Well normal garage doors measure 8 x 7 feet 9 x 7 feet and 10 x 7 feet all around.
Normal height of garage door.
Double garage doors have a width of 12 to 16 feet.
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.
Custom doors range per home.
Double car garage doors typically start at 12 feet wide and move.
You should reconsider the specifications for your garage door if you have multiple vehicles or a large vehicle to park inside.
If you have an rv the door can go up to 10 feet.
Then the garage door would be 6 x 6 6.
Use a step ladder to more easily measure the ceiling height.
As for the height it is 7 or 8 feet.
This is for a normal home with a normal car truck suv or van parked inside.
Measure the backroom the distance from the garage door opening to the back wall of the garage.
Rv garage doors are taller with a height of 8 to 9 feet and width of 16.
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.
For a shed the best size for installing a garage door is 8 x 14 feet.
2 a double door.
Single garage doors are a height of 7 feet with widths from 8 to 10 feet.