Formula to convert 10.9 liters to gallons is to multiply 10.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 10.9 Liters to Gallons results
10.9 x 0.264172052 = 2.87947537116
10.9 l = 2.88 gal
To conclude the answer for 10.9 liters is two point eighty eight gallons