Formula to convert 25.5 liters to gallons is to multiply 25.5 by 0.264172 (this is the value for 1 liter to gallon).
Convert 25.5 Liters to Gallons results
25.5 x 0.264172052 = 6.7363873362
25.5 l = 6.74 gal
To conclude the answer for 25.5 liters is six point seventy four gallons