Formula to convert 84 liters to gallons is to multiply 84 by 0.264172 (this is the value for 1 liter to gallon).
Convert 84 Liters to Gallons results
84 x 0.264172052 = 22.1904524016
84 l = 22.19 gal
To conclude the answer for 84 liters is twenty two point nineteen gallons