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chain (engineer's)
Symbol:  ch
Category:  Length
SI Equivalent:  30.48 m
Dimension
System:  US

Notes
Surveyor's unit of length.
 1 chain (engineer's) = 1/6.6 furlong (US) = 6 rods = 100 feet = 100 links (US)
Convert     ch
1 ch =
 Length Symbol Unit Name 5.75989×1011 a.u., a0, b a.u. of length 3.048×1011 Å angstrom 1.04783×105 arcmin arcmin 2.03746×10-10 AU, UA astronomical unit 3.048×1019 am attometer 3600 barleycorn (UK) 5.75989×1011 a0, b bohr (first Bohr radius) 0.833333 bolt (US cloth) 1.44×104 line (UK) button (UK) 4.8×104 line (US) button (US) 0.164579 cable length (int.) 0.164474 cable length (UK) 0.138889 cable length (US) 1.2×105 caliber, cin caliber (centiinch) 3048 cm centimeter 1.51515 ch chain (Gunter's) 1 ch chain (Ramsden's) 1.51515 ch chain (surveyor's) 66.6667 cubit (UK) 3.048 dam decameter 304.8 dm decimeter 1.08164×1016 re electron classical radius 26.6667 ell 7227.03 ems (pica) 3.048×10-17 Em exameter 16.6667 fath fathom 3.048×1016 fm femtometer 3.048×1016 F, f fermi 5.75989×1011 a0, b, a.u. first Bohr radius 100 ft foot 9.14401×104 fr French 0.151515 fur furlong (UK) 0.151515 fur furlong (US) 3.048×10-8 Gm gigameter 300 hd hand (UK) 0.3048 hm hectometer 3.22181×10-24 hubble 1200 in inch 3.048×10-2 km kilometer 9.87789×10-19 kpc kiloparsec 6.31448×10-3 league (Canadian) 5.48596×10-3 leag. (int. naut.) league (int. naut.) 6.31313×10-3 leag. (stat.) league (statute, land) 5.48246×10-3 leag. (UK, naut.) league (UK, naut.) 5.48246×10-3 leag. (US, naut.) league (US, naut.) 1.17674×10-12 light-day 2.82418×10-11 light-hour 1.69451×10-9 light-minute 1.0167×10-7 light-second 3.22181×10-15 ly light-year 1.44×104 line (UK) line (UK) 4.8×104 line (US) line (US) 100 link (engineer's) 151.515 link (Gunter's) 100 link (Ramsden's) 151.515 link (surveyor's) 3.048×10-5 Mm megameter 30.48 m meter 1.2×109 µin microinch 3.048×107 µm micron 1.2×106 mil, thou mil (thou) 4.10694×10-3 mile (geogr.) mile (geographical) 1.89393×10-2 mi (int.) mile (international) 1.64579×10-2 mi (naut., int.) mile (nautical, international) 1.64284×10-2 mi (naut., teleg.) mile (nautical, telegraph) 1.64474×10-2 mi (naut., UK, US) mile (nautical, UK, US) 1.89394×10-2 mi (stat.) mile (statute, land) 1.89393×10-2 mi (survey, US) mile (survey, US) 3.048×104 mm millimeter 3.048×1010 mµ, nm millimicron 133.333 nail (UK) 3.048×1010 nm nanometer 1.64579×10-2 mi (int. naut.) nautical mile (international) 1.64474×10-2 mi (UK, US, naut.) nautical mile (UK, US) 40 pace (UK) 400 palm (UK) 9.87789×10-16 pc parsec 6.06061 rd perch (rod, pole) 3.048×10-14 Pm petameter 7227 pica 3.048×1013 pm picometer 8.67239×104 point (US printer's) 6.06061 rd pole (rod, perch) 3.048×10-6 quadrant 6.06061 rd rod (perch, pole) 5 rope (UK) 133.333 span 3.048×10-11 Tm terameter 1.2×106 thou, mil thou (mil) 3.04736×1014 UX, X X-unit 33.3333 yd yard 3.048×1025 ym yoctometer 3.048×10-23 Ym yottameter 3.048×1022 zm zeptometer 3.048×10-20 Zm zettameter