Formula to convert 68.5 liters to gallons is to multiply 68.5 by 0.264172 (this is the value for 1 liter to gallon).
Convert 68.5 Liters to Gallons results
68.5 x 0.264172052 = 18.0957855894
68.5 l = 18.1 gal
To conclude the answer for 68.5 liters is eighteen point one gallons