I tried it twice, once on each of my two different monitors (a Dell S2817Q and Dell S2409W) made a few years apart and with completely different settings; and I

I tried it twice, once on each of my two different monitors (a Dell S2817Q and Dell S2409W) made a few years apart and with completely different settings; and I got 175 on one and 174 on the other. So pretty close even given the difference.