How many feet is in the American flag?

The dimensions of the American flag are typically 3 feet by 5 feet for the standard size used for display, but there are various sizes available. The official proportions of the flag are 1:1.9, meaning for every foot in height, it is 1.9 feet long. Larger flags, such as those used for ceremonial purposes or at large public displays, can measure much larger, such as 20 feet by 30 feet or more.