Volume
gal (UK)toin³
Convert imperial gallons (gal (UK)) to cubic inches (in³).
Factor1 gal (UK) = 277.4194 in³
Converter
gal (UK)
Accepts numbers or expressions, e.g. 150 + 14.7
Result
in³
Rendered to 6 significant figures.
Formula
Formula
in³ = gal (UK) × 277.4194
Multiply any value in imperial gallons by 277.4194 to obtain the value in cubic inches.
Worked example
Convert 1 gal (UK) to in³.
- 01Start with 1 gal (UK).
- 02Multiply by the conversion factor: 1 × 277.4194 = 277.419 in³.
Result1 gal (UK) = 277.419 in³
Conversion table
| gal (UK) | in³ |
|---|---|
| 1 | 277.42 |
| 2 | 554.84 |
| 5 | 1387.1 |
| 10 | 2774.2 |
| 20 | 5548.4 |
| 50 | 13871 |
| 100 | 27742 |
| 200 | 55484 |
| 500 | 1.3871e+5 |
| 1000 | 2.7742e+5 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from gal (UK) to in³?
1 gal (UK) equals 277.4194 in³. To convert, multiply the value in imperial gallons by 277.4194.
How do I convert 1 gal (UK) to in³?
1 gal (UK) = 277.419 in³. For any value, multiply by 277.4194.
How do I convert in³ back to gal (UK)?
Divide by the same factor — or equivalently, multiply by 0.00360465. So 1 in³ = 0.00360465 gal (UK).
When would I need to convert imperial gallon to cubic inch?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).