<html> <body> Michelle, Dave beat me to it but here's a chart you might like to keep handy. I have one similar hanging on a wall in my shop. I can also send it to in Excel if you can open that. Avery                Size      Diameter    App.feet per lb.       W12       .029       440       W12½      .030       415       W13       .031       390       W13½      .032       366       W14       .033       350       W14½      .034       328       W15       .035       306       W15½      .036       290       W16       .037       274       W16½      .038       260       W17       .039       250       W17½      .040       234       W18       .041       223       W18½      .042       212       W19       .043       200       W19½      .044       190       W20       .045       182       W20½      .046       174       W21       .047       165       W21½      .048       160       W22       .049       156       W23       .051       140 At 08:50 AM 6/3/2006, you wrote: <blockquote type=cite class=cite cite=""> Michelle,   That would be correct.  Wire that thick can have a mind of it's own!   Dave Stahl     -----Original Message----- From: Michelle Smith <michelle@cdaustin.com> To: 'Pianotech List' <pianotech@ptg.org> Sent: Sat, 3 Jun 2006 08:43:08 -0500 Subject: RE: wire size <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> Iā€™m new at this game Avery so please tell me if Iā€™m wrong.  I just measured the scrap string I took off the piano at .041.  Am I correct that this would be a size 18?   Itā€™s a giant old piano.   Thanks!   Michelle     <hr> <div align="center"></div> From: pianotech-bounces@ptg.org [<a href="mailto:pianotech-bounces@ptg.org" eudora="autourl"> mailto:pianotech-bounces@ptg.org</a>] On Behalf Of Avery Sent: Saturday, June 03, 2006 8:29 AM To: Pianotech List Subject: RE: wire size   Wow. That seems awfully big for middle C. You sure it wasn't a lower note? Avery Todd University of Houston</blockquote></body> </html>