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.
Normal height of garage door.
As for the height it is 7 or 8 feet.
Standard garage door sizes range from single doors to commercial doors.
Single garage doors are a height of 7 feet with widths from 8 to 10 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.
If you have an rv the door can go up to 10 feet.
Rv garage doors are taller with a height of 8 to 9 feet and width of 16.
This is for a normal home with a normal car truck suv or van parked inside.
Then the garage door would be 6 x 6 6.
2 a double door.
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.
Use a step ladder to more easily measure the ceiling height.
Measure the backroom the distance from the garage door opening to the back wall of the garage.
Double garage doors have a width of 12 to 16 feet.
For an approximately 12 x 22 detached garage or one attached to your house the most common width is 8 or 9 feet as for the height it is 7 or 8 feet however in terms of height it can go up to 12 feet to accommodate an rv.
Custom doors range per home.
For a shed the best size for installing a garage door is 8 x 14 feet.