https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248156#M32353 I would say that in your 'Calculation Units' you have "Extra Accuracy" turned on for your area units.<BR /> <BR /> Barry. Thu, 23 Nov 2017 01:48:45 GMT Barry Kelly 2017-11-23T01:48:45Z https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248155#M32352 <DIV class="actalk-migrated-content"><T>I am looking to calculate surface area of my masonry walls and am getting some strange results. I have no clue what to interpret these as and if there are some settings that control the result. Any advice?</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/73758iDC46CA8E67C8E321/image-size/large?v=v2&amp;px=999" border="0" alt="capture-20171122-172932.png" title="capture-20171122-172932.png" /> Thu, 23 Nov 2017 01:35:48 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248155#M32352 David Bearss 2017-11-23T01:35:48Z https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248156#M32353 I would say that in your 'Calculation Units' you have "Extra Accuracy" turned on for your area units.<BR /> <BR /> Barry. Thu, 23 Nov 2017 01:48:45 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248156#M32353 Barry Kelly 2017-11-23T01:48:45Z https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248157#M32354 Yup that was it.<BR /> Didn't even know that was there.<BR /> thanks. Sat, 25 Nov 2017 22:19:31 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Wall-surface-units/m-p/248157#M32354 David Bearss 2017-11-25T22:19:31Z