Formula to convert 54 liters to gallons is to multiply 54 by 0.264172 (this is the value for 1 liter to gallon).
Convert 54 Liters to Gallons results
54 x 0.264172052 = 14.2652908296
54 l = 14.27 gal
To conclude the answer for 54 liters is fourteen point twenty seven gallons