Formula to convert 19 liters to gallons is to multiply 19 by 0.264172 (this is the value for 1 liter to gallon).
Convert 19 Liters to Gallons results
19 x 0.264172052 = 5.0192689956
19 l = 5.02 gal
To conclude the answer for 19 liters is five point zero two gallons