Formula to convert 39.5 liters to gallons is to multiply 39.5 by 0.264172 (this is the value for 1 liter to gallon).
Convert 39.5 Liters to Gallons results
39.5 x 0.264172052 = 10.4347960698
39.5 l = 10.43 gal
To conclude the answer for 39.5 liters is ten point forty three gallons