Understanding how gallons convert to liters is essential for cooking, fuel measurement, and international trade. However, not all gallons are created equal. The U.S. gallon and the U.K. (imperial) gallon differ significantly in volume, which affects conversions and calculations. This guide provides a clear comparison between U.S. and U.K. gallons and their liter equivalents.
US Gallon vs UK Gallon: What's the Difference?
- US gallon: 1 US gallon = 3.785 liters
- UK gallon: 1 UK gallon = 4.546 liters
The UK gallon is approximately 20% larger than the US gallon. This difference is crucial when converting volumes for recipes, fuel, or industrial use.
Gallon to Liter Conversion Table
| Gallons | US Gallon (L) | UK Gallon (L) |
|---|---|---|
| 1 | 3.785 | 4.546 |
| 2 | 7.570 | 9.092 |
| 3 | 11.355 | 13.638 |
| 5 | 18.925 | 22.730 |
| 10 | 37.850 | 45.460 |
| 13 | 49.205 | 59.098 |
How to Convert Gallons to Liters
- For US gallons: multiply by 3.785
- For UK gallons: multiply by 4.546
- Example: 2 UK gallons × 4.546 = 9.092 liters
Common Conversion Scenarios
- Fuel: UK fuel pumps use liters, but older specs may list gallons. See UnitConverters.net for real-time conversion.
- Cooking: Recipes from the UK may use imperial gallons. Always confirm the unit before converting.
- Water Usage: According to USGS, Americans use about 82 gallons of water daily—equal to 310 liters.
FAQ
Is a UK gallon bigger than a US gallon?
Yes. A UK gallon equals 4.546 liters, while a US gallon equals 3.785 liters.
How many liters in 5 gallons?
5 US gallons = 18.925 liters; 5 UK gallons = 22.730 liters.
How many liters in 13 gallons?
13 US gallons = 49.205 liters; 13 UK gallons = 59.098 liters.
How do I convert liters to gallons?
Divide liters by 3.785 for US gallons or by 4.546 for UK gallons.
Need to convert more units? Try our interactive converter below:
