{"id":2815,"date":"2004-09-22T11:39:34","date_gmt":"2004-09-23T01:39:34","guid":{"rendered":"http:\/\/michaelhans.com\/eclecticism\/2004\/09\/22\/1000-millimeters-in-an-inch\/"},"modified":"2019-12-11T09:12:34","modified_gmt":"2019-12-11T17:12:34","slug":"1000-millimeters-in-an-inch","status":"publish","type":"post","link":"https:\/\/michaelhans.com\/eclecticism\/2004\/09\/22\/1000-millimeters-in-an-inch\/","title":{"rendered":"1000 millimeters in an inch"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' data-iawmlf-post-links='[{&quot;id&quot;:10198,&quot;href&quot;:&quot;http:\\\/\\\/www.dhs.gov\\\/dhspublic\\\/display?content=473&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:6664,&quot;href&quot;:&quot;http:\\\/\\\/www.google.com&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20260309014042\\\/https:\\\/\\\/www.google.com\\\/&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-03-09 07:42:11&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-03-16 19:56:46&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-03-24 23:48:45&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-03-29 04:40:19&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-04-01 08:28:11&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-04-05 11:22:22&quot;,&quot;http_code&quot;:200}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-04-05 11:22:22&quot;,&quot;http_code&quot;:200},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:10199,&quot;href&quot;:&quot;http:\\\/\\\/www.google.com\\\/search?hl=en&amp;lr=&amp;ie=UTF-8&amp;safe=off&amp;c2coff=1&amp;q=2.5+millimeters+in+inches&amp;btnG=Search&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;http:\\\/\\\/www.google.com\\\/webhp?hl=en&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:10200,&quot;href&quot;:&quot;http:\\\/\\\/www.google.com\\\/search?hl=en&amp;lr=&amp;ie=UTF-8&amp;safe=off&amp;c2coff=1&amp;q=4+millimeters+in+inches&amp;btnG=Search&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20020813214541\\\/http:\\\/\\\/www.google.com:80\\\/search?hl=en&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-03-11 02:10:10&quot;,&quot;http_code&quot;:200}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-03-11 02:10:10&quot;,&quot;http_code&quot;:200},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:10201,&quot;href&quot;:&quot;http:\\\/\\\/www.google.com\\\/search?q=10+millimeters+in+inches&amp;ie=UTF-8&amp;oe=UTF-8&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/www.google.com\\\/search?q=10%20millimeters%20in%20inches&amp;gws_rd=ssl&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:10202,&quot;href&quot;:&quot;http:\\\/\\\/www.google.com\\\/search?hl=en&amp;lr=&amp;ie=UTF-8&amp;safe=off&amp;c2coff=1&amp;q=20+millimeters+in+inches&amp;btnG=Search&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20020813214541\\\/http:\\\/\\\/www.google.com:80\\\/search?hl=en&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-03-11 02:10:25&quot;,&quot;http_code&quot;:200}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-03-11 02:10:25&quot;,&quot;http_code&quot;:200},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:8822,&quot;href&quot;:&quot;http:\\\/\\\/click.linksynergy.com\\\/fs-bin\\\/click?id=xLsJkztrnNY&amp;offerid=78941.10000002&amp;subid=0&amp;type=4&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;}]'><\/div>\n<p>Okay, I know that the US has, as a whole, been resisting switching over to the metric system (a real shame in my opinion). But still &#8212; you&#8217;d think that the <a href=\"http:\/\/www.dhs.gov\/dhspublic\/display?content=473\" title=\"Frequently Asked Questions about Citizen Preparedness\">Department of Homeland Security would be a little more informed than they appear to be<\/a>&#8230;<\/p>\n<blockquote><p>\n  <strong>Is there a particular type (brand) of duct tape that citizens should buy?<\/strong><\/p>\n<p>  The Federal Emergency Management Agency recommends using duct tape with a minimum thickness of <strong>10 millimeters (0.01 in)<\/strong>.<\/p>\n<p>  <strong>What is the most effective type of plastic sheeting?