How Many Liters in a US Gallon?

Quick Answer
1 US Gallon = 3.78541 Liters

1 gal = 3.78541 L

3.78541

≈ 3 25/32 L

Formula

L = gal × 3.78541

The calculator multiplies each gal value by 3.78541. For the reverse direction, divide L by 3.78541; equivalently, 1 L = 0.26417218 gal.

Conversion Table

US Gallons (gal)Liters (L)
1 gal3.78541 L
2 gal7.57082 L
5 gal18.92705 L
10 gal37.8541 L
20 gal75.7082 L
50 gal189.2705 L
100 gal378.541 L
500 gal1,892.705 L
1,000 gal3,785.41 L

Worked Examples

Convert 5 gal to L:
5 gal × 3.78541 = 18.92705 L
Convert 10 gal to L:
10 gal × 3.78541 = 37.8541 L
Convert 50 gal to L:
50 gal × 3.78541 = 189.2705 L

FAQ

How many Liters are in 1 US Gallon?
There are 3.78541 Liters in 1 US Gallon. Formula: L = gal × 3.78541.
How to convert US Gallons to Liters?
To convert US Gallons to Liters, multiply the number of US Gallons by 3.78541. For example, 10 gal = 37.8541 L.
How many Liters are in 100 US Gallons?
There are 378.541 Liters in 100 US Gallons. Calculation: 100 × 3.78541 = 378.541.