Formula to convert 19.6 liters to gallons is to multiply 19.6 by 0.264172 (this is the value for 1 liter to gallon).
Convert 19.6 Liters to Gallons results
19.6 x 0.264172052 = 5.17777222704
19.6 l = 5.18 gal
To conclude the answer for 19.6 liters is five point eighteen gallons