This calculator will allow you to easily convert from metric system to US system (mm to inches) as well as from US system to metric system.
http://www.woodturnersresource.com/extras/projects/inch-cm.html
Date:2010-07-07, Google PR:-1
A simple way to find the angle and length of pieces for use in segmented turning
http://www.woodturnersresource.com/extras/projects/segmentcalc/index.html
Date:2010-07-07, Google PR:-1
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Opens links in new window. Web sites that link back to Woodturning Learning Center (TPT).