Kevin Wampler wrote:
> For entirely boring reasons, I was looking at the table of hat size 
> conversions appropriately located at http://hatsizes.com/
> 
> I used a simple regression to reverse engineer the equation from this 
> table, and it seems to be:
> 
> US_size = circumference_inches / pi + 0.037
> 
> So, the division by pi makes sense to me, but does anyone have any idea 
> where the + 0.037 comes from?

Maybe they allow for some hair in addition to the scull diameter (?)

-- 
Tor Olav
http://subcube.com

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