Formula to convert 91 liters to gallons is to multiply 91 by 0.264172 (this is the value for 1 liter to gallon).
Convert 91 Liters to Gallons results
91 x 0.264172052 = 24.0396567684
91 l = 24.04 gal
To conclude the answer for 91 liters is twenty four point zero four gallons