Formula to convert 7.2 liters to gallons is to multiply 7.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 7.2 Liters to Gallons results
7.2 x 0.264172052 = 1.90203877728
7.2 l = 1.9 gal
To conclude the answer for 7.2 liters is one point nine gallons