Formula to convert 68.8 liters to gallons is to multiply 68.8 by 0.264172 (this is the value for 1 liter to gallon).
Convert 68.8 Liters to Gallons results
68.8 x 0.264172052 = 18.17503720512
68.8 l = 18.18 gal
To conclude the answer for 68.8 liters is eighteen point eighteen gallons