Question: what is the standard width of a french door?
Answer: The size of a French door will be set by its manufacturer, but generally, it will be between 30-72” in width per door. Usually, they can be bought in increments of 2 inches. French doors are usually sold as a pair of around 120cm, 150cm or 180cm in total. If the doors have sidelights, they could be wider – up to 300cm.