<\/strong><\/p>\n<p>  FEMA recommends using plastic sheeting with a thickness of <strong>10 millimeters (0.01 in.)<\/strong>. \u00a0For reference, commercially available sheeting is typically sold at 0.7, 1, 1.2, 1.5, 2, 2.5, 3, 4, 6 and 10 millimeters. But, keep in mind that any type of plastic sheeting, even heavy trash bags, can be better than nothing.<\/p>\n<p>  &#91;&#8230;&#93;<\/p>\n<p>  <strong>What is the science behind the recommendation to seal off rooms?<\/strong><\/p>\n<p>  Duct tape was tested as part of a study on chemical protective clothing materials. In this study, it was concluded that duct tape provided at least a temporary seal against permeation by simulants of common chemical agents, including GB, VX, mustard and pesticides. \u00a0Depending on the chemical agent, duct tape resisted permeation for 3 \u00bd hours to more than 24 hours. \u00a0The study tested duct tape of 10 mil (0.01 in.) thickness. \u00a0Plastic sheeting was tested as part of a test using live chemical warfare agents conducted at the Chemical Defense Establishment in Porton Down, England in 1970. \u00a0Agents tested included H and VX. \u00a0Sheeting of various thickness was tested, including <strong>2.5 millimeters (0.0025 in.)<\/strong>, <strong>4 millimeters (0.004 in.)<\/strong>, <strong>10 millimeters (0.01 in.)<\/strong> and <strong>20 millimeters (0.02 in.)<\/strong>.\n<\/p><\/blockquote>\n<p>For the curious, using <a href=\"http:\/\/www.google.com\/\" title=\"Google\">Google<\/a>&#8216;s handy dandy little calculation function, here&#8217;s the real numbers:<\/p>\n<ul>\n<li><a href=\"http:\/\/www.google.com\/search?hl=en&amp;lr=&amp;ie=UTF-8&amp;safe=off&amp;c2coff=1&amp;q=2.5+millimeters+in+inches&amp;btnG=Search\" title=\"2.5 millimeters in inches\">2.5 millimeters = 0.0984251969 inches<\/a><\/li>\n<li><a href=\"http:\/\/www.google.com\/search?hl=en&amp;lr=&amp;ie=UTF-8&amp;safe=off&amp;c2coff=1&amp;q=4+millimeters+in+inches&amp;btnG=Search\" title=\"4 millimeters in inches\">4 millimeters = 0.157480315 inches<\/a><\/li>\n<li><a href=\"http:\/\/www.google.com\/search?q=10+millimeters+in+inches&amp;ie=UTF-8&amp;oe=UTF-8\" title=\"10 millimeters in inches\">10 millimeters = 0.393700787 inches<\/a><\/li>\n<li><a href=\"http:\/\/www.google.com\/search?hl=en&amp;lr=&amp;ie=UTF-8&amp;safe=off&amp;c2coff=1&amp;q=20+millimeters+in+inches&amp;btnG=Search\" title=\"20 millimeters in inches\">20 millimeters = 0.787401575 inches<\/a><\/li>\n<\/ul>\n<p>Of course, maybe I&#8217;m working from the wrong assumption. Maybe the Government just needs to smack Google around and tell them to get their math right&#8230;<\/p>\n<p>(via Rick)<\/p>\n<p><a href=\"http:\/\/click.linksynergy.com\/fs-bin\/click?id=xLsJkztrnNY&amp;offerid=78941.10000002&amp;subid=0&amp;type=4\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" width=\"61\" height=\"15\" alt=\"iTunes\" src=\"http:\/\/images.apple.com\/itunesaffiliates\/logos\/iTunes_sm_bdg61x15.png\"><\/a> &#8220;Disco Inferno (Soul Solution)&#8221; by Lauper, Cyndi from the album <em>Disco Inferno<\/em> (1999, 7:52).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Okay, I know that the US has, as a whole, been resisting switching over to the metric system (a real shame in my opinion). But still &mdash; you&#8217;d think that the Department of Homeland Security would be a little more informed than they appear to be&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2028],"tags":[6],"class_list":["post-2815","post","type-post","status-publish","format-standard","hentry","category-links","tag-humor"],"_links":{"self":[{"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/posts\/2815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/comments?post=2815"}],"version-history":[{"count":0,"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/posts\/2815\/revisions"}],"wp:attachment":[{"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/media?parent=2815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/categories?post=2815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michaelhans.com\/eclecticism\/wp-json\/wp\/v2\/tags?post=2815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}