Volume Converter
Volume converter: liters, milliliters, gallons, quarts, pints, cups, fluid ounces, cubic meters, cubic feet and more.
How to use this calculator
- Type the value you want to convert.
- Choose the unit you are converting from and the one you want.
- Read the result, or the full table of equivalent units below.
Convert between metric volumes (L, mL, µL, m³, dm³, cm³), US customary units (gallon, quart, pint, cup, fluid ounce), the imperial gallon and cubic feet and inches.
A liter equals one cubic decimeter, and a milliliter one cubic centimeter. The US gallon (3.785 L) is smaller than the imperial gallon (4.546 L).
Conversion formula
1 gal = 3.78541 L · 1 L = 0.264172 gal
Common conversions: US gallon → liter
| gal | L |
|---|---|
| 1 gal | 3.78541 L |
| 2 gal | 7.57082 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 20 gal | 75.7082 L |
| 50 gal | 189.271 L |
| 100 gal | 378.541 L |
| 1 000 gal | 3 785.41 L |
Frequently asked questions
How many liters are in a gallon?
1 US gallon = 3.78541 L; 1 imperial gallon = 4.54609 L.
How many mL are in a cup?
1 US cup = 236.588 mL.