A home's front entry doors make the first impression on anyone who visits. Your front entry doors should not only go with the overall design of your home but should also provide a welcoming tone. Security is another consideration when choosing your front entry doors.Measure your existing front entry doors. The standard single door is 32 - 36 inches wide. Extra-wide doors are 42 inches across. You can stay with your existing door size or change the size of your existing door. More here.