Convert Imperial Gallon to Cubic Inch
Enter the number of imperial gallons that you want to convert to cubic inches.
How to Convert Imperial Gallons to Cubic Inches
The imperial gallon and cubic inch are both units of volume. 1 imperial gallon equals 277.41943279 cubic inches. This means to convert imperial gallons to cubic inches, you multiply by 277.41943279.
Formula
Step-by-Step Example
Convert 5 gal (UK) to cubic inches:
We need to convert imperial gallons to cubic inches
Since 1 gal (UK) = 277.41943279 in³, multiply by 277.41943279
5 × 277.41943279 = 1387.097164
5 gal (UK) = 1387.097164 in³
Imperial Gallon to Cubic Inch Conversion Table
Quick reference table for common imperial gallon to cubic inch conversions. Click any value for detailed calculation.
| Imperial Gallons (gal (UK)) | Cubic Inches (in³) |
|---|---|
| 0.1 gal (UK) | 27.741943279 in³ |
| 0.5 gal (UK) | 138.7097164 in³ |
| 1 gal (UK) | 277.41943279 in³ |
| 2 gal (UK) | 554.83886558 in³ |
| 5 gal (UK) | 1387.097164 in³ |
| 10 gal (UK) | 2774.1943279 in³ |
| 25 gal (UK) | 6935.4858198 in³ |
| 50 gal (UK) | 13870.97164 in³ |
| 100 gal (UK) | 27741.943279 in³ |
About These Units
Imperial Gallon (gal (UK))
An Imperial gallon (UK gallon) equals 4.546 liters or 1.2 US gallons. Imperial gallons are used in the United Kingdom and some Commonwealth countries for fuel and liquid measurements. One Imperial gallon of water weighs 10 pounds exactly.
Cubic Inch (in³)
A cubic inch (in³) equals 16.387 milliliters or 0.554 fluid ounces. Cubic inches measure engine displacement (e.g., 350 cubic inch V8), small containers, and 3D printing volumes. There are 1,728 cubic inches in a cubic foot.
Frequently Asked Questions
How do I convert imperial gallons to cubic inches?
To convert imperial gallons to cubic inches, multiply the value by 277.41943279. For example, 10 gal (UK) = 2774.1943279 in³.
How many cubic inches are in 1 imperial gallon?
1 imperial gallon equals 277.41943279 cubic inches.
What is the formula for imperial gallons to cubic inches?
The formula is: in³ = gal (UK) × 277.41943279.