Formula to convert 13.2 liters to gallons is to multiply 13.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 13.2 Liters to Gallons results
13.2 x 0.264172052 = 3.48707109168
13.2 l = 3.49 gal
To conclude the answer for 13.2 liters is three point forty nine gallons