How to convert US gallons to cubic meters
To convert US gallons (gal) to cubic meters (m³), multiply the value in US gallons by 0.003785411784.
m³ = gal × 0.003785411784
Example: 10 gal = 0.03785411784 m³.
You can also type 10 gal to m³ into the smart calculator, or mix units: 1 gal + 1 m³.
US Gallons to Cubic Meters conversion table
| US Gallons | Cubic Meters |
|---|---|
| 0.01 gal | 0.000037854118 m³ |
| 0.1 gal | 0.00037854118 m³ |
| 0.25 gal | 0.00094635295 m³ |
| 0.5 gal | 0.0018927059 m³ |
| 1 gal | 0.0037854118 m³ |
| 2 gal | 0.0075708236 m³ |
| 3 gal | 0.011356235 m³ |
| 4 gal | 0.015141647 m³ |
| 5 gal | 0.018927059 m³ |
| 6 gal | 0.022712471 m³ |
| 7 gal | 0.026497882 m³ |
| 8 gal | 0.030283294 m³ |
| 9 gal | 0.034068706 m³ |
| 10 gal | 0.037854118 m³ |
| 12 gal | 0.045424941 m³ |
| 15 gal | 0.056781177 m³ |
| 20 gal | 0.075708236 m³ |
| 25 gal | 0.094635295 m³ |
| 30 gal | 0.11356235 m³ |
| 40 gal | 0.15141647 m³ |
| 50 gal | 0.18927059 m³ |
| 60 gal | 0.22712471 m³ |
| 75 gal | 0.28390588 m³ |
| 100 gal | 0.37854118 m³ |
| 250 gal | 0.94635295 m³ |
| 500 gal | 1.8927059 m³ |
| 1,000 gal | 3.7854118 m³ |
Converting cubic meters back to US gallons
1 m³ = 264.1720524 gal. See the Cubic Meters to US Gallons converter, or press the swap button above.
About the units
US gallon (gal)
Exactly 231 cubic inches, about 3.785 liters.
Cubic meter (m³)
The SI unit of volume, equal to 1,000 liters.
Volume is the space a substance occupies. The SI unit is the cubic meter, but the liter (one cubic decimeter) is used far more often. US and imperial units share names but not sizes: a US gallon is 3.785 liters while an imperial gallon is 4.546 liters.
Questions and answers
How many cubic meters are in a US gallon?
One US gallon (gal) equals 0.003785411784 cubic meters (m³).
How do I convert US gallons to cubic meters?
To convert US gallons to cubic meters, multiply the value in US gallons by 0.003785411784. The formula is m³ = gal × 0.003785411784. For example, 10 gal = 0.037854118 m³.
What is 10 gal in m³?
10 US gallons is 0.03785411784 cubic meters.
Which is bigger, a US gallon or a cubic meter?
A cubic meter is bigger: 1 m³ = 264.1720524 gal.
Is a US gallon the same as a UK gallon?
No. A US gallon is 3.785 liters and an imperial (UK) gallon is 4.546 liters, about 20% more. US and UK pints and fluid ounces differ too.
Does this gal to m³ converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.