Convert US Gallon to Cubic Meter
Use this free converter to change us gallons (gal) into cubic meters (m³). Us gallon and cubic meter both measure volume. As a quick reference, 1 gal equals 0.0037854118 m³, and 1 m³ equals 264.17205 gal.
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Cubic Meter (m³)
0.0037854118
1 gal = 0.0037854118 m³
Volume conversion table
| US Gallon | Cubic Meter |
|---|---|
| 0.01 | 0.000037854118 |
| 0.1 | 0.00037854118 |
| 0.5 | 0.0018927059 |
| 1 | 0.0037854118 |
| 2 | 0.0075708236 |
| 3 | 0.011356235 |
| 5 | 0.018927059 |
| 10 | 0.037854118 |
| 20 | 0.075708236 |
| 25 | 0.094635295 |
| 50 | 0.18927059 |
| 100 | 0.37854118 |
| 1,000 | 3.7854118 |
How to convert US Gallon to Cubic Meter
Multiply the us gallon value by 0.0037854118 to get cubic meters.
- Enter the number of us gallons you want to convert.
- The converter instantly shows the equivalent value in cubic meters.
- Worked example: 15 gal × 0.0037854118 = 0.056781177 m³.
- Use the swap button to reverse the conversion (cubic meter to us gallon).
About these units
US Gallon (gal)
- Definition
- A US gallon (gal) is a unit of volume equal to 3.785411784 liters, or 128 US fluid ounces.
- History
- It is based on the old English wine gallon of 231 cubic inches, adopted by the United States.
- Current use
- US gallons measure fuel, milk, and paint in the United States.
Cubic Meter (m³)
- Definition
- A cubic meter (m³) is the SI unit of volume — the space occupied by a cube one meter on each side, equal to 1,000 liters.
- History
- It is the derived SI volume unit built directly from the meter.
- Current use
- Cubic meters measure water usage, natural gas, shipping volume, and concrete.
Frequently asked questions
How many cubic meters are in a us gallon?
There are 0.0037854118 m³ in 1 gal. To convert, multiply the number of us gallons by 0.0037854118.
How do I convert us gallons to cubic meters?
Multiply the us gallon value by 0.0037854118 to get cubic meters. For example, 10 gal = 0.037854118 m³.
Is this us gallon-to-cubic meter converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert US Gallon to other volume units
| Unit | 1 US Gallon equals |
|---|---|
| Liter (L) | 3.7854118 L |
| Milliliter (mL) | 3785.4118 mL |
| Cubic Meter (m³) | 0.0037854118 m³ |
| Cubic Centimeter (cm³) | 3785.4118 cm³ |
| Imperial Gallon (imp gal) | 0.83267418 imp gal |
| US Quart (qt) | 4 qt |
| US Pint (pt) | 8 pt |
| US Cup (cup) | 16 cup |
| US Fluid Ounce (fl oz) | 128 fl oz |
| Tablespoon (tbsp) | 256 tbsp |
| Teaspoon (tsp) | 768 tsp |