Formula to convert 17.9 liters to gallons is to multiply 17.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 17.9 Liters to Gallons results
17.9 x 0.264172052 = 4.72867973796
17.9 l = 4.73 gal
To conclude the answer for 17.9 liters is four point seventy three gallons