Gallon (US) to Cubic MeterConverter
Instantly convert Gallon (US) (gal) to Cubic Meter (m³). Free, accurate, and easy to use.
How to Convert Gallon (US) to Cubic Meter
To convert Gallon (US) (gal) to Cubic Meter (m³), multiply your value by 0.00378541.
Example: 5 gal × 0.00378541 = 0.01892705 m³
What is a Gallon (US)?
The US liquid gallon equals 128 fluid ounces, 8 pints, or approximately 3.785 liters. It is the standard unit for fuel, water, and large liquid volumes in the United States. The UK imperial gallon is larger at approximately 4.546 liters — about 20% more. The gallon difference is a common source of confusion for international recipes and fuel economy figures.
What is a Cubic Meter?
The cubic meter is the SI unit of volume, equal to a cube with sides of 1 meter, or exactly 1,000 liters. It is used for measuring large quantities such as natural gas consumption, swimming pool capacity, and shipping container volumes. One cubic meter equals approximately 264.2 US gallons or 35.3 cubic feet. Household natural gas is billed in cubic meters in most countries.
Gallon (US) to Cubic Meter Conversion Table
| Gallon (US) (gal) | Cubic Meter (m³) |
|---|---|
| 0.001 gal | 0.00000379 m³ |
| 0.01 gal | 0.00003785 m³ |
| 0.1 gal | 0.00037854 m³ |
| 0.5 gal | 0.00189271 m³ |
| 1 gal | 0.00378541 m³ |
| 2 gal | 0.00757082 m³ |
| 5 gal | 0.01892705 m³ |
| 10 gal | 0.0378541 m³ |
| 20 gal | 0.0757082 m³ |
| 50 gal | 0.1892705 m³ |
| 100 gal | 0.378541 m³ |
| 200 gal | 0.757082 m³ |
| 500 gal | 1.892705 m³ |
| 1000 gal | 3.78541 m³ |
| 5000 gal | 18.92705 m³ |
| 10000 gal | 37.8541 m³ |
| 50000 gal | 189.2705 m³ |
| 100000 gal | 378.541 m³ |
| 1000000 gal | 3785.41 m³ |
| 1000000000 gal | 3785410 m³ |
Frequently Asked Questions
How do I convert Gallon (US) to Cubic Meter?
Multiply the Gallon (US) value by 0.00378541. Formula: m³ = gal × 0.00378541. Example: 10 gal = 0.0378541 m³.
How many Cubic Meter are in one Gallon (US)?
One Gallon (US) (gal) equals 0.00378541 Cubic Meter (m³).
How many Gallon (US) are in one Cubic Meter?
One Cubic Meter (m³) equals 264.17217686 Gallon (US) (gal).
What is the exact conversion factor from Gallon (US) to Cubic Meter?
The conversion factor is 0.00378541. Multiply any gal value by this number to get m³. For the reverse, multiply by 264.17217686.
How do I convert Cubic Meter back to Gallon (US)?
Divide by 0.00378541, or equivalently multiply by 264.17217686. Formula: gal = m³ ÷ 0.00378541.
Is the Gallon (US)-to-Cubic Meter conversion internationally standardized?
Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 0.00378541 is exact and universally agreed upon.