> Bernhard, > > No doubt Ron is up for the challenge, but just in case, here is a > do-it-yourself option: > > http://www.worldwidemetric.com/metcal.htm In a spreadsheet, define a column as type fraction and either type or cut and paste in the numbers I posted there. The next column will have =RC[-1]*25.4 and will be defined as type number. How tough is that? Ron N
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