Volume conversion
1 us gallon (US gal) equals 0.832674184629 imperial gallon (imp gal). Enter any value below to convert from US gal to imp gal.
Enter a value and choose units. Results update instantly.
1 US gal = 0.8326741846 imp gal
| Unit | Value |
|---|---|
| Cubic meter m³ | 0.0037854118 |
| Liter L | 3.785411784 |
| Milliliter mL | 3,785.411784 |
| Cubic centimeter cm³ | 3,785.411784 |
| Cubic inch in³ | 231 |
| Cubic foot ft³ | 0.1336805556 |
| US gallon US gal | 1 |
| Imperial gallon imp gal | 0.8326741846 |
| US quart US qt | 4 |
| US customary cup US cup | 16 |
| US fluid ounce US fl oz | 128 |
Formula
Use this relationship for a direct conversion:
2 US gal = 1.6653483693 imp gal.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Quick reference
| US gallon (US gal) | Imperial gallon (imp gal) |
|---|---|
| 0.01 | 0.0083267418 |
| 0.1 | 0.0832674185 |
| 1 | 0.8326741846 |
| 2 | 1.6653483693 |
| 5 | 4.1633709231 |
| 10 | 8.3267418463 |
| 25 | 20.8168546157 |
| 50 | 41.6337092314 |
| 100 | 83.2674184629 |
| 1,000 | 832.674184629 |
From unit
Exactly 231 cubic inches.
Symbol: US gal
To unit
Exactly 4.54609 liters.
Symbol: imp gal
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 imp gal = US gal x 0.832674184629. 1 us gallon (US gal) equals 0.832674184629 imperial gallon (imp gal).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.
