the concept of molar volume, which states that one mole of any gas at standard temperature and pressure (STP) occupies a volume of 22.4 liters.

Moles to Liters Conversion Table (STP, 22.4 L/mol)
Moles (mol) Liters (L)
0.0010.022
0.0050.112
0.010.224
0.020.448
0.051.120
0.12.240
0.255.600
0.511.200
0.7516.800
122.400
1.533.600
244.800
2.556.000
367.200
5112.000
7.5168.000
10224.000
12268.800
20448.000
501120.000
* Rounded to 3 decimals. Assumes ideal gas at STP (0°C, 1 atm): 1 mol ≈ 22.4 L.

What is Moles To Liters?

Moles to liters is a conversion process used in chemistry to convert the amount of a substance measured in moles to its equivalent volume in liters. This conversion is based on the concept of molar volume, which states that one mole of any gas at standard temperature and pressure (STP) occupies a volume of 22.4 liters. Therefore, to convert moles to liters, the number of moles is typically multiplied by 22.4.

How to Calculate Moles To Liters?

The following steps outline how to calculate the Moles To Liters using the formula V = n * 22.4.


  1. First, determine the amount of substance measured in moles (n).
  2. Next, use the formula V = n * 22.4 to calculate the volume in liters (V).
  3. Finally, calculate the Moles To Liters.
  4. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

amount of substance measured in moles (n) = 3