Formula to convert 45 liters to gallons is to multiply 45 by 0.264172 (this is the value for 1 liter to gallon).
Convert 45 Liters to Gallons results
45 x 0.264172052 = 11.887742358
45 l = 11.89 gal
To conclude the answer for 45 liters is eleven point eighty nine gallons