Imperial Gallons to Cubic Inches
Convert imperial gallons (imp gal) to cubic inches (in³). Type in either box; the other updates as you go.
How to convert imperial gallons to cubic inches
To convert imperial gallons to cubic inches, multiply the number of imperial gallons by 277.4194328.
Example
Convert 5 imperial gallons to cubic inches:
Imperial Gallon to cubic inch conversion chart
| Imperial Gallons (imp gal) | Cubic Inches (in³) |
|---|---|
| 1 imp gal | 277.4194 in³ |
| 2 imp gal | 554.8389 in³ |
| 3 imp gal | 832.2583 in³ |
| 4 imp gal | 1,109.678 in³ |
| 5 imp gal | 1,387.097 in³ |
| 6 imp gal | 1,664.517 in³ |
| 7 imp gal | 1,941.936 in³ |
| 8 imp gal | 2,219.355 in³ |
| 9 imp gal | 2,496.775 in³ |
| 10 imp gal | 2,774.194 in³ |
| 12 imp gal | 3,329.033 in³ |
| 15 imp gal | 4,161.291 in³ |
| 20 imp gal | 5,548.389 in³ |
| 25 imp gal | 6,935.486 in³ |
| 30 imp gal | 8,322.583 in³ |
| 40 imp gal | 11,096.78 in³ |
| 50 imp gal | 13,870.97 in³ |
| 60 imp gal | 16,645.17 in³ |
| 70 imp gal | 19,419.36 in³ |
| 75 imp gal | 20,806.46 in³ |
| 80 imp gal | 22,193.55 in³ |
| 90 imp gal | 24,967.75 in³ |
| 100 imp gal | 27,741.94 in³ |
| 150 imp gal | 41,612.91 in³ |
| 200 imp gal | 55,483.89 in³ |
| 250 imp gal | 69,354.86 in³ |
| 500 imp gal | 138,709.7 in³ |
| 1,000 imp gal | 277,419.4 in³ |
Going the other way? See the cubic inches to imperial gallons chart.
About the units
Imperial Gallon (imp gal)
The imperial gallon is exactly 4.54609 liters, used in the UK and some Commonwealth countries. It is about 1.2 US gallons.
Cubic Inch (in³)
A cubic inch is the volume of a cube one inch on each side, about 16.39 milliliters. US engine sizes were long given in cubic inches.
Frequently asked questions
How many cubic inches are in an imperial gallon?
There are 277.4194328 cubic inches in an imperial gallon.
How many imperial gallons are in a cubic inch?
There are 0.00360465015 imperial gallons in a cubic inch.
How do you convert imperial gallons to cubic inches?
To convert imperial gallons to cubic inches, multiply the number of imperial gallons by 277.4194328.
What is 5 imperial gallons in cubic inches?
5 imperial gallons equals 1,387.1 cubic inches.
Convert between liters, gallons, cups, fluid ounces, tablespoons and cubic units. Open the volume converter to see a value in every unit at once.