Formula to convert 65.5 liters to gallons is to multiply 65.5 by 0.264172 (this is the value for 1 liter to gallon).
Convert 65.5 Liters to Gallons results
65.5 x 0.264172052 = 17.3032694322
65.5 l = 17.3 gal
To conclude the answer for 65.5 liters is seventeen point three gallons