Volume · gal → m³
US gallons to Cubic metres
Enter any value below to convert us gallons to cubic metres instantly.
To
1 gal = 0.00378541 m³
Conversion formula
How to convert gal to m³
m³ = gal × 0.00378541
Multiply the us gallons value by 0.00378541 to get cubic metres. The converter keeps extra precision internally and rounds only the displayed answer.
Converting us gallons to cubic metres helps with cooking, fuel, containers, aquariums and liquid product specifications.
Worked example
Convert 10 gal10 gal = 0.03785412 m³
Calculated with the published formula. No estimated exchange rates or hidden rounding.
Common us gallons to cubic metres values
| US gallons (gal) | Cubic metres (m³) |
|---|---|
| 1 gal | 0.00378541 m³ |
| 5 gal | 0.01892706 m³ |
| 10 gal | 0.03785412 m³ |
| 25 gal | 0.09463529 m³ |
| 50 gal | 0.18927059 m³ |
| 100 gal | 0.37854118 m³ |
Quick answer
How many cubic metres are in one us gallon?
One us gallon equals 0.00378541 m³.