Volume
gal (UK)tom³
Convert imperial gallons (gal (UK)) to cubic metres (m³).
Factor1 gal (UK) = 0.00454609 m³
Converter
gal (UK)
Accepts numbers or expressions, e.g. 150 + 14.7
Result
m³
Rendered to 6 significant figures.
Formula
Formula
m³ = gal (UK) × 0.00454609
Multiply any value in imperial gallons by 0.00454609 to obtain the value in cubic metres.
Worked example
Convert 1000 gal (UK) to m³.
- 01Start with 1000 gal (UK).
- 02Multiply by the conversion factor: 1000 × 0.00454609 = 4.54609 m³.
Result1000 gal (UK) = 4.54609 m³
Conversion table
| gal (UK) | m³ |
|---|---|
| 1 | 0.0045461 |
| 2 | 0.0090922 |
| 5 | 0.02273 |
| 10 | 0.045461 |
| 20 | 0.090922 |
| 50 | 0.2273 |
| 100 | 0.45461 |
| 200 | 0.90922 |
| 500 | 2.273 |
| 1000 | 4.5461 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from gal (UK) to m³?
1 gal (UK) equals 0.00454609 m³. To convert, multiply the value in imperial gallons by 0.00454609.
How do I convert 1 gal (UK) to m³?
1 gal (UK) = 0.00454609 m³. For any value, multiply by 0.00454609.
How do I convert m³ back to gal (UK)?
Divide by the same factor — or equivalently, multiply by 219.9692. So 1 m³ = 219.969 gal (UK).
When would I need to convert imperial gallon to cubic metre?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).