Gallon (UK) to Cubic Meter Converter
Convert Gallon (UK) (gal (UK)) to Cubic Meter (m³) instantly. 1 gal (UK) = 0.004546 m³.
Volume Converter
40 units available
1 gal (UK) = 0.004546 m³
Formula:
m³ = gal (UK) × 0.00454609With your value: 1 gal (UK) = 0.00454609 m³
How big is that?
Everyday references on a logarithmic scale, all expressed in gallon (uk) so you can sanity-check the result.
Other Gallon (UK) to Cubic Meter conversions
Gallon (UK) to Cubic Meter Conversion Table
| Gallon (UK) (gal (UK)) | Cubic Meter (m³) |
|---|---|
| 0.5 | 0.002273 |
| 1 | 0.004546 |
| 2 | 0.009092 |
| 5 | 0.02273 |
| 10 | 0.045461 |
| 15 | 0.068191 |
| 20 | 0.090922 |
| 25 | 0.113652 |
| 50 | 0.227305 |
| 100 | 0.454609 |
| 250 | 1.136523 |
| 500 | 2.273045 |
| 1000 | 4.54609 |
Cubic Meter to Gallon (UK) Conversion Table
| Cubic Meter (m³) | Gallon (UK) (gal (UK)) |
|---|---|
| 0.5 | 109.984624 |
| 1 | 219.969248 |
| 2 | 439.938497 |
| 5 | 1,099.846241 |
| 10 | 2,199.692483 |
| 15 | 3,299.538724 |
| 20 | 4,399.384966 |
| 25 | 5,499.231207 |
| 50 | 10,998.462415 |
| 100 | 21,996.92483 |
| 250 | 54,992.312075 |
| 500 | 109,984.62415 |
| 1000 | 219,969.248299 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Gallon (UK) (gal (UK))
Volume
The imperial gallon is exactly 4.546 09 L (Weights and Measures Act 1985).
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Cubic Meter (m³)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Gallon (UK) to Cubic Meter
To convert from Gallon (UK) (gal (UK)) to Cubic Meter (m³), multiply the value by 0.00454609.
Formula: m³ = gal (UK) × 0.00454609
Reverse: gal (UK) = m³ × 219.9692482991
Step-by-Step Example
- Start with your value in Gallon (UK). For example: 5 gal (UK)
- Multiply by the conversion factor: 5 x 0.00454609
- The result is: 0.02273 m³
About Gallon (UK)
The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.
Common uses: UK fuel figures, brewing, older recipes.
About Cubic Meter
The cubic meter is the SI unit of volume, equal to 1,000 liters. It is used for large-volume measurements.
Common uses: construction, water usage, shipping.
Frequently Asked Questions
How many Cubic Meter are in 1 Gallon (UK)?
There are exactly 0.00454609 Cubic Meter in 1 Gallon (UK). This means the conversion factor from Gallon (UK) to Cubic Meter is 0.00454609.
What is the formula to convert Gallon (UK) to Cubic Meter?
The formula to convert Gallon (UK) to Cubic Meter is: m³ = gal (UK) × 0.00454609. For example, to convert 10 Gallon (UK) to Cubic Meter, you would multiply 10 by 0.00454609.
What is a Gallon (UK)?
The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.
What is a Cubic Meter?
The cubic meter is the SI unit of volume, equal to 1,000 liters. It is used for large-volume measurements.
What are the common uses of Gallon (UK)?
The Gallon (UK) is commonly used in UK fuel figures, brewing, older recipes.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). Gallon (UK) to Cubic Meter converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gallon_uk-to-cubic_meter