E. WIDTH: "the breath of it shall be fifty cubits" Now, with our familiar cubit of 18 inches we can also determine the width (breath) of the Ark of Noah. Window / ,- ,-------~~~~~-------, The Math: | <---`------\~~~~~/------'---> ~~~~~~~~~ 45ft. \ \ / / Width: | \ \ / / 50 cubits X 18 in. = 900 in. |_ `----------v----------' 900 in. / 12in. = 75ft. <- - - 75 feet - - -> (Frontview) Height: 30 cubits X 18 in. = 540 in. 540 in. / 12in. = 45ft.