maaikromeetar

maaikromeetar lanbaai ki bahut chhoti ikaai hoti hai. iska maan micro-meter hota hai. ise maaikron bhi kaha jaata hai.

SI upasarg
1000n 10n upasarg chinh [1] se laagoo sankhya dashamlav roop SI writing style mein
10008 1024 yotta- yo/Y 1991 das jald 1 000 000 000 000 000 000 000 000
10007 1021 an- an/Z 1991 ank 1 000 000 000 000 000 000 000
10006 1018 ekja- A/E 1975 das shaङakh 1 000 000 000 000 000 000
10005 1015 padm- p/P 1975 padm 1 000 000 000 000 000
10004 1012 tera- te/T 1960 das kharab 1 000 000 000 000
10003 109 arb- a/G 1960 arab 1 000 000 000
10002 106 ad- ad/M 1960 adant 1 000 000
10001 103 sahasr- sr/k 1795 hajaar 1 000
10002/3 102 shat- s/h 1795 sau 100
10001/3 101 dash- the/da 1795 das 10
10000 100 (none) (none) NA ek 1
1000−1/3 10−1 dashi- di/d 1795 Tenth 0.1
1000−2/3 10−2 shati- shi/c 1795 Hundredth 0.01
1000−1 10−3 sahasri- sri/m 1795 Thousandth 0.00 1
1000−2 10−6 sookshm- soo/µ 1960[2] Millionth 0.000 0001
1000−3 10−9 arbi- i/n 1960 Billionth 0.000 000 001
1000−4 10−12 faimto- f/p 1960 Trillionth 0.000 000 000 001
1000−5 10−15 padmi- pi/f 1964 Quadrillionth 0.000 000 000 000 001
1000−6 10−18 etto- a 1964 Quintillionth 0.000 000 000 000 000 001
1000−7 10−21 anki- in/z 1991 Sextillionth 0.000 000 000 000 000 000 001
1000−8 10−24 yokto- y 1991 Septillionth 0.000 000 000 000 000 000 000 001
Notes:
1. 1795 ki tithiyon se uparokt upasarg prayog mein laae jaarahe hain, jabase meetrik pranaali prayog mein I thi . anya tithiyaaain aavashyak roop se pratham prayog ki naheen raheen hain, balaki CGPM ke samjhaute dvaara maanyata ki tithi hain jo ki 1889 mein hua tha .
2. 2. "maikraun" shabd ko CGPM nein 1948 mein anumodit kiya, par 1967-68 mein use radd kar diya.