Cubic inches (in³) to UK gallons (imp gal) Conversion
Cubic inches
The cubic inch is a unit of volume in the US customary and imperial systems equal to exactly 16.387 mL (the cube of 2.54 cm). Engine displacement in the United States is traditionally expressed in cubic inches: a 350 cubic inch V8 engine. It is also used in packaging, woodworking, and small industrial parts specifications.
UK gallons
The UK imperial gallon is a unit of volume equal to exactly 4.54609 litres, defined by the UK Weights and Measures Act 1985. It is approximately 20% larger than the US liquid gallon. The imperial gallon is still used in the United Kingdom, Ireland, and several Commonwealth countries for fuel sales, and in aviation for fuel loading in older aircraft. Four imperial quarts, eight imperial pints, or 160 imperial fluid ounces make one imperial gallon.
| Cubic inches (in³) | UK gallons (imp gal) |
|---|---|
| 0.1 in³ | 0.00036 imp gal |
| 1 in³ | 0.0036 imp gal |
| 2 in³ | 0.00721 imp gal |
| 3 in³ | 0.0108 imp gal |
| 5 in³ | 0.018 imp gal |
| 10 in³ | 0.036 imp gal |
| 20 in³ | 0.0721 imp gal |
| 30 in³ | 0.1081 imp gal |
| 50 in³ | 0.1802 imp gal |
| 100 in³ | 0.3605 imp gal |
| 1000 in³ | 3.6047 imp gal |
Frequently Asked Questions (FAQ)
How many UK gallons are in 1 cubic inches?
1 cubic inches (in³) is exactly 0.003605 UK gallons (imp gal).
How do I convert cubic inches to UK gallons?
Multiply the value in cubic inches by 0.003605 to get the result in UK gallons. Or use the converter above — type any number and see the result instantly.