https://community.graphisoft.com/t5/Collaboration-with-other/Roof-Eaves-Gutter-amp-Downpipe-Sizing-Calculators/m-p/110209#M10878 Steve,<BR /> <BR /> If you have the SMACMA manual doing the calculations by hand if pretty simple. Fri, 13 Jun 2008 01:36:38 GMT Erich 2008-06-13T01:36:38Z https://community.graphisoft.com/t5/Collaboration-with-other/Roof-Eaves-Gutter-amp-Downpipe-Sizing-Calculators/m-p/110208#M10877 <DIV class="actalk-migrated-content"><T>I don't do these calculations very often and I have lost the software I used to use for this.<BR /> <BR /> Could anyone recommend downloadable software I could use for this?<BR /> <BR /> My search did not turn up what I as looking for.<BR /> <BR /> I just need something convenient to calculate runoff and size the gutters and downspouts.</T></DIV> Thu, 12 Jun 2008 03:16:25 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Roof-Eaves-Gutter-amp-Downpipe-Sizing-Calculators/m-p/110208#M10877 Steve Jepson 2008-06-12T03:16:25Z https://community.graphisoft.com/t5/Collaboration-with-other/Roof-Eaves-Gutter-amp-Downpipe-Sizing-Calculators/m-p/110209#M10878 Steve,<BR /> <BR /> If you have the SMACMA manual doing the calculations by hand if pretty simple. Fri, 13 Jun 2008 01:36:38 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Roof-Eaves-Gutter-amp-Downpipe-Sizing-Calculators/m-p/110209#M10878 Erich 2008-06-13T01:36:38Z