Convert Cubic Meters to Imperial Gallons
1 cubic meter (m³) equals 219.9692483 imperial gallons (gal (imp)).
1 m³ = 219.9692483 gal (imp)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk cubic meter to imperial gallon converter to paste a column from Excel.
How to Convert Cubic Meter to Imperial Gallon
- 1 m³ = 219.9692483 gal (imp)
- 1 gal (imp) = 0.00454609 m³
- Example: convert 15 m³ to gal (imp): 15 m³ = 15 × 219.9692483 gal (imp) = 3299.538724 gal (imp)
Formula
gal (imp) = m³ × 219.9692482991
Derivation from SI units:
- 1 m³ = 1 m × 1 m × 1 m
- 1 imp gal = 4.54609 L = 0.00454609 m³ (exact, by definition)
Both units are defined exactly, so the factor is exact. Cubic Meter definition: cubic meter; Imperial Gallon definition: imperial gallon.
Worked examples
- A reading of 1 m³ converts to 219.9692483 gal (imp).
1 m³ × 219.9692483 = 219.9692483 gal (imp) - A value of 50 m³ is 10998.46241 gal (imp).
50 m³ × 219.9692483 = 10998.46241 gal (imp)
Cubic Meter to Imperial Gallon conversion table
| Cubic Meters (m³) | Imperial Gallons (gal (imp)) |
|---|---|
| 0.001 m³ | 0.2199692483 gal (imp) |
| 0.01 m³ | 2.199692483 gal (imp) |
| 0.05 m³ | 10.99846241 gal (imp) |
| 0.1 m³ | 21.99692483 gal (imp) |
| 0.25 m³ | 54.99231207 gal (imp) |
| 0.5 m³ | 109.9846241 gal (imp) |
| 1 m³ | 219.9692483 gal (imp) |
| 2 m³ | 439.9384966 gal (imp) |
| 5 m³ | 1099.846241 gal (imp) |
| 10 m³ | 2199.692483 gal (imp) |
| 20 m³ | 4399.384966 gal (imp) |
| 25 m³ | 5499.231207 gal (imp) |
| 33 m³ | 7258.985194 gal (imp) |
| 50 m³ | 10998.46241 gal (imp) |
| 67 m³ | 14737.93964 gal (imp) |
| 100 m³ | 21996.92483 gal (imp) |
| 200 m³ | 43993.84966 gal (imp) |
| 500 m³ | 109984.6241 gal (imp) |
| 1000 m³ | 219969.2483 gal (imp) |
| 10000 m³ | 2199692.483 gal (imp) |
Where it's used
Cubic Meters are used for water and gas metering, while imperial gallons appear in fuel economy in the UK (miles per gallon). Both measure volume (capacity), so the conversion is a fixed factor.
Cubic Meter to other volume units
| Conversion | 1 m³ equals |
|---|---|
| cubic meter to liter | 1000 L |
| cubic meter to milliliter | 1000000 mL |
| cubic meter to cubic centimeter | 1000000 cm³ |
| cubic meter to cubic foot | 35.31466672 ft³ |
| cubic meter to cubic inch | 61023.74409 in³ |
| cubic meter to US gallon | 264.1720524 gal (US) |
| cubic meter to imperial gallon | 219.9692483 gal (imp) |
Frequently asked questions
How many imperial gallons are in 1 cubic meter?
1 m³ = 219.9692483 gal (imp).
How do I convert cubic meters to imperial gallons?
Multiply the value in m³ by 219.9692483. For example, 15 m³ × 219.9692483 = 3299.538724 gal (imp).
Is the m³ to gal (imp) conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 2, coherent derived units.
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "gallon [Canadian and U.K. (Imperial)]".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Cubic Meters to Imperial Gallons. Retrieved October 17, 2026, from https://scientificconverters.com/volume/cubic-meters-to-imperial-gallons/
IEEE
Scientific Converters, "Convert Cubic Meters to Imperial Gallons," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/volume/cubic-meters-to-imperial-gallons/