Formula to convert 77.6 liters to gallons is to multiply 77.6 by 0.264172 (this is the value for 1 liter to gallon).
Convert 77.6 Liters to Gallons results
77.6 x 0.264172052 = 20.49975126624
77.6 l = 20.5 gal
To conclude the answer for 77.6 liters is twenty point five gallons