Quote Originally Posted by psyculman View Post
Not so, you are reading the obtuse side of the angle. I have built a lot of stairs. 7"x11" = 32.47 degrees, google that. (just say'in)
you're correctly measuring the grade in degrees, but the OP measured the grade as a percentage. a 7" rise on 11" run expressed in percent is (7/11)x100 or 63.6%