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Volume Converter

Convert between 16 volume units: metric, US customary, imperial and cubic units, with live results and the exact formula shown for every pair.

Convert volume converter

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Popular conversions
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How volume conversion works

Every unit converts through cubic meters. Each unit stores one fixed factor (1 US gallon = 0.003785411784 m3), so any pair converts with one multiplication: value x from-factor / to-factor.

US vs imperial measures

US and imperial gallons, pints and fluid ounces differ: an imperial gallon is 4.546 liters while a US gallon is 3.785 liters. Cooking spoons also differ slightly, so pick the right system for recipes.

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Volume Converter FAQs

How many liters in a US gallon?
3.785411784 liters exactly.
How many ml in a US cup?
236.5882365 ml exactly (US legal cup).
How many ml in a tablespoon?
14.78676478125 ml for a US tablespoon; 15 ml for a metric tablespoon.
US vs imperial gallon?
US gallon = 3.785 L; imperial gallon = 4.54609 L. The imperial gallon is about 20% larger.
How many liters in a cubic meter?
Exactly 1,000 liters.
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