Volume Converter
Convert between volume units for liquids and containers. Transform gallons to liters, quarts to cups, and more. Perfect for cooking, fuel, beverages, and scientific measurements.
Reviewed by the SparkCalc editorial team
How We Calculate This
All conversions use milliliters as the base unit. 1 tbsp = 14.787 mL, 1 fl oz = 29.574 mL, 1 cup = 236.588 mL, 1 pt = 473.176 mL, 1 qt = 946.353 mL, 1 gal = 3785.41 mL, 1 L = 1000 mL.
Sources: BIPM — The International System of Units (SI Brochure) · NIST — Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically · NIST Office of Weights and Measures — Unit Conversion
Frequently Asked Questions
How many liters are in a gallon?
1 US gallon equals approximately 3.785 liters. 1 UK gallon (imperial) equals about 4.546 liters. This calculator uses US measurements.
How many cups are in a quart?
There are 4 cups in 1 quart. There are 2 pints in 1 quart, and 2 cups in 1 pint.
How do I convert milliliters to fluid ounces?
Divide milliliters by 29.574 to get fluid ounces. For example, 100 mL ÷ 29.574 = 3.38 fl oz.
What is the difference between US and UK fluid ounces?
1 US fluid ounce = 29.574 mL. 1 UK fluid ounce = 28.413 mL. This calculator uses US measurements.
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