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Kilobyte (KB) to Megabyte (MB) Conversion

gb to mb

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1 KB is equal to 0.001 MB (in SI, aka the decimal system, or base 10). 

1 KB is equal to 0.0009765625 MB (in the binary system, or base 2).

How many Megabytes (MB) in a Kilobyte (MB)?

1 Kilobyte is equal to 0.001 megabytes (decimal).

In other notation, 1 KB = 10-3 MB in base 10 (SI).

1 Kilobyte is equal to 0.0009765625 megabytes (binary).

Put another way, 1 KB = 2-10 MB in base 2.

Difference Between KB and MB

Megabyte (MB) is greater than Kilobyte (KB). A Megabyte is 1000x bigger than Kilobyte.

Kilobytes (KB) vs Megabytes (MB)

This table might be helpful in showing the difference between KB and MB:

Kilobytes (KB) Megabytes (MB)
103 bytes (base 10) 106 bytes (base 10)
10001 bytes 10002 bytes
1,000 bytes 1 million bytes
210 bytes (base 2) 220 bytes (base 2)
1,024 bytes 1.05 million bytes (1,048,576 bytes)
1,000 × 8 bits 1 million × 8 bits
8,000 bits 8 million bits

Kilobytes

Kilobyte (KB) measures the size of digital information (related to storage or transfer), such as text, sound, and image files. A kilobyte is 1000 bytes long which can be broken down into 1 KB chunks called a Byte – 1 KB=1000 Bytes

In computer science, KB is actually equal to 210 bytes, which makes it equal to 1024 bytes.

Kilobytes are much less common than they once were because their values aren’t as relevant now that data storage capacity has increased so much.

In the old days, the Kilobyte was one of the most popular units of measurement in use. Kilobyte may still be used for certain, specific cases; however, the Gigabyte is now most commonly used. Given the ability to transfer and store information has gone up exponentially, Gigabytes are now more commonly used.

Kilobyte in SI and base 10 (decimal)

1 Kilobyte = 10001 bytes
1 Kilobyte = 1000 bytes

Kilobyte in base 2 (binary)

1 Kilobyte = 210 bytes
1 Kilobyte = 10241 bytes
1 Kilobyte = 1024 bytes

 

Megabytes

Megabyte (MB) is a unit of stored or transferred digital info, and is used more extensively in info tech (IT) and consumer technology.

Under the decimal system, one megabyte is the equivalent of 1 million bytes.

But 1 megabyte is used as 220 bytes, which is about 1.05 million bytes (1,048,576 bytes, to be exact).

The amount of digital information represented by megabytes is used for the size of a standard MP3 file, JPEG file, PNG image, and similar smaller file types.

Megabyte in SI and base 10 (decimal)

1 Megabyte = 10002 bytes
1 Megabyte = 1,000,000 bytes

Megabyte in base 2 (binary)

1 Megabyte = 220 bytes
1 Megabyte = 10242 bytes
1 Megabyte = 1,048,576 bytes

How to Convert Kilobytes (KB) to Megabytes (MB)

First under the decimal system (SI), or base 10:

Kilobyte in SI

1 Kilobyte = 10001 bytes

1MB = 10002 bytes, therefore:

1 byte = 1000-2 MB

Hence:

1 Kilobyte = 10001 * 1000-2 MB
1 Kilobyte = 1000-1 MB
1 Kilobyte = 0.001 Megabytes

Now under the binary system, or base 2:

Kilobyte in base 2

1 Kilobyte = 210 bytes
1 Kilobyte = 10241 bytes
1 byte = 1024-2 MB
1 Kilobyte = 10241 * 1024-2 MB
1 Kilobyte = 1024-1 MB
1 Kilobyte = 2-10 Megabytes
1 Kilobyte = 0.0009765625 Megabytes

We also have a convenient Kilobyte (KB) to Megabyte (MB) conversion table, that can make lots of calculations simply easier to look up.

