Cubic meters to US gallons
Type a value in cubic meters to see it in US gallons straight away, or type in the second box to convert back.
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How to use it
- Type the value in the cubic meters box.
- Read the result in US gallons as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
gal (US) = m³ × 264.1720524
Multiply the value in cubic meters by 264.1720524 to get US gallons.
Example
To convert 25 m³ to US gallons: 25 × 264.1720524 = 6,604.3 gal (US).
Conversion table
| Cubic meters (m³) | US gallons (gal (US)) |
|---|---|
| 1 | 264.172 |
| 2 | 528.344 |
| 3 | 792.516 |
| 5 | 1,320.86 |
| 10 | 2,641.72 |
| 20 | 5,283.44 |
| 25 | 6,604.3 |
| 50 | 13,208.6 |
| 100 | 26,417.2 |
| 250 | 66,043 |
| 500 | 132,086 |
| 1,000 | 264,172 |
About the units
- Cubic meter
- The cubic meter is the SI unit of volume, a cube one meter on each side, equal to exactly 1000 liters.
- US gallon
- The US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many US gallons are in one cubic meter?
1 m³ = 264.172 gal (US) exactly.
How do I convert cubic meters to US gallons?
Use gal (US) = m³ × 264.1720524. For example, 25 m³ = 6,604.3 gal (US).
How many cubic meters are in one US gallon?
1 gal (US) = 0.00378541 m³.
What is the difference between a US gallon and an imperial gallon?
A US gallon is 3.785411784 liters and the imperial gallon used in the UK is 4.54609 liters, about 20% larger. Check where a figure comes from before converting, since US sources mean the US gallon.
How many milliliters are in a cup?
The US customary cup used in recipes is 236.5882365 mL and the metric cup is 250 mL. US nutrition labels round the cup to 240 mL, so the figure differs slightly between sources.