Formula to convert 80.9 liters to gallons is to multiply 80.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 80.9 Liters to Gallons results
80.9 x 0.264172052 = 21.37151903916
80.9 l = 21.37 gal
To conclude the answer for 80.9 liters is twenty one point thirty seven gallons