Formula to convert 7.7 liters to gallons is to multiply 7.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 7.7 Liters to Gallons results
7.7 x 0.264172052 = 2.03412480348
7.7 l = 2.03 gal
To conclude the answer for 7.7 liters is two point zero three gallons