Volume converter
ConvertersConvert between liters, milliliters, US and UK gallons, cups, fluid ounces, tablespoons and teaspoons.
Your results
Convert between liters, milliliters, gallons, cups, ounces, tablespoons and teaspoons.
How volumes are converted
We use the liter as the reference. Each value is converted to liters and from there we derive the rest with standard factors.
US vs UK gallons
The US gallon (3.785 L) and the UK gallon (4.546 L) are different units. Make sure you pick the one your recipe or product uses.
Frequently asked questions
Answers to the most common questions about this tool.
Which units can I convert?
Choose from the units available in this converter.
How accurate is the conversion?
It uses standard conversion factors between the selected units.
How should I round the result?
Round only to the level of precision required by your recipe, work, or measurement.
How do I enter a value to convert?
Enter a value, then select the source and destination units.
Can I use decimal values?
Yes, provided the value is valid for the selected unit.
Sources and methodology
Methodology: Volume conversion
Converts to liters and derives milliliters, gallons, US cups, and US measures.
It distinguishes US and UK gallons; it does not convert volume to mass.
References
Last reviewed
July 15, 2026