Both a gallon(gal) and a liter(L) are units of capacity.
A gallon is a unit in the US customary and the British imperial systems of measurement is used to measure very large volumes of liquids, while a liter is a metric unit of capacity, formerly defined as the volume of one kilogram of water under standard conditions.
Formula to convert L to gal.
To convert liters to gallons, divide the volume by the conversion ratio which is 3.785.
This is due to the relationship that 1 gal is equivalent to 3.785 liters.
Volume in gal = Volume in L ÷ 3.785
Convert 50 Liters to gallons.
= 50 ÷ 3.785
= 13.2 gallons.