About This Converter
Our free gallons to litres converter instantly converts between all major volume units. Whether you're cooking and need to convert cups to ml, filling up your car and need gallons to litres, or working in a recipe that uses fluid ounces — just type and get instant results. 1 US gallon = 3.785 litres | 1 cup = 236.6 ml | 1 fl oz = 29.57 ml
Frequently Asked Questions
How many litres is 1 US gallon?+
1 US gallon = 3.78541 litres. Note: the UK imperial gallon is larger at 4.546 litres.
How many ml is 1 cup?+
1 US cup = 236.59 ml. This is a standard US measurement used in cooking and baking.
How many fl oz in a litre?+
1 litre = 33.814 US fluid ounces. 1 fl oz = 29.574 ml.
How many cups in a gallon?+
1 US gallon = 16 cups = 8 pints = 4 quarts = 128 fluid ounces.
How many pints in a litre?+
1 litre = 2.113 US pints. Note: 1 UK pint = 568 ml, while 1 US pint = 473 ml.