Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 gal(UK) | 4.54609e-06 m³ | |
| 0.01 gal(UK) | 4.54609e-05 m³ | |
| 0.1 gal(UK) | 0.000454609 m³ | |
| 1 gal(UK) | 0.00454609 m³ | |
| 5 gal(UK) | 0.0227304 m³ | |
| 10 gal(UK) | 0.0454609 m³ | |
| 50 gal(UK) | 0.227304 m³ | |
| 100 gal(UK) | 0.454609 m³ | |
| 1000 gal(UK) | 4.54609 m³ |
Common uk gallon values converted to cubic meter — factor: 1 gal(UK) = 0.004546 m³
| UK Gallon (gal(UK)) | Cubic Meter (m³) | Context |
|---|---|---|
| 0.0065 gal(UK) | 2.955e-05 m³ | Tablespoon |
| 0.025 gal(UK) | 0.0001137 m³ | Quarter cup |
| 0.05 gal(UK) | 0.0002273 m³ | Cup |
| 0.125 gal(UK) | 0.0005683 m³ | UK pint |
| 0.25 gal(UK) | 0.001137 m³ | UK quart |
| 0.5 gal(UK) | 0.002273 m³ | Half UK gallon |
| 1 gal(UK) | 0.004546 m³ | UK gallon |
| 2 gal(UK) | 0.009092 m³ | Two UK gallons |
| 5 gal(UK) | 0.02273 m³ | Jerrycan |
| 10 gal(UK) | 0.04546 m³ | 10-gallon drum |
| 20 gal(UK) | 0.09092 m³ | 20-gallon tank |
| 35 gal(UK) | 0.1591 m³ | UK oil barrel |
| 55 gal(UK) | 0.25 m³ | Drum barrel |
| 100 gal(UK) | 0.4546 m³ | Large drum |
| 1,000 gal(UK) | 4.546 m³ | Tank |
Converting uk gallon to cubic meter comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using cubic meter, or a laboratory protocol may specify volumes in uk gallon that need to be measured with equipment calibrated in cubic meter.
In everyday use, knowing that 5 gal(UK) = 0.02273 m³ and 10 gal(UK) = 0.04546 m³ covers most common situations. For bulk calculations, 100 gal(UK) = 0.4546 m³ is a useful anchor. The reverse conversion — cubic meter back to uk gallon — uses the factor 220, so 1 m³ = 220 gal(UK).
All conversions use the internationally recognized factor of exactly 1 gal(UK) = 0.004546 m³. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Cubic Meter = UK Gallon × 0.00454609
Multiply any uk gallon value by 0.00454609 to get cubic meter. One uk gallon equals 0.00454609 m³.
Reverse: UK Gallon = Cubic Meter × 219.96925
1 gal(UK) = 0.00454609 m³. Memorize this for instant mental estimates.
Use 0.0045 as a quick mental factor. Multiply your UK gallons value by this to estimate cubic meters.
To verify: multiply your result by 219.96925 to recover the original gal(UK) value.
Calculates fuel economy in miles per Imperial gallon, the standard UK efficiency metric.
Orders bulk beer kegs rated in Imperial gallons and reconciles against pint servings.
Applies pesticides at rates specified in Imperial gallons per acre in legacy manuals.
Calculates boat fuel range using Imperial gallons for UK coastal navigation.
Converts UK heating oil deliveries between Imperial gallons and liters for EU reports.
References older British Pharmacopoeia formulations using Imperial gallon quantities.
The Imperial gallon was defined by the British Weights and Measures Act of 1824 as the volume of ten pounds of water at 62°F, later fixed to exactly 4.54609 liters in 1985.
UK gallons are still used in Britain for fuel pricing. Road signs show consumption in miles per Imperial gallon, making UK cars appear more fuel-efficient than identical US models.
Interesting fact: 1 Imperial gallon = 1.20095 US gallons. Confusing the two has caused real-world errors in cross-border fuel cost calculations.
The cubic meter is the SI derived unit of volume, formally defined in 1960 at the 11th General Conference on Weights and Measures. It equals 1,000 liters or 1,000,000 milliliters.
Cubic meters are standard for large-scale volumes: natural gas is sold in m³, swimming pools are measured in m³, and bulk shipping containers are rated by cubic meter capacity.
Interesting fact: One cubic meter of water at 4°C weighs exactly 1,000 kg. The Pacific Ocean contains roughly 7.1 × 10²⁰ cubic meters of water.