UV and Vitamin D calculators

A nice user-friendly spreadsheet to estimate your vitamin D level can be downloaded if you have Microsoft Excel

CLICK HERE for spreadsheet

Here is the spreadsheet with VitaminDWiki founder's location, skin color, age, and weight, in 2011
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There are several UV calculators on the web

The following is an image of the web page -
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2005 PDF describing the details of the calculator
2006 PDF

CLICK HERE for a UV calculator from Norway

The following is another image of the web page
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CLICK HERE for the Healthy D UV calculator from Norway

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Free Vitamin D evaluation service from Germany calculates how much D you need based on how you feel.

Need to add vitamin D for each of the following reasons

IU of vitamin D to add vs X

Unhealthy people need even more vitamin D

And - the blood levels vary by 4X between individuals.


See also VitaminDWiki

Map of annual solar radiation

Accounts for latitude and clouds, but not altitude (e.g. Colorado)

from http://www.lenzing.com/en/plastics/thermoplastics/artifical-turf/uv-stability.html  

106683 visitors, last modified 18 Jul, 2023,
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