Formula to convert 1.7 liters to gallons is to multiply 1.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 1.7 Liters to Gallons results
1.7 x 0.264172052 = 0.44909248908
1.7 l = 0.45 gal
To conclude the answer for 1.7 liters is zero point forty five gallons