Formula to convert 31.7 liters to gallons is to multiply 31.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 31.7 Liters to Gallons results
31.7 x 0.264172052 = 8.37425406108
31.7 l = 8.37 gal
To conclude the answer for 31.7 liters is eight point thirty seven gallons