Formula to convert 34.2 liters to gallons is to multiply 34.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 34.2 Liters to Gallons results
34.2 x 0.264172052 = 9.03468419208
34.2 l = 9.03 gal
To conclude the answer for 34.2 liters is nine point zero three gallons