Formula to convert 13.3 liters to gallons is to multiply 13.3 by 0.264172 (this is the value for 1 liter to gallon).
Convert 13.3 Liters to Gallons results
13.3 x 0.264172052 = 3.51348829692
13.3 l = 3.51 gal
To conclude the answer for 13.3 liters is three point fifty one gallons