⇄Conversion calculator

Volume Converter

Convert liters, gallons, cups, ounces, cubic feet, and more.

Enter value, from and to and get converted value and conversion factor instantly.

InValueInFromInToOutConverted valueOutConversion factorOutSame value in liters
3 inputs3 resultsFree no signupPrivate in your browser

Volume Converter

Fill in the values and the answer updates as you type.

Live
1 Your numbers
2 Your result

How the Volume Converter works

Each unit is stored as a number of liters, then converted: result = value × (from-unit in liters) ÷ (to-unit in liters). US and imperial gallons differ: 1 US gallon is 3.785 L while 1 imperial gallon is 4.546 L.

Inputs and results

The Volume Converter takes 3 inputs and gives 3 results.

What you enter

  • Value — starts at 1.
  • From — starts at US gallons. Choose from: Liters, Milliliters, Cubic meters, US gallons, US quarts and US pints and more.
  • To — starts at Liters. Choose from: Liters, Milliliters, Cubic meters, US gallons, US quarts and US pints and more.

What you get

  • Converted value
  • Conversion factor
  • Same value in liters

Example: Volume Converter with the starting values

With value 1, from US gallons and to Liters, the calculator returns:

Example results
Converted value3.78541178 Liters
Conversion factor1 US gallons = 3.78541178 Liters
Same value in liters3.78541178 liters

Change any value above and the results update straight away.

Volume Converter FAQ

How do I use the Volume Converter?

Enter value, from and to in the fields, then read converted value, conversion factor and same value in liters in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.

What does the Volume Converter calculate?

Convert liters, gallons, cups, ounces, cubic feet, and more. It returns converted value, conversion factor and same value in liters from the 3 values you provide.

What values does the Volume Converter start with?

It opens with value 1, from US gallons and to Liters so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.

Is the Volume Converter free and private?

Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.

Can I rely on the Volume Converter for important decisions?

Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.