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Volume Converter – Liters, Gallons, Cups, ml

Convert volume units: milliliters, liters, cubic meters, teaspoons, tablespoons, fluid ounces, cups, pints, quarts and US/UK gallons.

  • Free, no sign-up
  • Runs in your browser, nothing uploaded

About the Volume Converter

Convert liquid volumes for recipes, fuel and science, including US and UK gallons, cups, spoons and fluid ounces.

Key features

  • Convert ml, liters, cubic meters, teaspoons, tablespoons, fluid ounces, cups, pints, quarts and gallons
  • US and UK (imperial) gallons
  • Great for recipes and fuel
  • Swap direction with one click
  • See the value in every unit at once
  • Free, instant, no sign-up

Volume and capacity conversion

From teaspoons in a recipe to gallons at the gas station, this converter switches between metric, US customary and imperial volume units instantly.

Common conversions

FromToMultiply by
LitersUS gallons0.264172
US gallonsLiters3.78541
UK gallonsLiters4.54609
US cupsMilliliters236.588
US fl ozMilliliters29.5735
TablespoonsMilliliters14.7868
TeaspoonsMilliliters4.92892
Cubic metersLiters1,000

Kitchen equivalents (US)

UnitEquivalent
1 tablespoon3 teaspoons
1 fluid ounce2 tablespoons
1 cup8 fl oz = 16 tablespoons
1 pint2 cups
1 quart2 pints = 4 cups
1 gallon4 quarts = 16 cups

US vs UK units

UnitUSUK (imperial)
Fluid ounce29.57 ml28.41 ml
Pint473.2 ml568.3 ml
Gallon3.785 l4.546 l

A British pint of beer is about 20% bigger than an American one.

Convert ingredient weights with the Weight Converter, or oven temperatures with the Temperature Converter.

How to use the Volume Converter

  1. Enter your numbers in the fields above. Units and options can be changed at any time.
  2. The result updates instantly as you type; there's no calculate button to press.
  3. Check the breakdown under the main result for the details behind the number.
  4. Adjust the inputs to compare scenarios, for example a different rate or term.

Frequently asked questions

How many milliliters are in a US cup?

A US customary cup is 236.6 ml. Many recipes round it to 240 ml, and a metric cup (used in Australia and elsewhere) is 250 ml.

How many liters are in a gallon?

A US gallon is 3.785 liters and a UK (imperial) gallon is 4.546 liters.

How many teaspoons are in a tablespoon?

Three. A US tablespoon is 14.79 ml and a teaspoon is 4.93 ml.

Are fluid ounces the same as ounces?

No. Fluid ounces measure volume and ounces measure weight. 1 US fl oz of water weighs about 1.04 oz.

Are these calculators accurate?

They use standard, published formulas (for example the amortization formula for loans, Mifflin-St Jeor for calories and the U.S. Navy method for body fat) and are tested against known reference values. Results are estimates for planning, not professional advice.

Is my data stored?

No. All calculations run in your browser and nothing you enter is sent to a server.

Do the calculators work on my phone?

Yes. Every calculator is designed for mobile, tablet and desktop.

Last updated:

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