Formula to convert 54.5 liters to gallons is to multiply 54.5 by 0.264172 (this is the value for 1 liter to gallon).
Convert 54.5 Liters to Gallons results
54.5 x 0.264172052 = 14.3973768558
54.5 l = 14.4 gal
To conclude the answer for 54.5 liters is fourteen point four gallons