Convert LITERS to GALLONS, Free
Type any LITERS value and see the GALLONS result instantly. No button press needed.
How to convert LITERS to GALLONS
Liters and gallons are the two main units for measuring liquid volume in everyday life. Liters are standard in metric countries and used globally for fuel, beverages, and chemical products. US gallons dominate in the United States for fuel, containers, and cooking. One US gallon equals 3.78541 liters, so the conversion is a division by 3.78541 when going from liters to gallons.
The result appears in your browser immediately as you type, with no server involved. Both US gallons and UK imperial gallons (4.54609 liters each) are commonly needed, so confirm which you require before using the figure.
Enter the liter value
Type the volume in liters. Any decimal is fine: 0.5, 3.785, 20, 100.
Select US or UK gallons
Choose whether you want US gallons (3.78541 L each) or UK imperial gallons (4.54609 L each). The default is US gallons.
Read the gallon result
The converted volume appears instantly. 10 liters = 2.642 US gallons or 2.200 UK gallons.
Copy and use
Copy the gallon value for your fuel calculation, recipe, or shipping spec.
Frequently asked questions
How many liters in a US gallon?
3.78541 liters. To convert liters to US gallons, divide by 3.78541.
How many liters in a UK gallon?
4.54609 liters. UK imperial gallons are about 20 percent larger than US gallons.
How many gallons is 20 liters?
20 / 3.78541 = 5.283 US gallons, or 20 / 4.54609 = 4.399 UK gallons.
Why are US and UK gallons different?
The US gallon was defined separately from the British imperial system in the early 19th century. The UK gallon was later standardized to a different value. They diverged and have remained different ever since.
What is a half gallon in liters?
0.5 US gallons = 1.89271 liters.