Formula to convert 10.3 liters to gallons is to multiply 10.3 by 0.264172 (this is the value for 1 liter to gallon).
Convert 10.3 Liters to Gallons results
10.3 x 0.264172052 = 2.72097213972
10.3 l = 2.72 gal
To conclude the answer for 10.3 liters is two point seventy two gallons