VOLUME CONVERSION
Imperial gallon to Cubic meter.
Convert imperial gallon (gal (UK)) to cubic meter (m³), with the math explained.
1 gal (UK) = 0.00454609 m³
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert imperial gallon to cubic meter
Multiply your imperial gallon value by 0.00454609 to get the equivalent in cubic meter. Both units are normalized through the liter.
m³ = gal (UK) × 0.0045460910 gal (UK) = 0.0454609 m³
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
gal (UK) to m³ conversion table
| Imperial gallon (gal (UK)) | Cubic meter (m³) |
|---|---|
| 1 gal (UK) | 0.00454609 m³ |
| 2 gal (UK) | 0.00909218 m³ |
| 5 gal (UK) | 0.02273045 m³ |
| 10 gal (UK) | 0.0454609 m³ |
| 20 gal (UK) | 0.0909218 m³ |
| 50 gal (UK) | 0.2273045 m³ |
| 100 gal (UK) | 0.454609 m³ |
| 500 gal (UK) | 2.273045 m³ |
| 1,000 gal (UK) | 4.54609 m³ |
About the imperial gallon
The imperial gallon (gal (UK)) is a unit of volume. One imperial gallon equals 4.54609 liter (base unit) in this calculator.
All imperial gallon conversionsAbout the cubic meter
The cubic meter (m³) is a unit of volume. One cubic meter equals 1,000 liter (base unit) in this calculator.
All cubic meter conversionsCommon questions
What is 1 gal (UK) in m³?
One imperial gallon equals 0.00454609 m³. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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