UNIT CONVERTER / Volume Converter

Volume Converter

Convert cubic meters, liters and US liquid gallons for tank capacities and pipe filling quantities.

Inputs

Updates as you type

Value to convert

Results

Decimal places

m³

1m³

Results
L	1,000 L
US gal	264.172 US gal

Overview

Convert cubic meters, liters and US liquid gallons for tank capacities and pipe filling quantities.

Formula

1 m³ = 1,000 L
1 US liquid gallon = 3.785411784 L

Example

1 m³ equals 1,000 liters or approximately 264.172052 US gallons.

How to use

Check the units, enter the required values and select the available calculation options.
Results update immediately. Correct any highlighted input before using the result.
Choose display precision, copy the result or share the current inputs. Reset restores the example values.

Engineering notes

Uses US liquid gallons, not Imperial gallons of 4.54609 L.
Gas volume depends on pressure and temperature. This tool changes units only, not the reference state.

Frequently asked questions FAQ

Can liters be converted directly to kilograms?

Fluid density is required. Mass in kg equals volume in m³ multiplied by density in kg/m³.

Does display precision change the calculation?

No. Rounding is applied only to displayed results, not intermediate calculations. Small nonzero values use scientific notation. Consider the precision of the original measurements when interpreting results.