US Gallons to Cubic Meters (gal to m³) Converter
1 US gallon (gal) = 0.00378541 cubic meters (m³). To convert US gallons to cubic meters, multiply by 0.00378541: 15 gal × 0.00378541 = 0.0567812 m³. Also searched as US gallons to cubic metres.
Quick facts
- 1 gal = 0.00378541 m³
- 1 m³ = 264.172 gal
- Formula: m³ = gal × 0.00378541
- Quick estimate: multiply by about 0.0038
How to convert US gallons to cubic meters
- Take the value in US gallons.
- Multiply it by 0.00378541 (the number of cubic meters in one US gallon).
- Round the result to the precision you need.
Worked example (a car fuel tank): 15 gal × 0.00378541 = 0.0567812 m³.
To convert cubic meters back to US gallons, multiply by 264.172, or divide by 0.00378541.
Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).
US Gallons to Cubic Meters conversion table
| US Gallons [gal] | Cubic Meters [m³] |
|---|---|
| 0.01 gal | 0.0000378541 m³ |
| 0.1 gal | 0.0003785412 m³ |
| 1 gal | 0.0037854118 m³ |
| 2 gal | 0.0075708236 m³ |
| 3 gal | 0.0113562354 m³ |
| 5 gal | 0.0189270589 m³ |
| 10 gal | 0.0378541178 m³ |
| 20 gal | 0.0757082357 m³ |
| 50 gal | 0.1892705892 m³ |
| 100 gal | 0.3785411784 m³ |
| 1000 gal | 3.785411784 m³ |
gal to m³ chart from 1 to 100
- 1 gal 0.00378541 m³
- 2 gal 0.00757082 m³
- 3 gal 0.0113562 m³
- 4 gal 0.0151416 m³
- 5 gal 0.0189271 m³
- 6 gal 0.0227125 m³
- 7 gal 0.0264979 m³
- 8 gal 0.0302833 m³
- 9 gal 0.0340687 m³
- 10 gal 0.0378541 m³
- 11 gal 0.0416395 m³
- 12 gal 0.0454249 m³
- 13 gal 0.0492104 m³
- 14 gal 0.0529958 m³
- 15 gal 0.0567812 m³
- 16 gal 0.0605666 m³
- 17 gal 0.064352 m³
- 18 gal 0.0681374 m³
- 19 gal 0.0719228 m³
- 20 gal 0.0757082 m³
- 25 gal 0.0946353 m³
- 30 gal 0.113562 m³
- 35 gal 0.132489 m³
- 40 gal 0.151416 m³
- 45 gal 0.170344 m³
- 50 gal 0.189271 m³
- 55 gal 0.208198 m³
- 60 gal 0.227125 m³
- 65 gal 0.246052 m³
- 70 gal 0.264979 m³
- 75 gal 0.283906 m³
- 80 gal 0.302833 m³
- 85 gal 0.32176 m³
- 90 gal 0.340687 m³
- 95 gal 0.359614 m³
- 100 gal 0.378541 m³
Cubic Meters to US Gallons conversion table
| Cubic Meters [m³] | US Gallons [gal] |
|---|---|
| 0.01 m³ | 2.6417205236 gal |
| 0.1 m³ | 26.4172052358 gal |
| 1 m³ | 264.1720523581 gal |
| 2 m³ | 528.3441047163 gal |
| 3 m³ | 792.5161570744 gal |
| 5 m³ | 1320.8602617907 gal |
| 10 m³ | 2641.7205235815 gal |
| 20 m³ | 5283.441047163 gal |
| 50 m³ | 13208.6026179074 gal |
| 100 m³ | 26417.2052358148 gal |
| 1000 m³ | 264172.0523581484 gal |
US Gallons vs Cubic Meters
| US Gallon | Cubic Meter | |
|---|---|---|
| Symbol | gal | m³ |
| Equals | 1 gal = 0.00378541 m³ | 1 m³ = 264.172 gal |
What is a US gallon?
A US customary unit equal to 4 quarts. Used in the US for fuel, milk, and paint.
What is a cubic meter?
The SI derived unit of volume, equal to 1,000 liters. Used for large volumes such as water usage, shipping containers, and concrete.
Frequently asked questions
How many cubic meters are in a US gallon?
There are 0.00378541 cubic meters in 1 US gallon (1 gal = 0.0037854118 m³).
How many US gallons are in a cubic meter?
There are 264.172 US gallons in 1 cubic meter (1 m³ = 264.1720523581 gal).
How do I convert US gallons to cubic meters?
Multiply the number of US gallons by 0.00378541. For example, 10 gal × 0.00378541 = 0.0378541 m³. To convert back, multiply by 264.172.
What is 10 gal in cubic meters?
10 gal = 0.0378541 m³.
What is 100 gal in cubic meters?
100 gal = 0.378541 m³.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units)). Results are shown to up to 10 decimal places; round them to suit your purpose.
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