Volume Converter — Free Online Tool
Convert volume units online for free. Supports litres, millilitres, gallons, cups, fluid ounces, pints, quarts, and cubic metres. Instant results.
About Volume Converter
Volume conversion is essential for cooking recipes, liquid purchasing, fuel measurement, industrial applications, and scientific work. Our volume converter covers all common units: millilitres and litres (metric), fluid ounces, cups, pints, quarts, and gallons (US and UK imperial), plus cubic centimetres, metres, and feet for general volume measurement. Note that US and UK gallons differ — our tool supports both. Enter any value and all unit equivalents update simultaneously.
Frequently Asked Questions
How many millilitres in a cup?
1 US cup = 236.588 ml. 1 UK metric cup = 250 ml.
What is the difference between US and UK gallons?
1 US gallon = 3.785 litres. 1 UK imperial gallon = 4.546 litres. They are different measurements.
How many fluid ounces in a litre?
1 litre = 33.814 US fluid ounces = 35.195 UK fluid ounces.
What is the difference between a pint in the US and UK?
1 US pint = 473 ml. 1 UK pint = 568 ml.
How many cups in a gallon?
1 US gallon = 16 US cups.