Formula to convert 5.3 liters to gallons is to multiply 5.3 by 0.264172 (this is the value for 1 liter to gallon).
Convert 5.3 Liters to Gallons results
5.3 x 0.264172052 = 1.40011187772
5.3 l = 1.4 gal
To conclude the answer for 5.3 liters is one point four gallons