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과학

야드파운드법

kabbala 2012.11.13 20:44
1824년 영국 의회가 입법하고 다음해 1825년 실시된 Weights and Measures Act에서 정의한 도량형 단위. Imperial units라고도 함.

thou(th)
inch(in) = 1000 thou
foot(ft) = 12 inches
yard(yd) = 3 feet
chain(ch) = 22 yards
furlong(fur) = 10 chains
mile(mi) = 8 furlongs
league(lea) = 3 miles

fathom(ftm) = 2 yards
cable = 100 fathoms
nautical mile = 10 cables

link = 7.92 inches
rod = 25 links
chain = 4 rods

perch = 1 rod x 1 rod
rood = 1 furlong x 1 rod = 40 perch
acre = 1 furlong x 1 chain = 4 rood = 160 perch

fluid ounce(fl oz)
gill(gi) = 5 ounce
pint(pt) = 4 gil
quart(qt) = 2 pint
gallon(gal) = 40 quart

grain(gr) = 1/7000 pound 곡식의 낱알에서 유래
drachm(drc)
ounce(oz) = 16 drachm
pound(lb) = 16 ounce
stone(st) = 14 pound
quarter(qtr) = 2 stone = 28 pound
hundredweight(cwt) = 4 quarter = 112 pound
ton(t) = 20 hundredweight = 2240 pound

참고:
http://en.wikipedia.org/wiki/Imperial_measure
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