Binert prefiks

IEC og ISO hava ásett hesi bineru prefiksini at nýta til stór tøl. Tey eru ásett í standardunum IEC 60027-2 A.2 og ISO/IEC 80000 og eru avleidd frá teimum tilsvarandi desimalu SI-prefiksunum.

IEC-prefiks		Tal					Uppruni (SI-prefiks)
Heiti	Symbol	2m	1024n	Desimaltal	≈ a × 10b		Heiti	Symbol	10b
kibi	Ki	210	10241	1024	= 1,024 × 103		kilo	k	103
mebi	Mi	220	10242	7006104857600000000♠1048576	≈ 1,049 × 106		mega	M	106
gibi	Gi	230	10243	7009107374182400000♠1073741824	≈ 1,074 × 109		giga	G	109
tebi	Ti	240	10244	7012109951162777600♠1099511627776	≈ 1,100 × 1012		tera	T	1012
pebi	Pi	250	10245	7015112589990684260♠1125899906842624	≈ 1,126 × 1015		peta	P	1015
exbi	Ei	260	10246	7018115292150460680♠1152921504606846976	≈ 1,153 × 1018		exa	E	1018
zebi	Zi	270	10247	7021118059162071740♠1180591620717411303424	≈ 1,181 × 1021		zetta	Z	1021
yobi	Yi	280	10248	7024120892581961460♠1208925819614629174706176	≈ 1,209 × 1024		yotta	Y	1024

Samanbering

Prefiks	Binert prefiks býtt við desimalum prefiksi		Desimalt prefiks býtt við binerum prefiksi
kibi - kilo	1,024   (+2,4%)		0,9766   (−2,3%)
mebi - mega	1,049   (+4,9%)		0,9537   (−4,6%)
gibi - giga	1,074   (+7,4%)		0,9313   (−6,9%)
tebi - tera	1,100 (+10,0%)		0,9095   (−9,1%)
pebi - peta	1,126 (+12,6%)		0,8882 (−11,2%)
exbi - exa	1,153 (+15,3%)		0,8674 (−13,3%)
zebi - zetta	1,181 (+18,1%)		0,8470 (−15,3%)
yobi - yotta	1,209 (+20,9%)		0,8272 (−17,3%)

Ávísingar úteftir

• Prefixes for binary multiples