Formula to convert 80.4 liters to gallons is to multiply 80.4 by 0.264172 (this is the value for 1 liter to gallon).
Convert 80.4 Liters to Gallons results
80.4 x 0.264172052 = 21.23943301296
80.4 l = 21.24 gal
To conclude the answer for 80.4 liters is twenty one point twenty four gallons