]> EPSG Units Dictionary 2002-05-29 2002-08-21 John Bobbitt This dictionary is intended for demonstration purposes only. User's may freely access it. No guarantee is given for its accuracy. metre length EPSG abbreviation m The metre is the length equal to 1 650 763.73 wavelengths in vacuum of the radiation corresponding to the transition between the levels 2p10 and 5d5 of the krypton-86 atom. ISO 1000 radian angle EPSG abbreviation rad The radian is the plane angle between two radii of a circle that cut of, on the circumference, an arc equal in length to the radius. ISO 1000 unity dimensionless EPSG abbreviation Euc Unity is also called a Euclid. It is the base dimensionless quanity. POSC foot length EPSG abbreviation ft .3048 US survey foot length EPSG abbreviation ftUS ft_US 12 39.37 Clarke's foot length EPSG abbreviation ftCla ft_Cla 0.304797265 fathom length EPSG abbreviation f 1.8288 Nautical Mile length EPSG abbreviation NM mi_naut 1852 German Legal Metre length EPSG abbreviation GLM m_Ger 1.000013597 US Survey Chain length EPSG abbreviation chUS ch_US 792 39.37 US Survey Link length EPSG abbreviation lkUS lk_US 7.92 39.37 US Survey Mile length EPSG abbreviation miUS mi_US 63360 39.37 kilometre length EPSG abbreviation km 1000 Clarke's yard length EPSG abbreviation ydCla yd_Cla 0.914391795 Clarke's chain length EPSG abbreviation chCla ch_Cla 20.11661949 Clarke's link length EPSG abbreviation lkCla lk_Cla .2011661949 British yard (Sears 1922) length EPSG abbreviation ydSe yd_Se 36 39.370147 British foot (Sears 1922) length EPSG abbreviation ftSe ft_Se 12 39.370147 British chain (Sears 1922) length EPSG abbreviation chSe ch_Se 792 39.370147 British link (Sears 1922) length EPSG abbreviation lkSe lk_Se 7.92 39.370147 British yard (Benoit 1895 A) length EPSG abbreviation ydBnA yd_BnA 0.9143992 British foot (Benoit 1895 A) length EPSG abbreviation ftBnA ft_BnA 0.9143992 3 British chain (Benoit 1895 A) length EPSG abbreviation chBnA ch_BnA 20.1167824 British link (Benoit 1895 A) length EPSG abbreviation lkBnA lk_BnA .201167824 British yard (Benoit 1895 B) length EPSG abbreviation ydBnB yd_BnB 36 39.370113 British foot (Benoit 1895 B) length EPSG abbreviation ftBnB ft_BnB 12 39.370113 British chain (Benoit 1895 B) length EPSG abbreviation chBnB ch_BnB 792 39.370113 British link (Benoit 1895 B) length EPSG abbreviation lkBnB lk_BnB 7.92 39.370113 British foot (1865) length EPSG abbreviation ftBr(65) ft_Br65 0.9144025 3 Indian foot length EPSG abbreviation ftInd ft_Ind 12 39.370142 Indian foot (1937) length EPSG abbreviation ftInd(37) ft_Ind37 0.30479841 Indian foot (1962) length EPSG abbreviation ftInd(62) ft_Ind62 0.3047996 Indian foot (1975) length EPSG abbreviation ftInd(75) ft_Ind75 0.3047995 Indian yard length EPSG abbreviation ydInd yd_Ind 36 39.370142 Indian yard (1937) length EPSG abbreviation ydInd(37) yd_Ind37 0.91439523 Indian yard (1962) length EPSG abbreviation ydInd(62) yd_Ind62 0.9143988 Indian yard (1975) length EPSG abbreviation ydInd(75) yd_Ind75 0.9143985 Statute Mile length EPSG abbreviation mi 1609.344 Gold Coast foot length EPSG abbreviation ftGC ft_GC 6378300 20926201 degree angle EPSG abbreviation deg 3.14159265358979 180 arc-minute angle EPSG abbreviation min 3.14159265358979 10800 arc-second angle EPSG abbreviation sec 3.14159265358979 648000 grad angle EPSG abbreviation gr 3.14159265358979 200 gon angle EPSG abbreviation g 3.14159265358979 200 microradian angle EPSG abbreviation urad X03BCrad 1.0 1000000 centesimal minute angle EPSG abbreviation c 3.14159265358979 20000 centesimal second angle EPSG abbreviation cc 3.14159265358979 2000000 mil 6400 angle EPSG abbreviation mil 3.14159265358979 3200 parts per million dimensionless EPSG abbreviation Euc 1.0 1000000