Formula to convert 57.4 liters to gallons is to multiply 57.4 by 0.264172 (this is the value for 1 liter to gallon).
Convert 57.4 Liters to Gallons results
57.4 x 0.264172052 = 15.16347580776
57.4 l = 15.16 gal
To conclude the answer for 57.4 liters is fifteen point sixteen gallons