Formula to convert 77.9 liters to gallons is to multiply 77.9 by 0.264172 (this is the value for 1 liter to gallon).
Convert 77.9 Liters to Gallons results
77.9 x 0.264172052 = 20.57900288196
77.9 l = 20.58 gal
To conclude the answer for 77.9 liters is twenty point fifty eight gallons