US Gallons to Liters Converter

Multiply US gallons by 3.785411784 to get liters.

1 US gal = 3.785411784 L

Convert liters to US gallons instead

Formula

1 US gal = 3.785411784 L

liters = US gallons × 3.785411784

Worked example

Convert 5 US gallons to liters

  1. Multiply by 3.785411784
  2. 5 × 3.785411784 = 18.9271

5 US gal = 18.9271 L

Good to know

The US gallon is defined as exactly 231 cubic inches. A 5-gallon water jug holds 18.9 L; a 55-gallon drum holds 208 L. If your figure comes from the UK, Canada (older labels) or the Caribbean, it may be an imperial gallon of 4.54609 L.

Conversion table

US gallons to liters conversion table
US gallons (US gal)Liters (L)
0.51.89271
13.78541
27.57082
518.9271
1037.8541
1556.7812
2075.7082
30113.562
50189.271
55208.198
100378.541

About these units

US gallon (US gal)
Defined as 231 cubic inches: exactly 3.785411784 liters.
Liter (L)
One cubic decimeter: the volume of a cube 10 cm on each side.