This converter allows you to quickly convert us gallons (gal)
into cubic meters (m³).
Simply enter a value, choose your units, and get an instant, accurate result.
US Gallon to Cubic Meter Conversion Table
US Gallon (gal)
Cubic Meter (m³)
1
0.003785
2
0.007571
5
0.018927
10
0.037854
20
0.075708
50
0.189271
100
0.378541
200
0.757082
500
1.892706
1000
3.785412
2000
7.570824
5000
18.927059
10000
37.854118
20000
75.708236
50000
189.270589
100000
378.541178
200000
757.082357
500000
1,892.705892
1000000
3,785.411784
2000000
7,570.823568
How to convert US Gallons to Cubic Meters?
To convert us gallons to cubic meters, multiply by the conversion factor:
Example: Convert 10 US Gallons to Cubic Meters
Frequently asked questions
How many cubic meters are in 1 us gallon?
1 US Gallon (gal) equals 0.00378541 cubic meters (m³).
How many us gallons are in 1 cubic meter?
1 Cubic Meter (m³) equals 264.172 us gallons (gal).
How do I convert cubic meters back to us gallons?
Use the swap button above to flip the converter, or type a value directly into the "Cubic Meter" field — this page converts in both directions instantly as you type, with no submit button needed.
Which is larger, us gallon or cubic meter?
1 Cubic Meter is larger — it takes 264.172 us gallons to equal 1 cubic meter.