How Many Liters in a US Gallon?

Quick Answer
1 US Gallon = 3.785 Liters

1 gal = 3.785 L

Formula

L = gal × 3.785

Conversion Table

US Gallons (gal)Liters (L)
1 gal3.785 L
2 gal7.571 L
5 gal18.927 L
10 gal37.854 L
20 gal75.708 L
50 gal189.27 L
100 gal378.541 L
500 gal1,892.71 L
1,000 gal3,785.41 L

Worked Examples

Convert 5 gal to L:
5 gal × 3.785 = 18.927 L
Convert 10 gal to L:
10 gal × 3.785 = 37.854 L
Convert 50 gal to L:
50 gal × 3.785 = 189.27 L

FAQ

How many Liters are in 1 US Gallon?
There are 3.785 Liters in 1 US Gallon. Formula: L = gal × 3.785.
How to convert US Gallons to Liters?
To convert US Gallons to Liters, multiply the number of US Gallons by 3.785. For example, 10 gal = 37.854 L.
How many Liters are in 100 US Gallons?
There are 378.541 Liters in 100 US Gallons. Calculation: 100 × 3.785 = 378.541.