Formula to convert 15.2 liters to gallons is to multiply 15.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 15.2 Liters to Gallons results
15.2 x 0.264172052 = 4.01541519648
15.2 l = 4.02 gal
To conclude the answer for 15.2 liters is four point zero two gallons