Formula to convert 13.7 liters to gallons is to multiply 13.7 by 0.264172 (this is the value for 1 liter to gallon).
Convert 13.7 Liters to Gallons results
13.7 x 0.264172052 = 3.61915711788
13.7 l = 3.62 gal
To conclude the answer for 13.7 liters is three point sixty two gallons