Convert liquid volume and capacity measurements between liters, gallons, fluid ounces, milliliters, cups, pints, and quarts instantly.
Volume is the three-dimensional space occupied by a liquid, solid, or gas. Our free online Volume Converter translates capacity measurements between metric and imperial liquid systems, supporting milliliters, liters, teaspoons, tablespoons, cups, fluid ounces, pints, quarts, and gallons.
The converter handles differences between U.S. liquid measures and UK imperial measures (such as a U.S. gallon equaling 3.785 liters, while a UK gallon equals 4.546 liters). The tool processes conversions instantly with high precision, making it ideal for culinary, industrial, and domestic applications.
There are exactly 1,000 milliliters in one liter.
A U.S. gallon is equal to 3.785 liters (or 128 U.S. fluid ounces). An Imperial gallon is equal to 4.546 liters (or 160 UK fluid ounces). The Imperial gallon is approximately 20% larger than the U.S. gallon.
There are exactly 4 cups in one standard quart (since there are 2 cups in a pint, and 2 pints in a quart).
To convert U.S. fluid ounces to milliliters, multiply the ounce value by 29.5735. For example, 8 fl oz is approximately 236.59 ml. For UK fluid ounces, multiply by 28.413.