Formula to convert 19.4 liters to gallons is to multiply 19.4 by 0.264172 (this is the value for 1 liter to gallon).
Convert 19.4 Liters to Gallons results
19.4 x 0.264172052 = 5.12493781656
19.4 l = 5.12 gal
To conclude the answer for 19.4 liters is five point twelve gallons