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Volume Converter

Convert between metric and US customary volume units. All conversions pass through the litre; US customary units are used (1 US gallon = 3.785411784 L exactly).

Result

3.78541

1 US gallons (gal) = 3.78541 Liters (L)

About these conversions

  • All conversions pass through the litre as the base unit.
  • US customary units are used, not UK imperial (a UK gallon is ~4.546 L).
  • 1 US gallon = 231 cubic inches = 3.785411784 litres exactly.
  • 1 US cup = 8 US fluid ounces = 236.5882365 mL.