Conversion

US Gallons to Cubic Meters Converter

1 US gallon = 0.003785411784 m³. Enter any value to convert US gallons (gal) to cubic meters (m³), or use the table below for common values.

Results

1 gal =0.003785411784 m³US gallons → cubic meters
1 gal0.003785411784 m³
1 m³264.1720524 gal
Formula
m³ = gal × 0.003785411784
1 gal in other units
1 gal in other units
UnitValue
milliliters (mL)3,785.411784
liters (L)3.785411784
cubic meters (m³)0.003785411784
US teaspoons (tsp)768
US tablespoons (tbsp)256
US fluid ounces (fl oz)128
US cups (cup)16
US pints (pt)8
US quarts (qt)4

Formula

m³ = gal × 0.003785411784

Example: 10 gal = 0.03785411784 m³. To convert the other way, use gal = m³ × 264.1720524.

Quick mental estimate: multiply by about 0.0038.

US Gallons to Cubic Meters conversion table

US Gallons (gal)Cubic Meters (m³)
1 gal0.003785411784 m³
2 gal0.007570823568 m³
3 gal0.01135623535 m³
4 gal0.01514164714 m³
5 gal0.01892705892 m³
6 gal0.0227124707 m³
7 gal0.02649788249 m³
8 gal0.03028329427 m³
9 gal0.03406870606 m³
10 gal0.03785411784 m³
15 gal0.05678117676 m³
20 gal0.07570823568 m³
25 gal0.0946352946 m³
30 gal0.1135623535 m³
40 gal0.1514164714 m³
50 gal0.1892705892 m³
75 gal0.2839058838 m³
100 gal0.3785411784 m³
250 gal0.946352946 m³
500 gal1.892705892 m³
1,000 gal3.785411784 m³

About US gallons and cubic meters

The US gallon is exactly 231 cubic inches, about 3.785 liters. Fuel and milk are sold by the gallon in the US; the UK imperial gallon is about 4.546 liters.

The cubic meter is 1,000 liters, used for water and gas consumption, concrete and shipping volumes.

Other Volume conversions

Frequently asked questions

How do I convert US gallons to cubic meters?

Use the formula m³ = gal × 0.003785411784. For example, 10 gal = 0.03785411784 m³.

What is 1 US gallon in cubic meters?

1 gal = 0.003785411784 m³.

How do I convert cubic meters back to US gallons?

Use gal = m³ × 264.1720524. 1 m³ = 264.1720524 gal.