Formula to convert 78.8 liters to gallons is to multiply 78.8 by 0.264172 (this is the value for 1 liter to gallon).
Convert 78.8 Liters to Gallons results
78.8 x 0.264172052 = 20.81675772912
78.8 l = 20.82 gal
To conclude the answer for 78.8 liters is twenty point eighty two gallons