Formula to convert 63 liters to gallons is to multiply 63 by 0.264172 (this is the value for 1 liter to gallon).
Convert 63 Liters to Gallons results
63 x 0.264172052 = 16.6428393012
63 l = 16.64 gal
To conclude the answer for 63 liters is sixteen point sixty four gallons