Volume Converter
Convert between milliliters, liters, gallons, cups, fluid ounces, tablespoons, teaspoons, and more. Supports metric, US customary, and imperial units instantly.
How Volume Conversion Works
All units are converted through a common base unit (liters). Each unit has a factor representing how many liters it equals. The input value is first converted to liters, then from liters to every other unit simultaneously.
Common Volume Conversions
Frequently Asked Questions
To convert liters to US gallons, divide by 3.78541. So 10 liters = 10 ÷ 3.78541 ≈ 2.642 gallons. For imperial gallons, divide by 4.54609 instead. Use this calculator for instant results across all units simultaneously.
There are approximately 4.227 US cups in 1 liter (since 1 US cup = 236.588 mL). If you need metric cups (250 mL), there are exactly 4 metric cups in 1 liter. Always clarify which cup measurement is being used in recipes.
There are 16 tablespoons in 1 US cup. Since 1 cup = 236.588 mL and 1 tablespoon = 14.787 mL, the math works out to exactly 16 tablespoons. There are also 3 teaspoons in 1 tablespoon, meaning 48 teaspoons per cup.
A US gallon equals 3.785 liters, while a UK/Imperial gallon equals 4.546 liters — about 20% larger. This distinction matters when comparing fuel economy (mpg in the US vs UK) or purchasing liquids sold by the gallon in different countries.
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