Volume conversion
1 imperial gallon (imp gal) equals 277.419432791621 cubic inch (in³). Enter any value below to convert from imp gal to in³.
Enter a value and choose units. Results update instantly.
1 imp gal = 277.4194327916 in³
| Unit | Value |
|---|---|
| Cubic meter m³ | 0.00454609 |
| Liter L | 4.54609 |
| Milliliter mL | 4,546.09 |
| Cubic centimeter cm³ | 4,546.09 |
| Cubic inch in³ | 277.4194327916 |
| Cubic foot ft³ | 0.1605436532 |
| US gallon US gal | 1.2009499255 |
| Imperial gallon imp gal | 1 |
| US quart US qt | 4.803799702 |
| US customary cup US cup | 19.2151988081 |
| US fluid ounce US fl oz | 153.7215904646 |
Formula
Use this relationship for a direct conversion:
2 imp gal = 554.8388655832 in³.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Quick reference
| Imperial gallon (imp gal) | Cubic inch (in³) |
|---|---|
| 0.01 | 2.7741943279 |
| 0.1 | 27.7419432792 |
| 1 | 277.4194327916 |
| 2 | 554.8388655832 |
| 5 | 1,387.0971639581 |
| 10 | 2,774.1943279162 |
| 25 | 6,935.4858197905 |
| 50 | 13,870.9716395811 |
| 100 | 27,741.9432791621 |
| 1,000 | 277,419.4327916215 |
From unit
Exactly 4.54609 liters.
Symbol: imp gal
To unit
The volume of a one-inch cube.
Symbol: in³
Keep converting
Source
Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.
View the complete volume converterQuestions
Use the formula in³ = imp gal x 277.419432791621. 1 imperial gallon (imp gal) equals 277.419432791621 cubic inch (in³).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.
