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Manual Pages  — ORDERS

NAME

orders – orders of magnitude

CONTENTS

DESCRIPTION

The following table lists common multiples of bytes. "Kilobyte" "Prefix" "Power of 2" "Power of 10"
Name Prefix Power of 2 Power of 10

Kilobyte		 kB 2^10 10^3

Megabyte		 MB 2^20 10^6

Gigabyte		 GB 2^30 10^9

Terabyte		 TB 2^40 10^12

Petabyte		 PB 2^50 10^15

Exabyte		 EB 2^60 10^18

Zettabyte		 ZB 2^70 10^21

Yottabyte		 YB 2^80 10^24

Ronnabyte		 RB 2^90 10^27

Quettabyte		 QB 2^100 10^30

The following table lists common bit rates as a power of ten. "Megabit per second" "Prefix" "Bit per second" "Byte per second"
Name Prefix Bit per second Byte per second

Bit per second		 bit/s 1 0.125

Byte per second		 B/s 8 1

Kilobit per second		 kbit/s 10^3 125

Kilobyte per second		 kB/s 8 * 10^3 1000

Megabit per second		 Mbit/s 10^6 125000

Megabyte per second		 MB/s 8 * 10^6 1000000

Gigabit per second		 Gbit/s 10^9 125000000

Gigabyte per second		 GB/s 8 * 10^9 1000000000

Terabit per second		 Tbit/s 10^12 125000000000

Terabyte per second		 TB/s 8 * 10^12 1000000000000

The following table lists common orders of magnitude as a power of ten. "Septillionth" "Order" "Prefix" "Symbol" "Decimal"
Name Order Prefix Symbol Decimal

Nonillionth		 10^-30 quecto q 0.000000000000000000000000000001

Octillionth		 10^-27 ronto r 0.000000000000000000000000001

Septillionth		 10^-24 yocto y 0.000000000000000000000001

Sextillionth		 10^-21 zepto z 0.000000000000000000001

Quintillionth		 10^-18 atto a 0.000000000000000001

Quadrillionth		 10^-15 femto f 0.000000000000001

Trillionth		 10^-12 pico p 0.000000000001

Billionth		 10^-9 nano n 0.000000001

Millionth		 10^-6 micro mu 0.000001

Thousandth		 10^-3 milli m 0.001

Hundredth		 10^-2 centi c 0.01

Tenth		 10^-1 deci d 0.1

One		 10^0 - - 1

Ten		 10^1 deca da 10

Hundred		 10^2 hecto h 100

Thousand		 10^3 kilo k 1000

Million		 10^6 mega M 1000000

Billion		 10^9 giga G 1000000000

Trillion		 10^12 tera T 1000000000000

Quadrillion		 10^15 peta P 1000000000000000

Quintillion		 10^18 exa E 1000000000000000000

Sextillion		 10^21 zetta Z 1000000000000000000000

Septillion		 10^24 yotta Y 1000000000000000000000000

Octillion		 10^27 ronna R 1000000000000000000000000000

Nonillion		 10^30 quetta Q 1000000000000000000000000000000

SEE ALSO

units(1), number(6)

STANDARDS

There have been various attempts to standardize the set of binary prefixes. Organizations such as International Electrotechnical Commission ( IEC) have proposed new prefixes such as "kibi", "mebi", "gibi", and "yobi", but the adoption has been slow at best.

AUTHORS

This manual page was written by Jukka Ruohonen <Mt jruoho@netbsd.org>.
ORDERS (7) November 20, 2022
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