Volume Converter
Convert between metric and US liquid volume units instantly. This calculator supports milliliters, liters, US gallons, quarts, pints, cups, and fluid ounces with exact conversion factors.
Volume conversion is essential in cooking, chemistry, medicine, and everyday life. This converter uses US liquid measures (as opposed to Imperial/UK measures, which differ slightly).
Key Conversion Factors (US Liquid):
- 1 US gallon = 3,785.411784 mL (exactly 231 cubic inches)
- 1 US gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces
- 1 liter = 1,000 mL
- 1 US gallon ≈ 3.785 liters
- 1 US cup = 236.588 mL
- 1 US fluid ounce = 29.574 mL
US vs Imperial Measures:
US and Imperial (UK) volume measures differ. A US gallon is about 3.785 liters, while an Imperial gallon is about 4.546 liters. This converter uses US measures, which are standard in American recipes and product labeling.