Young Blonde Girl Undresses Her Short Jeans Outside At The Old Wooden Door

In public buildings, exterior doors should open to the outside in order to comply with any fire codes that may be in force in that jurisdiction. If the door opens inward and there is a fire, there can be a crush of people who run for the door and they will not be able to open it.
Dimensions
A standard US residential door size is 36" x 80" (0.91 m x 2.03 m).