L to UK Gallons

Liters to UK Gallons Conversion Formula

To convert liters to UK (imperial) gallons, use this formula:

The imperial gallon is defined as exactly 4.54609 liters. This is the British gallon and is not the same as the US gallon (3.785411784 liters), so always check which gallon a figure refers to.

Step-by-Step Volume Conversion Guide

1. Take your volume in liters
2. Divide it by 4.54609 (the size of one imperial gallon)
3. Get your result in UK gallons

Common Liters to UK Gallons Conversions

Practical Applications of Liters to UK Gallons Converter

• Fuel economy: UK cars quote miles per imperial gallon; tank sizes are in liters
• Cooking & brewing: British recipes and homebrew batches often use imperial gallons
• Aquariums & ponds: UK hobbyists size tanks in imperial gallons
• Shipping: Comparing metric container volumes to imperial capacity
• Travel: Understanding fuel and drink measures in the UK

UK Gallon vs US Gallon

There are two "gallons" in common use. The imperial (UK) gallon equals 4.54609 liters, defined in the British Weights and Measures Act. The US gallon equals only 3.785411784 liters. Because the imperial gallon is about 20% larger, a figure like "40 miles per gallon" means different things in the UK and the US. This converter always uses the imperial gallon.

Quick Conversion Tips

For a rough estimate, 1 liter ≈ 0.22 UK gallons, or divide liters by about 4.5. To go the other way, multiply UK gallons by 4.55. For the US gallon, use 3.785 instead.