1. Units
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2. Computer Time millisecond 10-3 = 1/1,000
microsecond = 1/1,000,000
nanosecond = 1/1,000,000,000
picosecond = 1/1,000,000,000,000
femtosecond = 1/1,000,000,000,000,000
Conversion of Time Units
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3. Computer Units Thousand 103 = 1,000 Kilobyte 210 = 1,024
Million 106 = ,000,000
Megabyte 220 = ,048,576
Billion 109 = ,000,000,000
Gigabyte 230 = ,073,741,824
Trillion 1012 = 1,000,000,000,000
Terabyte 240 = 1,099,511,627,776
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4. Bigger Units Trillion 1012 = 1,000,000,000,000
Terabyte 240 = ,099,511,627,776
Quadrillion 1015 = ,000,000,000,000,000
Petabyte = ,125,899,906,842,624
Quintillion = ,000,000,000,000,000,000
Exabyte 260 = ,152,921,504,606,846,976
Sextillion = ,000,000,000,000,000,000,000
Zettabyte = ,180,591,620,717,411,303,424
Septillion = 1,000,000,000,000,000,000,000,000
Yottabyte = 1,208,925,819,614,629,174,706,176
Byte Converter – File Size Calculator
How much is 1 byte, kilobyte, megabyte, gigabyte, etc.?
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5. Avoiding confusing
In order to avoid confusion the International Electrotechnical Commision (IEC) developed a set of binary prefixes.
These prefixes were incorporated in the IEC standard in 2008.
These prefixes on slowly coming into common usage.
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6. Binary Prefixes Common Binary Decimal Thousand Kibibyte KiB 2^10
Kilobyte KB
10^3
Million
Mebibyte
MiB
2^20
Megabyte MB
10^6
Billion
Gibibyte
GiB
2^30
Gigabyte GB
10^9
Trillion
Tebibyte
TiB
2^40
Terabyte TB
10^12
Quadrillion
Pedibyte
PiB
2^50
Petabyte PB
10^15
Quintillion
Exbibyte
EiB
2^60
Exabyte EB
10^18
Sextrillion
Zebibyte
ZiB
2^70
Zettabyte ZB
10^21
Septillion
Yobibyte
YiB
2^80
Yottabyte YB
10^24
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