KB and also kB refer to kilobyte - a unit of information or computer storage same to one of two people 1,024 bytes (210) or 1,000 bytes (103), depending on context.

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MB refers to megabyte - a unit of information or computer storage same to one of two people 1,048,576 bytes (220) or 1,000,000 bytes (106), relying on context. A megabyte has around 1,000 (or 1,024 to it is in precise) kilobytes.

Comparison chart

KB versus MB comparison graph
KBMBStands for
Kilobyte Megabyte

Difference in between kB and also kb, MB and also Mb

kb is kilobits and kB is kilobytes. When MB is megabytes, Mb refers to Megabits. 1 byte has actually 8 bits. File sizes space usually expressed in KB and also MB conversely, kb and Mb are frequently used to express data deliver speeds (such together a 54 Mbps wireless router or 3G or 4G link speeds).

All devices of info volume

A little is the the smallest unit of information. The is either a 0 or 1. A byte is the following smallest unit, and also is equal to 8 bits. All other units of info are acquired from bits and bytes, and represent a certain variety of bits (or bytes).

Each unit includes a prefix and also suffix. The suffix denotes even if it is the unit is representing bits or bytes; the prefix denotes how numerous bits/bytes are being conveyed. There are two types of prefixes:

Kilo-, mega-, giga-, tera-, peta-: these room the prefixes many widely used. They denote aggregations in systems of 1,000. Kilo- is 10001 Mega- is 10002 i.e., 1 million Giga- is 10003 i.e., 1 exchange rate Tera- is 10004 i.e., 1 sunshine Peta- is 10005 i.e., 1 quadrillion Kibi-, mebi-, gibi-, tebi-, pebi-:these prefixes signify aggregations in units of 1024. Since computing offers a binary system, the totals for systems of storage are constantly in strength of 2. 1024 is 210. Kibi- is 10241 Mebi- is 10242 Gibi- is 10243 Tebi- is 10244 Pebi- is 10245

Applying this sample we deserve to see that

Unit Base strength Value
Kilobit (Kb or kb) 1000 1 1000 bits
Megabit (Mb) 1000 2 10002 bits; or 1000 kilobits
Gigabit (Gb) 1000 3 10003 bits; or 1000 megabits
Terabit (Tb) 1000 4 10004 bits; or 1000 gigabits
Kilobyte (KB or kB) 1000 1 1000 bytes
Megabyte (MB) 1000 2 10002 bytes; or 1000 kilobytes
Gigabyte (GB) 1000 3 10003 bytes; or 1000 megabytes
Terabyte (TB) 1000 4 10004 bytes; or 1000 gigabytes
Kibibyte (KiB) 1024 1 1024 bytes
Mebibyte (MiB) 1024 2 10242 bytes; or 1024 kibibytes
Gibibyte (GiB) 1024 3 10243 bytes; or 1024 mebibytes
Tebibyte (TiB) 1024 4 10244 bytes; or 1024 gibibytes

Kbps vs. Mbps and Other Data rate Units

Data rate units are represented as information per second. Because that example, Kilobits per second provides the price kbps, kbit/s or kb/s; Kilobytes per second is created as kB/s and also Mbps represents Megabit per second.

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The notation follows this convention:

usage lower-case b for bits and upper-case B for bytes. E.g. MB/s is megabyte per 2nd and Mbps is megabit per second. K stands for kilo and may be offered in upper or lower case. M means mega, G because that giga, T for tera. Therefore 1 Gbps is 1 gigabit per second. This units space aggregated in multiples that 1000. Ki stands for kibi, for this reason KiB/s is kibibytes per second while Kib/s or Kibit/s is kibibit per second. Similarly Mi represents Mebi, Gi for Gibi, and Ti because that Tebi. The units are aggregated in strength of 2, specifically 210.SymbolNamebit per second
bit/sbit every second1
B/sbyte per second8
kbit/skilobit per second1,000
Kibit/skibibit per second1,024
kB/skilobyte per second8,000
KiB/skibibyte every second8,192
Mbit/smegabit per second1,000,000
Mibit/smebibit per second1,048,576
MB/smegabyte per second8,000,000
MiB/smebibyte every second8,388,608
Gbit/sgigabit per second1,000,000,000
Gibit/sgibibit per second1,073,741,824
GB/sgigabyte every second8,000,000,000
GiB/sgibibyte every second8,589,934,592
Tbit/sterabit every second1,000,000,000,000
Tibit/stebibit per second1,099,511,627,776
TB/sterabyte per second8,000,000,000,000
TiB/stebibyte per second8,796,093,022,208