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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?
Rounding error.
Regards,
John
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