Volume Converter

Convert gallons, liters, quarts, pints, cups, fluid ounces, milliliters and cubic meters both ways. US and UK (imperial) units are kept separate.

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All units

Tap a value to copy it

About the Volume Converter

This volume converter shows any amount in metric units (ml, L, mยณ), US customary units (gallon, quart, pint, cup, fluid ounce, oil barrel) and UK imperial units at the same time. US and imperial gallons and pints are different sizes, so both are listed separately โ€“ handy for recipes, fuel, drinks and aquarium or pool volumes.

How to use

  1. Type an amount in the top box and choose its unit.
  2. Choose the unit you want below. Typing in the bottom box converts backwards.
  3. Tap a popular conversion such as a 12 fl oz can or 1 quart.
  4. Tap any value under All units to copy it.

Volume conversion chart

UnitMetricNotes
1 US gal3.785411784 L231 inยณ
1 US qt0.946353 L1/4 gal
1 US pt473.176 ml16 fl oz
1 US cup236.588 ml8 fl oz
1 US fl oz29.5735 ml
1 UK gal4.54609 L
1 UK pt568.261 ml20 UK fl oz
1 bbl158.987 L42 US gal

US vs. imperial measures

The US gallon (3.785 L) is about 17% smaller than the imperial gallon (4.546 L) used in the UK. A US pint is 16 fl oz (473 ml), while a British pint is 20 imperial fl oz (568 ml) โ€“ which is why a pint of beer in a London pub is bigger than one in New York. For cooking measures like tablespoons and teaspoons, use the cooking converter.

FAQ

How many liters are in a gallon?

A US gallon is exactly 3.785411784 liters. An imperial (UK) gallon is 4.54609 liters.

How many ml are in a fluid ounce?

A US fluid ounce is about 29.57 ml; an imperial fluid ounce is about 28.41 ml. A 12 fl oz can holds 355 ml.

How many cups are in a quart?

A US quart is 4 cups, 2 pints or 32 fl oz โ€“ about 946 ml.

Are ml and cc the same?

Yes. One cubic centimeter (cc) is exactly one milliliter.