Formula to convert 25 liters to gallons is to multiply 25 by 0.264172 (this is the value for 1 liter to gallon).
Convert 25 Liters to Gallons results
25 x 0.264172052 = 6.60430131
25 l = 6.6 gal
To conclude the answer for 25 liters is six point six gallons