{"id":775,"date":"2016-09-30T19:59:28","date_gmt":"2016-09-30T14:29:28","guid":{"rendered":"http:\/\/onlinecivilforum.com\/site\/?p=775"},"modified":"2022-12-13T11:52:39","modified_gmt":"2022-12-13T06:22:39","slug":"units-of-measurement","status":"publish","type":"post","link":"https:\/\/onlinecivilforum.com\/site\/units-of-measurement\/","title":{"rendered":"Units of Measurement"},"content":{"rendered":"

Units of measurement used in past and present surveys are<\/p>\n

For construction work: feet, inches, fractions of inches (m, mm)
\nFor most surveys: feet, tenths, hundredths, thousandths (m, mm)
\nFor National Geodetic Survey (NGS) control surveys: meters, 0.1, 0.01, 0.001 m
\n<\/span><\/p>\n

The most-used equivalents are
\n1 meter=39.37 in =3.2808 ft
\n1 rod =1 pole=1 perch=16.5ft(5.029 m)
\n1 engineer\u2019s chain =100 ft =100 links (30.48 m)
\n1 Gunter\u2019s chain= 66 ft (20.11 m) =100
\nGunter\u2019s links(lk)=4 rods=0.020 km<\/p>\n

1 acre=100,000 sq (Gunter\u2019s) links=43,560ft2<\/sup>= 160 rods2<\/sup>=10 sq (Gunter\u2019s) chains=4046.87m2<\/sup>=0.4047 ha<\/p>\n

1 rood=1011.5 m2<\/sup>=40 rods2<\/sup><\/p>\n

1 ha= 10,000 m2<\/sup>=107,639.10 ft2<\/sup>=2.471 acres<\/p>\n

1 arpent=about 0.85 acre, or length of side of 1 square arpent (varies) (about 3439.1 m2<\/sup>)<\/p>\n

1 statute mi=5280 ft=1609.35 m<\/p>\n

1 mi2<\/sup>=640 acres (258.94 ha)
\n1 nautical mi (U.S.)= 6080.27 ft= 1853.248 m<\/p>\n

1 fathom=6 ft (1.829 m)<\/p>\n

1 cubit=18 in (0.457 m)<\/p>\n

1 degree=0.01745 rad=60 min =3600 s
\nsin 1 =0.01745241
\n1 rad = 57.30 degree<\/p>\n","protected":false},"excerpt":{"rendered":"

Units of measurement used in past and present surveys are For construction work: feet, inches, fractions of inches (m, mm) For most surveys: feet, tenths, hundredths, thousandths (m, mm) For National Geodetic Survey (NGS) control surveys: meters, 0.1, 0.01, 0.001 m The most-used equivalents are 1 meter=39.37 in =3.2808 ft 1 rod =1 pole=1 perch=16.5ft(5.029 …<\/p>\n","protected":false},"author":2264,"featured_media":777,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"two_page_speed":[],"footnotes":""},"categories":[26],"tags":[166],"class_list":["post-775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gendral-civil-engineering","tag-measurement"],"yoast_head":"\nUnits of Measurement<\/title>\n<meta name=\"description\" content=\"Units of measurement used in past and present surveys are For construction work: feet, inches, fractions of inches (m, mm) For most surveys: feet,\" \/>\n<meta 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