Formula to convert 20.7 liters to gallons is to multiply 20.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 20.7 Liters to Gallons results
20.7 x 0.264172052 = 5.46836148468
20.7 l = 5.47 gal
To conclude the answer for 20.7 liters is five point forty seven gallons