Formula to convert 8.7 liters to gallons is to multiply 8.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 8.7 Liters to Gallons results
8.7 x 0.264172052 = 2.29829685588
8.7 l = 2.3 gal
To conclude the answer for 8.7 liters is two point three gallons