{"id":4161,"date":"2026-04-01T14:36:44","date_gmt":"2026-04-01T14:36:44","guid":{"rendered":"https:\/\/wordpress.library.illinois.edu\/max\/?page_id=4161"},"modified":"2026-04-01T14:41:53","modified_gmt":"2026-04-01T14:41:53","slug":"calculators-tools","status":"publish","type":"page","link":"https:\/\/wordpress.library.illinois.edu\/max\/from_the_web\/calculators-tools\/","title":{"rendered":"Calculators &amp; Tools"},"content":{"rendered":"<p><a href=\"http:\/\/www.gcmap.com\/\"> Great Circle Distance Calculator<br \/>\n<\/a> Calculate distances using great circles, NOT road distances!<\/p>\n<p><a href=\"https:\/\/www.latlong.net\/lat-long-dms.html\"> Decimal Degrees to Degrees, Minutes, and Seconds <\/a><br \/>\nConverts between decimal degrees and degrees\/minutes\/seconds and back again<\/p>\n<p><a href=\"https:\/\/www.latlong.net\/lat-long-utm.html\"> Lat\/Long to UTM <\/a><br \/>\nConverts latitude\/longitude to UTM and UTM to latitude\/longitude.<\/p>\n<p><a href=\"https:\/\/waml.org\/resources\/toolbox\/maps\/date-codes-for-maps\/\"> Map Date Codes <\/a><br \/>\nPart of the <a href=\"http:\/\/www.waml.org\/maptools.html\"> WAML Map Librarian&#8217;s Toolbox <\/a> .<\/p>\n<p><a href=\"http:\/\/www.convert-me.com\/en\/convert\/length\"> Online Distance and Length Conversion <\/a><br \/>\nConvert modern and ancient distance measures.<\/p>\n<p><a href=\"http:\/\/www.lib.utexas.edu\/maps\/cartographic_reference.html\"> Cartographic Reference Resources <\/a><br \/>\nAmong other resources, includes map projections and map scales. Compiled by the map library at the University of Texas at Austin.<\/p>\n<p><a href=\"https:\/\/web.archive.org\/web\/20120227062228\/https:\/\/www2.virginia.edu\/igpr\/APAG\/apagoilhistory.html\"> Oil Company Chronologies <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Great Circle Distance Calculator Calculate distances using great circles, NOT road distances! Decimal Degrees to Degrees, Minutes, and Seconds Converts between decimal degrees and degrees\/minutes\/seconds and back again Lat\/Long to UTM Converts latitude\/longitude to UTM and UTM to latitude\/longitude. Map Date Codes Part of the WAML Map Librarian&#8217;s Toolbox . Online Distance and Length Conversion [&hellip;]<\/p>\n","protected":false},"author":90,"featured_media":0,"parent":10,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4161","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/pages\/4161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/users\/90"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/comments?post=4161"}],"version-history":[{"count":2,"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/pages\/4161\/revisions"}],"predecessor-version":[{"id":4163,"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/pages\/4161\/revisions\/4163"}],"up":[{"embeddable":true,"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/pages\/10"}],"wp:attachment":[{"href":"https:\/\/wordpress.library.illinois.edu\/max\/wp-json\/wp\/v2\/media?parent=4161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}