I know (in the case of engineering anyway; I would hold joules are more used in science). I accept the convenience of Wh. The problem comes with Wh/x, where x i

I know (in the case of engineering anyway; I would hold joules are more used in science). I accept the convenience of Wh. The problem comes with Wh/x, where x is any unit of time. Why not cancel the h/x for a dimensionaless factor in this case?