Formula to convert 79.9 liters to gallons is to multiply 79.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 79.9 Liters to Gallons results
79.9 x 0.264172052 = 21.10734698676
79.9 l = 21.11 gal
To conclude the answer for 79.9 liters is twenty one point eleven gallons