Formula to convert 16.3 liters to gallons is to multiply 16.3 by 0.264172 (this is the value for 1 liter to gallon).
Convert 16.3 Liters to Gallons results
16.3 x 0.264172052 = 4.30600445412
16.3 l = 4.31 gal
To conclude the answer for 16.3 liters is four point thirty one gallons