Volume Converter
Instantly convert between metric and imperial volume units, from milliliters to cubic yards.
How to Use Volume Converter
Convert between litres, millilitres, US and UK gallons, cups, fluid ounces and cubic units as you type. The tool uses exact official conversion factors, so common answers come out right.
Enter a Number
Type the value you want to convert.
Pick Both Units
Choose the unit you have and the unit you want.
Read the Answer
The result updates as you type. Use the swap button to convert the other way.
Results
As you type
Accuracy
Exact factors
Swap
One click
Works on
Phone & computer
Price
100% free
Sign-up
Not needed
Volume Converter: Quick Reference
The key numbers and facts in one place.
| 1 US gallon | 3.785 litres |
|---|---|
| 1 UK gallon | 4.546 litres |
| 1 litre | 33.81 US fl oz |
| 1 US tablespoon | 14.79 ml |
| 1 US teaspoon | 4.93 ml |
| 1 m³ | 1,000 litres |
What Can You Use It For?
Popular ways people use Volume Converter.
Cooking
Convert recipe measures between ml, teaspoons and ounces.
Fuel
US vs UK gallons to litres.
Liquids & Tanks
Water tanks, pools and containers.
Science
Cubic centimetres and millilitres.
Tips for the Best Result
- US and UK gallons are different — a UK gallon is about 20% bigger.
- 1 ml is the same as 1 cm³.
- Recipes from the US use US cups and spoons.
Frequently Asked Questions
Quick answers about Volume Converter.
A US gallon is 3.785 litres; a UK (imperial) gallon is 4.546 litres.
About 14.79 ml (US).
About 4.93 ml (US).
Yes, exactly.
33.81 US fl oz or 35.2 UK fl oz.
Yes — official definitions are used for every unit.
Yes.
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