Formula to convert 1.3 gallons to liters is to multiply 1.3 by 3.75841178 (this is the value for 1 gallon to liter).
Convert 1.3 Gallons to Liters results
1.3 x 3.78541178 = 4.921035314
1.3 gal = 4.92 l
It’s simple, the answer for 1.3 gallons is four point nine two liters