THE RIGHT UNIT. THE CLEAR ANSWER.

US gallon converter.

Convert liquids and cubic measurements. US customary, imperial, and metric cooking measures are labeled separately.

Volume converter
gal (US)
3.785411784L
THE RESULT

1 gal (US) = 3.785411784 L

Calculated in your browserFormula & conversion table

US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.

ONE VALUE, EVERY UNIT

US gallon equivalents

Convert toResultCalculator
Liter (L)3.785411784 L
Milliliter (mL)3,785.411784 mL
Cubic meter (m³)0.003785411784 m³
Cubic centimeter (cm³)3,785.411784 cm³
Cubic inch (in³)231 in³
Cubic foot (ft³)0.1336805556 ft³
US quart (qt (US))4 qt (US)
US pint (pt (US))8 pt (US)
US fluid ounce (fl oz (US))128 fl oz (US)
US cup (cup (US))16 cup (US)
US tablespoon (tbsp (US))256 tbsp (US)
US teaspoon (tsp (US))768 tsp (US)
Imperial gallon (gal (UK))0.8326741846 gal (UK)
Imperial pint (pt (UK))6.661393477 pt (UK)
Imperial fluid ounce (fl oz (UK))133.2278695 fl oz (UK)
Metric cup (cup (metric))15.14164714 cup (metric)

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About volume conversions

Convert liquids and cubic measurements. US customary, imperial, and metric cooking measures are labeled separately.

Each unit is defined relative to one common base unit, so the same factors work consistently in both directions. Select any unit above to see its conversion formula, a worked example, and a reference table.

How precision and conventions work