Gallons (UK) to Cubic Meters converter
Convert gallons (uk) (gal (UK)) to cubic meters (m³) — results update instantly as you type.
Gallons (UK) to Cubic Meters
1 gal (UK) = 0.00454609 m³
How to convert Gallons (UK) to Cubic Meters
Volume conversions appear constantly in cooking, fuel, and science. The metric system uses milliliters and liters, while the US uses cups, pints, quarts, and gallons — and the UK gallon is a different size entirely.
All units convert through the liter. One US gallon is exactly 3.785411784 liters, while a UK (imperial) gallon is 4.54609 liters — about 20% larger. One cubic meter equals exactly 1,000 liters.
Formula
gal (UK) × 0.00454609 = m³
Multiply your gallons (uk) value by 0.00454609 to get cubic meters. For the reverse, divide by the same factor.
Gallons (UK) to Cubic Meters conversion table
| Gallons (UK) | Cubic Meters |
|---|---|
| 1 gal (UK) | 0.004546 m³ |
| 2 gal (UK) | 0.009092 m³ |
| 5 gal (UK) | 0.02273 m³ |
| 10 gal (UK) | 0.045461 m³ |
| 25 gal (UK) | 0.113652 m³ |
| 100 gal (UK) | 0.454609 m³ |
Common use cases
- Recipes between cups, milliliters, and fluid ounces
- Fuel and liquid purchases between gallons and liters
- Water tanks and pools in cubic meters
- Beverage servings in pints vs half-liters
Frequently asked questions
One US gallon equals exactly 3.785411784 liters. A UK imperial gallon is larger at 4.54609 liters.