Formula to convert 51.7 liters to gallons is to multiply 51.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 51.7 Liters to Gallons results
51.7 x 0.264172052 = 13.65769510908
51.7 l = 13.66 gal
To conclude the answer for 51.7 liters is thirteen point sixty six gallons