Formula to convert 20.1 liters to gallons is to multiply 20.1 by 0.264172 (this is the value for 1 liter to gallon).
Convert 20.1 Liters to Gallons results
20.1 x 0.264172052 = 5.30985825324
20.1 l = 5.31 gal
To conclude the answer for 20.1 liters is five point thirty one gallons