Conversion
Cubic Meters to US gallons
1 m³ = 264.172 US gal, derived from exact unit definitions.
—
Swap ⇆| m³ | US gal |
|---|---|
| 1 m³ | 264.2 US gal |
| 2 m³ | 528.3 US gal |
| 5 m³ | 1,320.9 US gal |
| 10 m³ | 2,641.7 US gal |
| 25 m³ | 6,604.3 US gal |
| 50 m³ | 13,208.6 US gal |
| 100 m³ | 26,417.2 US gal |
Formula
US gallons = cubic meters × 264.1720524FAQ
How many US gallons in a cubic meter?
1 m³ = 264.172 US gal. Multiply your cubic meters value by 264.172.
Is this exact?
Yes — these factors derive from exact definitions: 1 US gallon = 231 cubic inches, 1 imperial gallon = 4.54609 liters, 1 inch = 2.54 cm, 1 barrel = 42 US gallons.
Why do tank specs mix cubic meters and US gallons?
US tank trade uses gallons and inches; engineering drawings and international suppliers use metric or cubic measures. This page bridges them without rounding drift.