Convert Imperial Gallon to Cubic Meter
Use this free converter to change imperial gallons (imp gal) into cubic meters (m³). Imperial gallon and cubic meter both measure volume. As a quick reference, 1 imp gal equals 0.00454609 m³, and 1 m³ equals 219.96925 imp gal.
Free · runs in your browser · no sign-up
Cubic Meter (m³)
0.00454609
1 imp gal = 0.00454609 m³
Volume conversion table
| Imperial Gallon | Cubic Meter |
|---|---|
| 0.01 | 0.0000454609 |
| 0.1 | 0.000454609 |
| 0.5 | 0.002273045 |
| 1 | 0.00454609 |
| 2 | 0.00909218 |
| 3 | 0.01363827 |
| 5 | 0.02273045 |
| 10 | 0.0454609 |
| 20 | 0.0909218 |
| 25 | 0.11365225 |
| 50 | 0.2273045 |
| 100 | 0.454609 |
| 1,000 | 4.54609 |
How to convert Imperial Gallon to Cubic Meter
Multiply the imperial gallon value by 0.00454609 to get cubic meters.
- Enter the number of imperial gallons you want to convert.
- The converter instantly shows the equivalent value in cubic meters.
- Worked example: 15 imp gal × 0.00454609 = 0.06819135 m³.
- Use the swap button to reverse the conversion (cubic meter to imperial gallon).
About these units
Imperial Gallon (imp gal)
- Definition
- An imperial gallon (imp gal) equals about 4.546 liters, roughly 20% larger than the US gallon.
- History
- It was defined in the UK in 1824 as the volume of ten pounds of water at a set temperature.
- Current use
- Imperial gallons are still used in the UK and some Commonwealth countries, often for fuel economy.
Cubic Meter (m³)
- Definition
- A cubic meter (m³) is the SI unit of volume — the space occupied by a cube one meter on each side, equal to 1,000 liters.
- History
- It is the derived SI volume unit built directly from the meter.
- Current use
- Cubic meters measure water usage, natural gas, shipping volume, and concrete.
Frequently asked questions
How many cubic meters are in a imperial gallon?
There are 0.00454609 m³ in 1 imp gal. To convert, multiply the number of imperial gallons by 0.00454609.
How do I convert imperial gallons to cubic meters?
Multiply the imperial gallon value by 0.00454609 to get cubic meters. For example, 10 imp gal = 0.0454609 m³.
Is this imperial gallon-to-cubic meter converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Imperial Gallon to other volume units
| Unit | 1 Imperial Gallon equals |
|---|---|
| Liter (L) | 4.54609 L |
| Milliliter (mL) | 4546.09 mL |
| Cubic Meter (m³) | 0.00454609 m³ |
| Cubic Centimeter (cm³) | 4546.09 cm³ |
| US Gallon (gal) | 1.2009499 gal |
| US Quart (qt) | 4.8037997 qt |
| US Pint (pt) | 9.6075994 pt |
| US Cup (cup) | 19.215199 cup |
| US Fluid Ounce (fl oz) | 153.72159 fl oz |
| Tablespoon (tbsp) | 307.44318 tbsp |
| Teaspoon (tsp) | 922.32954 tsp |