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How Many Ounces in a Gallon

Free volume calculator for precise liquid measurements

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About Volume Conversions

This converter helps you convert between different volume measurements commonly used in cooking, brewing, and everyday liquid measurements. The tool supports US customary units and metric measurements, making it easy to work with recipes and measurements from any country.

Quick Conversion Facts

  • 1 US gallon = 128 US fluid ounces
  • 1 US gallon = 4 US quarts
  • 1 US gallon = 8 US pints
  • 1 US gallon = 16 US cups
  • 1 US gallon ≈ 3.785 liters