Convert US gallon (gal US) to imperial gallon (gal UK).
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Imperial Gallon to US Gallon Converter (UK gal to US gal)
Convert imperial gallon (gal UK) to US gallon (gal US).Unit Converter · Volume
Quick answer
1 imperial gallon (UK gal) is approximately equal to 1.20095 US gallons (US gal). 1 US gallon (US gal) is approximately equal to 0.8326742 imperial gallons (UK gal).
To convert UK gal to US gal, multiply the value in imperial gallons by 1.2009499255. For example, 10 UK gal = 12.00949926 US gal, and 100 UK gal = 120.09499255 US gal.
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Quick reference — imperial gallon to US gallon
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How to convert imperial gallons to US gallons
How many US gallons are in an imperial gallon? 1 imperial gallon is about 1.20095 US gallons. This free UK gal to US gal converter and imperial gallon to US gallon calculator gives the answer instantly for any value.
To convert imperial gallon (UK gal) to US gallon (US gal), multiply the value in imperial gallons by 1.2009499255.
US gal = UK gal × 1.2009499255
- 1
Take the value in imperial gallons
For example, 25 UK gal.
- 2
Multiply by 1.2009499255
25 × 1.2009499255.
- 3
Read the answer in US gallons
25 UK gal = 30.02374814 US gal.
Imperial Gallon to US Gallon conversion table
Common values from 1 to 1,000 imperial gallons converted to US gallons.
| Imperial Gallon (UK gal) | US Gallon (US gal) |
|---|---|
| 1 UK gal | 1.20094993 US gal |
| 2 UK gal | 2.40189985 US gal |
| 3 UK gal | 3.60284978 US gal |
| 4 UK gal | 4.8037997 US gal |
| 5 UK gal | 6.00474963 US gal |
| 6 UK gal | 7.20569955 US gal |
| 7 UK gal | 8.40664948 US gal |
| 8 UK gal | 9.6075994 US gal |
| 9 UK gal | 10.80854933 US gal |
| 10 UK gal | 12.00949926 US gal |
| 15 UK gal | 18.01424888 US gal |
| 20 UK gal | 24.01899851 US gal |
| 25 UK gal | 30.02374814 US gal |
| Imperial Gallon (UK gal) | US Gallon (US gal) |
|---|---|
| 30 UK gal | 36.02849777 US gal |
| 40 UK gal | 48.03799702 US gal |
| 50 UK gal | 60.04749628 US gal |
| 60 UK gal | 72.05699553 US gal |
| 70 UK gal | 84.06649479 US gal |
| 75 UK gal | 90.07124441 US gal |
| 80 UK gal | 96.07599404 US gal |
| 90 UK gal | 108.0854933 US gal |
| 100 UK gal | 120.09499255 US gal |
| 250 UK gal | 300.23748138 US gal |
| 500 UK gal | 600.47496275 US gal |
| 1,000 UK gal | 1,200.9499255 US gal |
About imperial gallons and US gallons
Imperial Gallon (UK gal)
An imperial gallon is exactly 4.54609 liters, about 20% larger than a US gallon. It is the traditional UK measure.
US Gallon (US gal)
A US gallon is about 3.785 liters, or 4 US quarts (128 US fluid ounces).
UK gal to US gal: common questions
- How many US gallons are in 1 imperial gallon?
- 1 imperial gallon (UK gal) is approximately equal to 1.20095 US gallons (US gal). In short: 1 UK gal ≈ 1.20095 US gal.
- How do I convert imperial gallons to US gallons?
- To convert UK gal to US gal, multiply the value in imperial gallons by 1.2009499255. For example, 5 UK gal = 6.00474963 US gal.
- How do I convert US gallons to imperial gallons?
- To convert US gal to UK gal, divide the value in US gallons by 1.2009499255. Or open the Us Gallon to Imperial Gallon converter, which does it for you.
- What is 10 UK gal in US gal, and what is 100 UK gal?
- 10 UK gal = 12.00949926 US gal, and 100 UK gal = 120.09499255 US gal. The table above lists more values from 1 to 1,000.
- Is this UK gal to US gal converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
US Gallon to Imperial Gallon converter →All Volume converters →
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