In fill garage door as part of the garage conversion it is likely that the original garage door will be infilled with a new wall and possibly a window or door.
Garage door infill.
Choosing a garage door size.
However a single garage door at eight to nine feet wide and seven to eight feet high is a common measurement for many homes.
The interior will be less complicated largely requiring just drywall as a cover.
Remodeling the garage door area appropriately will make the wall space look original to the house design both inside and out.
Our partners at clopay offer custom garage doors in a variety of sizes.
As the foundation to the existing garage is not likely to be traditional it s probably a shallow slab a new foundation may be needed for the new wall.
If you need a double garage door the typical measurement is 16 ft.