Formula to convert 51.2 liters to gallons is to multiply 51.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 51.2 Liters to Gallons results
51.2 x 0.264172052 = 13.52560908288
51.2 l = 13.53 gal
To conclude the answer for 51.2 liters is thirteen point fifty three gallons