Common Converters

Convert Gallons to Cubic Meters

Use our accurate converter to change gallons into cubic meters. This tool is simple to use and works instantly.

How to Calculate

To change gallons to cubic meters, you just need to know the conversion factor.

Rule: 1 Gallons = 0.00378541 Cubic Meters

Gallons to Cubic Meters
Pre-defined calculator for direct gallons to cubic meters conversion.
Gallons (US) (gal)
0
Cubic Meters (m³)
Formula: 1 Gallons = 0.00378541 Cubic

Unit Information

About Gallons

Definition: The US liquid gallon is a unit of volume equal to 128 US fluid ounces or exactly 3.785411784 liters.

History: Based on the medieval wine gallon used in England.

Where it is used: Primary unit for fuel and milk in the United States.

Gallons to Cubic Meters Conversion Table

Gallons [gal]Cubic Meters [m3]
0.01 gal0.0000378541 m3
0.1 gal0.000378541 m3
1 gal0.00378541 m3
2 gal0.00757082 m3
3 gal0.01135623 m3
5 gal0.01892705 m3
10 gal0.0378541 m3
20 gal0.0757082 m3
50 gal0.1892705 m3
100 gal0.378541 m3
1000 gal3.78541 m3

How to Convert Gallons to Cubic Meters

Calculation: To convert gallons to cubic meters, multiply the value by the conversion factor (0.00378541).

Example: convert 15 gal to m3:
15 gal = 15 × 0.00378541 m3 = 0.05678115 m3

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