About US gallons and cubic meters
The US gallon is a unit of liquid volume used in the United States. It is defined as exactly 3.785411784 liters and contains 4 quarts or 128 US fluid ounces.
A cubic meter (mยณ) is the SI unit of volume: the space inside a cube that is one meter on each side. It equals 1,000 liters.
How the conversion works
Converts US gallons to cubic meters, and back again. Type a value in either box and the other one updates as you type. The conversion uses 1 US gallon = 0.00378541 cubic meters.
US Gallon to Cubic Meter conversion table
| US gallons | cubic meters |
|---|---|
| 1 US gallon | 0.00378541 cubic meters |
| 2 US gallons | 0.00757082 cubic meters |
| 5 US gallons | 0.0189271 cubic meters |
| 10 US gallons | 0.0378541 cubic meters |
| 25 US gallons | 0.0946353 cubic meters |
| 50 US gallons | 0.189271 cubic meters |
| 100 US gallons | 0.378541 cubic meters |
| 1,000 US gallons | 3.78541 cubic meters |
How to use it
- Enter a value in US gallons to see it in cubic meters, or type in the other box to convert the opposite way.
- Check the quick conversion table below for common values.
- To convert by hand, multiply the number of US gallons by 0.00378541.
Did you know?
- A US gallon is smaller than an imperial gallon, which is about 4.546 liters.
- One cubic meter of water has a mass of about one tonne.