Liters to UK Gallons

Liter

A liter (L) is a common unit of volume in the metric system. It represents the amount of space that one cubic decimeter occupies, making it perfect for measuring liquids and everyday containers. You’ll see liters used for beverages, fuel, cleaning products, and anything that pours — from water bottles to milk cartons.

Because liters are part of the metric system, they convert cleanly with milliliters (1 L = 1000 mL) and cubic meters (1 m³ = 1000 L). When switching between metric and US or UK units — like gallons, cups, or fluid ounces — a conversion tool provides quick and accurate results, especially in cooking or travel.

UK Gallon (Imperial Gallon)

A UK gallon, also called an Imperial gallon, is a volume unit used primarily in the United Kingdom and some Commonwealth countries. It is larger than the US gallon, holding the equivalent of 4 quarts, 8 pints, or 160 fluid ounces. The Imperial gallon is still commonly used to measure fuel at petrol stations and in older beverage packaging.

Because the UK gallon is different from the US gallon, international conversions can be misleading if the type of gallon isn’t specified. Using a volume converter ensures accurate translation to liters, cups, or other measurement systems when comparing product sizes from different countries.