Formula to convert 45.9 liters to gallons is to multiply 45.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 45.9 Liters to Gallons results
45.9 x 0.264172052 = 12.12549720516
45.9 l = 12.13 gal
To conclude the answer for 45.9 liters is twelve point thirteen gallons