1 gal = 0.83267379220385 gal (UK)
1 US gallon (gal) = 0.83267379220385 Imperial gallon (gal (UK)).
If you want to reverse convert, use Imperial gallon → US gallon. 1 gal (UK) = 1.2009504914923 gal. You can also explore the full Volume converter page for more cross conversions.
Conversion formula
US gallon to Imperial gallon formula: value in gal (UK) = value in gal × 0.83267379220385.
Imperial gallon to US gallon formula: value in gal = value in gal (UK) × 1.2009504914923.
How to convert US gallon to Imperial gallon
To convert US gallon to Imperial gallon, multiply the value in gal by 0.83267379220385. This gives the result in gal (UK).
For example, 1 gal = 0.83267379220385 gal (UK) and 10 gal = 8.3267379220385 gal (UK).
What is US gallon?
US gallon (gal): The US liquid gallon, used for fuel and large containers. Smaller than the imperial gallon. 1 gal ≈ 3.78541 L.
What is Imperial gallon?
Imperial gallon (gal (UK)): The imperial gallon. It has a larger volume than the similarly named US gallon. 1 gal (UK) = 4.54609 L.
FAQ
How many imperial gallon are in 1 us gallon?
There are 0.83267379220385 gal (UK) in 1 gal.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert us gallon to imperial gallon?
Multiply the value in gal by 0.83267379220385 to get the value in gal (UK).
US gallon → other Volume units
- 1 us gallon → cubic meter = 0.00378541 cubic meter
- 1 us gallon → cubic centimeter = 3785.41 cubic centimeter
- 1 us gallon = 3785410 cubic millimeter
- 1 us gallon → hectoliter = 0.0378541 hectoliter
- 1 us gallon → liter = 3.78541 liter
- 1 us gallon → deciliter = 37.8541 deciliter
- 1 us gallon → centiliter = 378.541 centiliter
- 1 us gallon → milliliter = 3785.41 milliliter
- 1 us gallon → cubic feet = 0.13368049251642 cubic feet
- 1 us gallon → cubic inch = 230.99989113364 cubic inch
- 1 us gallon → cubic yard = 0.0049511293537553 cubic yard
- 1 us gallon → us liquid pint = 8.0000042267571 us liquid pint
- 1 us gallon → us teaspoon = 768.00300269837 us teaspoon
- 1 us gallon → us tablespoon = 255.99580712788 us tablespoon
- 1 us gallon → us customary cup = 16.000008453514 us customary cup
- 1 us gallon → us liquid quart = 3.9999978866237 us liquid quart
- 1 us gallon → us fluid ounce = 128.00006762811 us fluid ounce
- 1 us gallon → imperial gallon = 0.83267379220385 imperial gallon
US gallon → Imperial gallon Table
The table below shows common values from US gallon to Imperial gallon and the reverse direction for quick reference.
| gal | gal (UK) | Rounded |
|---|---|---|
| 1 gal | 0.83267379220385 gal (UK) | 0.8327 |
| 2 gal | 1.6653475844077 gal (UK) | 1.6653 |
| 3 gal | 2.4980213766115 gal (UK) | 2.4980 |
| 4 gal | 3.3306951688154 gal (UK) | 3.3307 |
| 5 gal | 4.1633689610192 gal (UK) | 4.1634 |
| 10 gal | 8.3267379220385 gal (UK) | 8.3267 |
| 12 gal | 9.9920855064462 gal (UK) | 9.9921 |
| 15 gal | 12.490106883058 gal (UK) | 12.4901 |
| 20 gal | 16.653475844077 gal (UK) | 16.6535 |
| 25 gal | 20.816844805096 gal (UK) | 20.8168 |
| 30 gal | 24.980213766115 gal (UK) | 24.9802 |
| 40 gal | 33.306951688154 gal (UK) | 33.3070 |
| 50 gal | 41.633689610192 gal (UK) | 41.6337 |
| 75 gal | 62.450534415289 gal (UK) | 62.4505 |
| 100 gal | 83.267379220385 gal (UK) | 83.2674 |
| 200 gal | 166.53475844077 gal (UK) | 166.5348 |
| 250 gal | 208.16844805096 gal (UK) | 208.1684 |
| 500 gal | 416.33689610192 gal (UK) | 416.3369 |
| 750 gal | 624.50534415289 gal (UK) | 624.5053 |
| 1000 gal | 832.67379220385 gal (UK) | 832.6738 |
| 2500 gal | 2081.6844805096 gal (UK) | 2081.6845 |
| 5000 gal | 4163.3689610192 gal (UK) | 4163.3690 |
| 10000 gal | 8326.7379220385 gal (UK) | 8326.7379 |
Imperial gallon → US gallon Table
| gal (UK) | gal | Rounded |
|---|---|---|
| 1 gal (UK) | 1.2009504914923 gal | 1.2010 |
| 2 gal (UK) | 2.4019009829847 gal | 2.4019 |
| 3 gal (UK) | 3.602851474477 gal | 3.6029 |
| 4 gal (UK) | 4.8038019659693 gal | 4.8038 |
| 5 gal (UK) | 6.0047524574617 gal | 6.0048 |
| 10 gal (UK) | 12.009504914923 gal | 12.0095 |
| 12 gal (UK) | 14.411405897908 gal | 14.4114 |
| 15 gal (UK) | 18.014257372385 gal | 18.0143 |
| 20 gal (UK) | 24.019009829847 gal | 24.0190 |
| 25 gal (UK) | 30.023762287308 gal | 30.0238 |
| 30 gal (UK) | 36.02851474477 gal | 36.0285 |
| 40 gal (UK) | 48.038019659693 gal | 48.0380 |
| 50 gal (UK) | 60.047524574617 gal | 60.0475 |
| 75 gal (UK) | 90.071286861925 gal | 90.0713 |
| 100 gal (UK) | 120.09504914923 gal | 120.0950 |
| 200 gal (UK) | 240.19009829847 gal | 240.1901 |
| 250 gal (UK) | 300.23762287308 gal | 300.2376 |
| 500 gal (UK) | 600.47524574617 gal | 600.4752 |
| 750 gal (UK) | 900.71286861925 gal | 900.7129 |
| 1000 gal (UK) | 1200.9504914923 gal | 1200.9505 |
| 2500 gal (UK) | 3002.3762287308 gal | 3002.3762 |
| 5000 gal (UK) | 6004.7524574617 gal | 6004.7525 |
| 10000 gal (UK) | 12009.504914923 gal | 12009.5049 |
Imperial gallon → US gallon
The reverse value is 1 gal (UK) = 1.2009504914923 gal.