Formula to convert 54.2 liters to gallons is to multiply 54.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 54.2 Liters to Gallons results
54.2 x 0.264172052 = 14.31812524008
54.2 l = 14.32 gal
To conclude the answer for 54.2 liters is fourteen point thirty two gallons