Convert imperial gallon (gal UK) to US gallon (gal US).
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US Gallon to Imperial Gallon Converter (US gal to UK gal)
Convert US gallon (gal US) to imperial gallon (gal UK).Unit Converter · Volume
Quick answer
1 US gallon (US gal) is approximately equal to 0.8326742 imperial gallons (UK gal). 1 imperial gallon (UK gal) is approximately equal to 1.20095 US gallons (US gal).
To convert US gal to UK gal, multiply the value in US gallons by 0.8326741846. For example, 10 US gal = 8.32674185 UK gal, and 100 US gal = 83.26741846 UK gal.
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Quick reference — US gallon to imperial gallon
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How to convert US gallons to imperial gallons
How many imperial gallons are in a US gallon? 1 US gallon is about 0.8326742 imperial gallons. This free US gal to UK gal converter and US gallon to imperial gallon calculator gives the answer instantly for any value.
To convert US gallon (US gal) to imperial gallon (UK gal), multiply the value in US gallons by 0.8326741846.
UK gal = US gal × 0.8326741846
- 1
Take the value in US gallons
For example, 25 US gal.
- 2
Multiply by 0.8326741846
25 × 0.8326741846.
- 3
Read the answer in imperial gallons
25 US gal = 20.81685462 UK gal.
US Gallon to Imperial Gallon conversion table
Common values from 1 to 1,000 US gallons converted to imperial gallons.
| US Gallon (US gal) | Imperial Gallon (UK gal) |
|---|---|
| 1 US gal | 0.83267418 UK gal |
| 2 US gal | 1.66534837 UK gal |
| 3 US gal | 2.49802255 UK gal |
| 4 US gal | 3.33069674 UK gal |
| 5 US gal | 4.16337092 UK gal |
| 6 US gal | 4.99604511 UK gal |
| 7 US gal | 5.82871929 UK gal |
| 8 US gal | 6.66139348 UK gal |
| 9 US gal | 7.49406766 UK gal |
| 10 US gal | 8.32674185 UK gal |
| 15 US gal | 12.49011277 UK gal |
| 20 US gal | 16.65348369 UK gal |
| 25 US gal | 20.81685462 UK gal |
| US Gallon (US gal) | Imperial Gallon (UK gal) |
|---|---|
| 30 US gal | 24.98022554 UK gal |
| 40 US gal | 33.30696739 UK gal |
| 50 US gal | 41.63370923 UK gal |
| 60 US gal | 49.96045108 UK gal |
| 70 US gal | 58.28719292 UK gal |
| 75 US gal | 62.45056385 UK gal |
| 80 US gal | 66.61393477 UK gal |
| 90 US gal | 74.94067662 UK gal |
| 100 US gal | 83.26741846 UK gal |
| 250 US gal | 208.16854616 UK gal |
| 500 US gal | 416.33709231 UK gal |
| 1,000 US gal | 832.67418463 UK gal |
About US gallons and imperial gallons
US Gallon (US gal)
A US gallon is about 3.785 liters, or 4 US quarts (128 US fluid ounces).
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 gal to UK gal: common questions
- How many imperial gallons are in 1 US gallon?
- 1 US gallon (US gal) is approximately equal to 0.8326742 imperial gallons (UK gal). In short: 1 US gal ≈ 0.8326742 UK gal.
- How do I convert US gallons to imperial gallons?
- To convert US gal to UK gal, multiply the value in US gallons by 0.8326741846. For example, 5 US gal = 4.16337092 UK gal.
- How do I convert imperial gallons to US gallons?
- Use the Imperial Gallon to Us Gallon converter, which applies the exact reverse factor.
- What is 10 US gal in UK gal, and what is 100 US gal?
- 10 US gal = 8.32674185 UK gal, and 100 US gal = 83.26741846 UK gal. The table above lists more values from 1 to 1,000.
- Is this US gal to UK 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.
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