Formula to convert 16.9 liters to gallons is to multiply 16.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 16.9 Liters to Gallons results
16.9 x 0.264172052 = 4.46450768556
16.9 l = 4.46 gal
To conclude the answer for 16.9 liters is four point forty six gallons