Formula to convert 57 liters to gallons is to multiply 57 by 0.264172 (this is the value for 1 liter to gallon).
Convert 57 Liters to Gallons results
57 x 0.264172052 = 15.0578069868
57 l = 15.06 gal
To conclude the answer for 57 liters is fifteen point zero six gallons