Convert litres, millilitres, gallons, cups and cubic units instantly.
Last updated: 8 Aug 2026
Quick answer
To convert volume, enter a value and choose the units — for example, 1 litre = 1000 ml, 1 US gallon = 3.785 litres, and 1 cup = 240 ml. This converter handles litres, millilitres, gallons, cups, pints and cubic metres, instantly.
Convert volume between metric and US customary units instantly — litres, millilitres, cubic metres, cups, pints and gallons. Handy for cooking, fuel and science.