Formula to convert 12.2 liters to gallons is to multiply 12.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 12.2 Liters to Gallons results
12.2 x 0.264172052 = 3.22289903928
12.2 l = 3.22 gal
To conclude the answer for 12.2 liters is three point twenty two gallons