Volume Converter
Convert litres, gallons, cups, millilitres and fluid ounces. Type a value and read the result.
Convert Units Instantly
Results follow standard formulas and are rounded for display.
About the Volume Converter
This page converts litres, gallons, cups, millilitres and fluid ounces. Pick the unit you have and the unit you want, type a number and the answer updates straight away.
Use the other categories in the same tool for length, weight, temperature, volume, area, speed, time, pressure, energy and data. Conversions use standard factors shown to several decimals.
People look up volume conversions when they follow a recipe or manual written for another country, compare products listed in different units, check homework or plan a trip. A conversion is only as reliable as the unit names you pick, so read them carefully, keep the full result while you work and round at the end. The calculation happens in your browser as you type, so nothing you enter is sent anywhere.
How to use it
Pick the units. Choose From and To in the volume list.
Type a value. Decimals are fine.
Read the answer. Use the swap control to reverse it.
Convert 2 US gallons to litres
Tips for good results
- Check the unit names carefully, because similar units differ by country.
- Round only at the end if you chain several conversions.
- Use the swap control to check your answer in reverse.
Common mistakes
- Picking the wrong unit variant, such as US and imperial.
- Rounding too early.
Common questions
Which volume units are included?
Common ones: litres, gallons, cups, millilitres and fluid ounces.
How exact is the conversion?
It uses standard factors and shows several decimal places.
Can I convert in reverse?
Yes. Swap the units.
Is my input stored?
No.
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Results follow standard formulas and are rounded for display.
