All Volume Units

How to Convert Volume Units?

Volume conversion is essential for cooking, chemistry, fuel consumption, and liquid measurements. This converter handles both metric and imperial volume units, including US and UK variations. Enter any volume value, select your source unit, and instantly convert to liters, gallons, milliliters, cups, and more.

Liter (L)

The liter is a metric unit of volume equal to 1,000 milliliters or 1 cubic decimeter. It's the standard unit for measuring beverages, fuel, and liquids worldwide. One liter of water weighs approximately one kilogram at standard conditions.

Gallon US (gal)

The US gallon equals 3.785 liters or 128 fluid ounces. It's used in the United States for fuel, milk, and large liquid quantities. The US gallon is about 20% smaller than the UK gallon. One US gallon contains 4 quarts or 8 pints.

Gallon UK (gal)

The UK (Imperial) gallon equals 4.546 liters, making it larger than the US gallon. It's used in the United Kingdom and some Commonwealth countries. One UK gallon is approximately 1.2 US gallons.

Milliliter (ml)

The milliliter is 1/1000 of a liter or 1 cubic centimeter. It's used for small liquid measurements in cooking, medicine, and cosmetics. A standard teaspoon holds about 5 milliliters, and a tablespoon holds about 15 milliliters.

Cup

The cup is a cooking measurement equal to 8 US fluid ounces or approximately 237 milliliters. It's widely used in American recipes for both liquid and dry ingredients. Note that metric cups (250 ml) and UK cups differ slightly from US cups.

Common Volume Conversions