Formula to convert 99 liters to gallons is to multiply 99 by 0.264172 (this is the value for 1 liter to gallon).
Convert 99 Liters to Gallons results
99 x 0.264172052 = 26.1530331876
99 l = 26.15 gal
To conclude the answer for 99 liters is twenty six point fifteen gallons