Well normal garage doors measure 8 x 7 feet 9 x 7 feet and 10 x 7 feet all around.
Normal garage door height.
You should reconsider the specifications for your garage door if you have multiple vehicles or a large vehicle to park inside.
2 a double door.
Double car garage doors typically start at 12 feet wide and move.
If you have an rv the door can go up to 10 feet.
Measure the backroom the distance from the garage door opening to the back wall of the garage.
Use a step ladder to more easily measure the ceiling height.
Then the garage door would be 6 x 6 6.
Single garage doors are a height of 7 feet with widths from 8 to 10 feet.
This is for a normal home with a normal car truck suv or van parked inside.
For a garage attached or detached from your house of around 18 x 24 feet most popular width for a garage door is 16 feet.
Custom doors range per home.
Standard single car garage door widths start at 8 feet for single car garages and move up in 12 inch increments to 10 feet wide.
As for the height it is 7 or 8 feet.
For a shed the best size for installing a garage door is 8 x 14 feet.
A garage will need backroom that equals the door height plus 18 inches and possibly more based on the installation of an automatic garage door opener.
Standard garage door sizes range from single doors to commercial doors.