Convert gallons to liters
US gallons are the starting unit. For imperial gallons, choose UK gallon in the From list.
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| Unit | Value |
|---|
The converter starts from US gallons and reports litres. To use imperial gallons, choose UK (imperial) gallon in the From list. The litre figure, the formula and the table of other volume units update as you type.
A UK gallon is about 20% bigger than a US gallon, so the same number of gallons gives more litres in the UK unit. Five US gallons are about 18.927 L, and five UK gallons are about 22.730 L. For the reverse, see liters to gallons.
| US gal | L |
|---|---|
| 0.5 US gal | 1.8927 L |
| 1 US gal | 3.7854 L |
| 2 US gal | 7.5708 L |
| 3 US gal | 11.3562 L |
| 5 US gal | 18.9271 L |
| 10 US gal | 37.8541 L |
| 12 US gal | 45.4249 L |
| 15 US gal | 56.7812 L |
| 20 US gal | 75.7082 L |
| 25 US gal | 94.6353 L |
| 50 US gal | 189.27 L |
| 100 US gal | 378.54 L |
How to convert units
- Pick a category, such as length or volume.
- Type the value and choose the unit it is in.
- Read the answer, or scan the table for every other unit.
Questions
How many litres are in 2 US gallons?
2 US gallons is about 7.571 L. Multiply 2 by 3.785411784, which gives 7.5708 to four decimal places.
Can I convert part of a gallon?
Yes. Enter a decimal such as 2.5. 2.5 US gallons is about 9.464 L, from 2.5 × 3.785411784.
How do I convert miles to kilometres?
Multiply the miles by 1.609344. A mile is exactly 1,609.344 metres, so 10 miles is 16.09344 km.
Why are US and UK gallons different?
A US gallon is 3.785411784 litres and a UK (imperial) gallon is 4.54609 litres. The UK gallon is about 20% bigger, so the same volume is a smaller number of UK gallons.
What is the difference between KB and KiB?
A kilobyte (KB) is 1,000 bytes and a kibibyte (KiB) is 1,024 bytes. Some operating systems show binary sizes with the decimal label, so a 1 TB drive can be reported as about 931 GB.
Is a cup 236.6 ml or 240 ml?
Both are used. The US customary cup is 236.6 ml, or 8 US fluid ounces. Nutrition labels use a 240 ml cup, which is about 1.4% larger, so check which one a recipe means.
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