Volume Converter
Convert volume units: liters, gallons, cups, pints and more.
Volume conversions are essential in cooking, chemistry, medicine, fuel measurement, and construction. Units range from millilitres and litres to gallons, quarts, cubic metres, and cubic feet. This converter handles metric, imperial (US and UK), and cooking-specific units — including the difference between US and UK gallons which differ by about 20%.
📋 How to Use This Calculator
Enter any volume value, select the source unit, and see all equivalent values instantly. The cooking tab provides conversions for teaspoons, tablespoons, cups, and fluid ounces — noting the difference between US and UK/Australian cup sizes (US cup = 240 ml, Australian cup = 250 ml, UK cup = 284 ml).
💡 Key Facts & Information
Key conversions: 1 litre = 1,000 ml = 0.264 US gallons = 0.220 UK gallons = 1.057 US quarts. 1 US gallon = 3.785 litres = 4 quarts = 8 pints = 128 fl.oz. 1 UK gallon = 4.546 litres (20% larger than US gallon). 1 cubic metre = 1,000 litres = 264.2 US gallons. Cooking: 1 US cup = 240 ml; 1 tablespoon = 15 ml; 1 teaspoon = 5 ml. Indian fuel context: petrol and diesel are sold in litres. CNG: cubic metres or kilograms. LPG: kilograms (not litres, because liquid-to-gas expansion varies). Water billing: kilolitres (1 KL = 1,000 litres = 1 cubic metre). Delhi water tariff applies per KL.