Formula to convert 11.9 liters to gallons is to multiply 11.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 11.9 Liters to Gallons results
11.9 x 0.264172052 = 3.14364742356
11.9 l = 3.14 gal
To conclude the answer for 11.9 liters is three point fourteen gallons