Formula to convert 31.1 liters to gallons is to multiply 31.1 by 0.264172 (this is the value for 1 liter to gallon).
Convert 31.1 Liters to Gallons results
31.1 x 0.264172052 = 8.21575082964
31.1 l = 8.22 gal
To conclude the answer for 31.1 liters is eight point twenty two gallons