Formula to convert 18.7 liters to gallons is to multiply 18.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 18.7 Liters to Gallons results
18.7 x 0.264172052 = 4.94001737988
18.7 l = 4.94 gal
To conclude the answer for 18.7 liters is four point ninety four gallons