Formula to convert 30.7 liters to gallons is to multiply 30.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 30.7 Liters to Gallons results
30.7 x 0.264172052 = 8.11008200868
30.7 l = 8.11 gal
To conclude the answer for 30.7 liters is eight point eleven gallons