Formula to convert 25.2 liters to gallons is to multiply 25.2 by 0.264172 (this is the value for 1 liter to gallon).
Convert 25.2 Liters to Gallons results
25.2 x 0.264172052 = 6.65713572048
25.2 l = 6.66 gal
To conclude the answer for 25.2 liters is six point sixty six gallons