If you are 179cm, do people usually say they are 180cm?

During my health checkups,
it usually comes out as 178.3, 179.1, 178.8, etc...
Since it's never hit 180, haha, I just say I'm 179.
But to me, the numerical gap between 179 and 180 feels very large.
I just can't bring myself to say I'm 180.