Formula to convert 63.5 liters to gallons is to multiply 63.5 by 0.264172 (this is the value for 1 liter to gallon).
Convert 63.5 Liters to Gallons results
63.5 x 0.264172052 = 16.7749253274
63.5 l = 16.77 gal
To conclude the answer for 63.5 liters is sixteen point seventy seven gallons