Formula to convert 5.5 gallons to liters is to multiply 5.5 by 3.75841178 (this is the value for 1 gallon to liter).
Convert 5.5 Gallons to Liters results
5.5 x 3.78541178 = 20.81976479
5.5 gal = 20.82 l
It’s simple, the answer for 5.5 gallons is twenty point eight two liters