Formula to convert 77.7 liters to gallons is to multiply 77.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 77.7 Liters to Gallons results
77.7 x 0.264172052 = 20.52616847148
77.7 l = 20.53 gal
To conclude the answer for 77.7 liters is twenty point fifty three gallons