Formula to convert 77.4 liters to gallons is to multiply 77.4 by 0.264172 (this is the value for 1 liter to gallon).
Convert 77.4 Liters to Gallons results
77.4 x 0.264172052 = 20.44691685576
77.4 l = 20.45 gal
To conclude the answer for 77.4 liters is twenty point forty five gallons