Patrono:Conversions de Longitude
Non revidite
| Nomine del unitate | Symbolo | Definition | Relation al unitates del SI |
|---|---|---|---|
| ångström | Å | = 1×10-10 m | = 0,1 nm |
| astronomic unitate | AU | ≈ Distantia ab Terra al Sol | ≈ 149 597 871 464 m [1] |
| bohr, unitate atomic de longitude | a0 | = Bohr radio de hydrogeno | ≈ 5,291 772 0859×10-11 ± 3,6×10-20 m [2] |
| cablo, longitude de (Imperial) | = 608 ft | ≈ 185,3184 m | |
| cablo, longitude de (International) | = 1/10 nmi | = 185,2 m | |
| cablo, longitude de (S.U.A.) | = 720 ft | = 219,456 m | |
| catena (de agrimensor) | ch | = 66 ft(S.U.A) = 4 virgas [3] | ≈ 20,116 84 m |
| clavo (drappo) | = 2¼ in [4] | = 0,057 15 m | |
| cubito (H) | = Distantia ab digitos a cubito ≈ 18in | ≈ 0,5 m | |
| digito | = 7/8 in | = 0,022 225 m | |
| digito (drappo) | = 4½ in | = 0,1143 m | |
| fathom | fm | = 6 ft [4] | = 1,8288 m |
| fermi | fm | = 1×10-15 m [4] | = 1×10-15 m |
| furlong | fur | = 10 catenas = 660 ft = 220 yd [4] | = 201,168 m |
| lega (terra) | lea | = 3 millias [3] | = 4 828,032 m |
| ligamine (de Gunter; de agrimensor) | lnk | = 1/100 ch [4] = 0,66 ft = 7,92in | = 0,201 168 m |
| ligamine (de Ramsden; de Ingeniero) | lnk | = 1 ft [4] | = 0,3048 m |
| linea | ln | = 1/12 in [5] | = 0,002 116 m |
| Die luminal | = 24 horas luminal | = 2,590 206 837 12×1013 m | |
| Hora luminal | = 60 minutas luminal | = 1,079 252 8488×1012 m | |
| Minuta luminal | = 60 Secundas luminal | = 1,798 754 748×1010 m | |
| Secunda luminal | = Distantia lumine propaga in un secunda in vacuo | = 299 792 458 m | |
| Anno luminal | l.y. | = Distantia lumine propaga in vacuo in 365,25 dies [6] | = 9,460 730 472 5808×1015 m |
| mano | = 4 in [4] | = 0,1016 m | |
| metro (unitate de base del SI) | m | = Distantia lumine propaga in 1/299 792 458 secunda in vacuo.[7] ≈ distantia ab equator a polo/10 000 000 | = 1 m |
| micron | µ | = 1×10-6 m | |
| mil; thou | mil | = 1×10-3 in | = 2,54×10-5 m |
| millia (international) | mi | = 80 catenas = 5280 pedes = 1760 yd | = 1 609,344 m |
| millia (tactical o data) | = 6000 ft | = 1828,8 m | |
| millia (S.U.A. Survey) | mi | = 5280 ft (US Survey pedes) = (5280 × 1200/3937) m | ˜ 1 609,347 219 m |
| lega nautic | NL; nl | = 3 nmi [4] | = 5556 m |
| millia nautic (Admiralty) | NM (Adm); nmi (Adm) | = 6080 ft | = 1853,184 m |
| millia nautic (international) | NM; nmi | = 1852 m [8] | = 1852 m |
| millia nautic (US pre 1954) | = 1853,248 m | = 1853,248 m | |
| passo | = 2,5 ft [4] | = 0,762 m | |
| palma | = 3 in [4] | = 0,0762 m | |
| parsec | pc | Distantia de stella con parallax cambiamento de un arc secunda ab un base de un astronomic unitate | ≈ 3,085 677 82×1016 ± 6×106 m [9] |
| pede (anglese: foot) (International) | ft | = 1/3 yd = 0,3048 m = 12 in | = 0,3048 m |
| pede (S.U.A. Survey) | ft (US) | = 1200/3937 m [10] | ≈ 0,304 800 610 m |
| pica | = 12 punctos | Depende de puncto | |
| puncto (american, anglese) [11][12] | pt | = 1/72,272 in | ≈ 0,000 351 450 m |
| puncto (Didot; europee) [12][13] | pt | = 1/12 × 1/72 of pied du roi; post 1878: = 5/133 cm |
˜ 0,000 375 97 m; post 1878: ˜ 0,000 375 939 85 m |
| puncto (PostScript) [11] | pt | = 1/72 in | = 0,000 352 7 m |
| puncto (TeX) [11] | pt | = 1/72,27 in | = 0,000 351 4598 m |
| quarto | = ¼ yd | = 0,2286 m | |
| span (H) | = 9 in [4] | = 0,2286 m | |
| spat [14] | = 1×1012 m | ||
| stigma; bicron (picometro) | pm | = 1×10-12 m | |
| twip | twp | = 1/1440 in | = 1,7638×10-5 m |
| uncia (anglese: inch) (International) | in | = 1/36 yd = 1/12 ft | = 0,0254 m |
| virga | rd | = 16½ ft | = 5,0292 m |
| x unitate; siegbahn | xu | ≈ 1,0021×10-13 m [4] | |
| yard (International) | yd | = 0,9144 m [10] = 3 ft = 36 in | = 0,9144 m |
- ↑ United States Naval Observatory. (2009). Selected Astronomical Constants, 2009. Accessed May 10, 2009
- ↑ "NIST Reference on Constants, Units, and Uncertainty."(2006). National Institute of Standards and Technology. Retrieved February 22, 2008.
- 1 2 National Institute of Standards and Technology General Tables of Units of Measurement
- 1 2 3 4 5 6 7 8 9 10 11 12 Lide, D. (Ed.). (1990). Handbook of Chemistry and Physics (71st ed). Boca Raton, FL: CRC Press. Section 1.
- ↑ Klein, Herbert Arthur. (1988). The Science of Measurement: a Historical Survey. Mineola, NY: Dover Publications 0-4862-5839-4.
- ↑ The International Astronomical Union and Astronomical Units
- ↑ The International System of Units, Section 2.1, Bureau International des Poids et Mesures http://www.bipm.org/en/si/si_brochure/chapter2/2-1/
- ↑ International System of Units, 8th ed. (2006), Bureau International des Poids et Mesures, Section 4.1 Table 8.
- ↑ P. Kenneth Seidelmann, Ed. (1992). Explanatory Supplement to the Astronomical Almanac. Sausalito, CA: University Science Books. p. 716 and s.v. parsec in Glossary.
- 1 2 National Bureau of Standards. (June 30, 1959). Refinement of values for the yard and the pound. Federal Register, viewed September 20, 2006 at National Geodetic Survey web site.
- 1 2 3 Whitelaw, Ian. (2007). A Measure of All Things: The Story of Man and Measurement. New York: Macmillan 0-312-37026-1. p. 152.
- 1 2 De Vinne, Theodore Low (1900). The practice of typography: a treatise on the processes of type-making, the point system, the names, sizes, styles and prices of plain printing types 2nd ed. New York: The Century Co. p. 142–150.
- ↑ Pasko, Wesley Washington (1894). American dictionary of printing and bookmaking. (1894). New York: Howard Lockwood. p. 521.
- ↑ http://www.unc.edu/~rowlett/units/index.html