How do you measure up to this anthropometric skull data?

[Tom Jones]

Average bizygo width is only 140 mm, apparently.

 

[Somerandombroseph]

Not sure which study you’re looking at. The one I seen they say only to exert enough pressure until caliper tips are applied to the zygos. Which is most likely super light pressure and avg was 143mm. I’m 144mm according to this method