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Gallons to Liters Converter

Convert US gallons to liters instantly. 1 US gallon = 3.78541 liters.

Conversion Formula

liters = US gallons × 3.78541

Gallons to Liters Reference Table

US GallonsLiters
0.5 gal1.893 L
1 gal3.785 L
2 gal7.571 L
5 gal18.927 L
10 gal37.854 L
15 gal56.781 L
20 gal75.708 L
50 gal189.270 L
100 gal378.541 L

Frequently Asked Questions

How many liters are in a US gallon?

1 US gallon equals exactly 3.785411784 liters.

How do I convert gallons to liters?

Multiply US gallons by 3.78541. For example, 5 gallons = 5 × 3.78541 = 18.927 liters.

What is the difference between a US gallon and an imperial gallon?

A US gallon equals 3.78541 liters. An imperial (UK) gallon equals 4.54609 liters. The imperial gallon is about 20% larger.

How many liters is a full gas tank (15 gallons)?

15 US gallons = 15 × 3.78541 = 56.78 liters.

What is 1 liter in gallons?

1 liter = 1 ÷ 3.78541 = approximately 0.2642 US gallons.

For more volume conversions, see the full Volume Converter.