US gallons to Cubic metres
Type a value in US gallons and get the result in Cubic metres, calculated exactly.
10 US gallons = 0.03785411784 Cubic metres
Precision
Exact factorThis result is exact.
Slide rule
Drag to scrub · arrow keys step · Shift × 10Paper tape
ConvertThemAll
- Your conversions print here.
0 lines · kept on this device only
Formula
m³ = gal (US) × 0.003785411784
To convert US gallons to Cubic metres, multiply the value by 0.003785411784.
Worked examples
- 1 gal (US) × 0.003785411784 = 0.003785411784 m³
- 10 gal (US) × 0.003785411784 = 0.03785411784 m³
- 100 gal (US) × 0.003785411784 = 0.3785411784 m³
This factor is exact by definition.
Conversion table
| US gallons (gal (US)) | Cubic metres (m³) |
|---|---|
| 1 | 0.003785411784 |
| 2 | 0.007570823568 |
| 3 | 0.011356235352 |
| 4 | 0.015141647136 |
| 5 | 0.01892705892 |
| 6 | 0.022712470704 |
| 7 | 0.026497882488 |
| 8 | 0.030283294272 |
| 9 | 0.034068706056 |
| 10 | 0.03785411784 |
| 15 | 0.05678117676 |
| 20 | 0.07570823568 |
| 25 | 0.0946352946 |
| 30 | 0.11356235352 |
| 40 | 0.15141647136 |
| 50 | 0.1892705892 |
| 60 | 0.22712470704 |
| 70 | 0.26497882488 |
| 75 | 0.2839058838 |
| 80 | 0.30283294272 |
| 90 | 0.34068706056 |
| 100 | 0.3785411784 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Cubic metres to US gallons
| Cubic metres (m³) | US gallons (gal (US)) |
|---|---|
| 1 | ≈ 264.1721 |
| 2 | ≈ 528.3441 |
| 3 | ≈ 792.5162 |
| 4 | ≈ 1,056.688 |
| 5 | ≈ 1,320.86 |
| 6 | ≈ 1,585.032 |
| 7 | ≈ 1,849.204 |
| 8 | ≈ 2,113.376 |
| 9 | ≈ 2,377.548 |
| 10 | ≈ 2,641.721 |
| 15 | ≈ 3,962.581 |
| 20 | ≈ 5,283.441 |
| 25 | ≈ 6,604.301 |
| 30 | ≈ 7,925.162 |
| 40 | ≈ 10,566.88 |
| 50 | ≈ 13,208.6 |
| 60 | ≈ 15,850.32 |
| 70 | ≈ 18,492.04 |
| 75 | ≈ 19,812.9 |
| 80 | ≈ 21,133.76 |
| 90 | ≈ 23,775.48 |
| 100 | ≈ 26,417.21 |
Unit definitions
- US gallons gal (US)
- Exactly 231 cubic inches, or 3.785411784 litres.
- Cubic metres m³
- The SI unit of volume: a cube one metre on each side, 1000 litres.
Questions people ask
US gallons to Cubic metres: what is the conversion factor?
One gal (US) is 0.003785411784 m³.
How do I convert US gallons to Cubic metres?
Use the formula above. For example, 10 gal (US) = 0.03785411784 m³.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.