Kilobyte (KB) to Megabyte (MB) Conversion Table

Kilobytes (KB) Megabytes (MB) decimal Megabytes (MB) binary
1 KB 0.001 MB 0.0009765625 MB
5 KB 0.005 MB 0.0048828125 MB
10 KB 0.01 MB 0.009765625 MB
15 KB 0.015 MB 0.0146484375 MB
20 KB 0.02 MB 0.01953125 MB
25 KB 0.025 MB 0.0244140625 MB
30 KB 0.03 MB 0.029296875 MB
35 KB 0.035 MB 0.0341796875 MB
40 KB 0.04 MB 0.0390625 MB
45 KB 0.045 MB 0.0439453125 MB
50 KB 0.05 MB 0.048828125 MB
55 KB 0.055 MB 0.0537109375 MB
60 KB 0.06 MB 0.05859375 MB
65 KB 0.065 MB 0.0634765625 MB
70 KB 0.07 MB 0.068359375 MB
75 KB 0.075 MB 0.0732421875 MB
80 KB 0.08 MB 0.078125 MB
85 KB 0.085 MB 0.0830078125 MB
90 KB 0.09 MB 0.087890625 MB
95 KB 0.095 MB 0.0927734375 MB
100 KB 0.1 MB 0.09765625 MB
105 KB 0.105 MB 0.1025390625 MB
110 KB 0.11 MB 0.107421875 MB
115 KB 0.115 MB 0.1123046875 MB
120 KB 0.12 MB 0.1171875 MB
125 KB 0.125 MB 0.1220703125 MB
130 KB 0.13 MB 0.126953125 MB
135 KB 0.135 MB 0.1318359375 MB
140 KB 0.14 MB 0.13671875 MB
145 KB 0.145 MB 0.1416015625 MB
150 KB 0.15 MB 0.146484375 MB
155 KB 0.155 MB 0.1513671875 MB
160 KB 0.16 MB 0.15625 MB
165 KB 0.165 MB 0.1611328125 MB
170 KB 0.17 MB 0.166015625 MB
175 KB 0.175 MB 0.1708984375 MB
180 KB 0.18 MB 0.17578125 MB
185 KB 0.185 MB 0.1806640625 MB
190 KB 0.19 MB 0.185546875 MB
195 KB 0.195 MB 0.1904296875 MB
200 KB 0.2 MB 0.1953125 MB
205 KB 0.205 MB 0.2001953125 MB
210 KB 0.21 MB 0.205078125 MB
215 KB 0.215 MB 0.2099609375 MB
220 KB 0.22 MB 0.21484375 MB
225 KB 0.225 MB 0.2197265625 MB
230 KB 0.23 MB 0.224609375 MB
235 KB 0.235 MB 0.2294921875 MB
240 KB 0.24 MB 0.234375 MB
245 KB 0.245 MB 0.2392578125 MB
250 KB 0.25 MB 0.244140625 MB
255 KB 0.255 MB 0.2490234375 MB
260 KB 0.26 MB 0.25390625 MB
265 KB 0.265 MB 0.2587890625 MB
270 KB 0.27 MB 0.263671875 MB
275 KB 0.275 MB 0.2685546875 MB
280 KB 0.28 MB 0.2734375 MB
285 KB 0.285 MB 0.2783203125 MB
290 KB 0.29 MB 0.283203125 MB
295 KB 0.295 MB 0.2880859375 MB
300 KB 0.3 MB 0.29296875 MB
305 KB 0.305 MB 0.2978515625 MB
310 KB 0.31 MB 0.302734375 MB
315 KB 0.315 MB 0.3076171875 MB
320 KB 0.32 MB 0.3125 MB
325 KB 0.325 MB 0.3173828125 MB
330 KB 0.33 MB 0.322265625 MB
335 KB 0.335 MB 0.3271484375 MB
340 KB 0.34 MB 0.33203125 MB
345 KB 0.345 MB 0.3369140625 MB
350 KB 0.35 MB 0.341796875 MB
355 KB 0.355 MB 0.3466796875 MB
360 KB 0.36 MB 0.3515625 MB
365 KB 0.365 MB 0.3564453125 MB
370 KB 0.37 MB 0.361328125 MB
375 KB 0.375 MB 0.3662109375 MB
380 KB 0.38 MB 0.37109375 MB
385 KB 0.385 MB 0.3759765625 MB
390 KB 0.39 MB 0.380859375 MB
395 KB 0.395 MB 0.3857421875 MB
400 KB 0.4 MB 0.390625 MB
405 KB 0.405 MB 0.3955078125 MB
410 KB 0.41 MB 0.400390625 MB
415 KB 0.415 MB 0.4052734375 MB
420 KB 0.42 MB 0.41015625 MB
425 KB 0.425 MB 0.4150390625 MB
430 KB 0.43 MB 0.419921875 MB
435 KB 0.435 MB 0.4248046875 MB
440 KB 0.44 MB 0.4296875 MB
445 KB 0.445 MB 0.4345703125 MB
450 KB 0.45 MB 0.439453125 MB
455 KB 0.455 MB 0.4443359375 MB
460 KB 0.46 MB 0.44921875 MB
465 KB 0.465 MB 0.4541015625 MB
470 KB 0.47 MB 0.458984375 MB
475 KB 0.475 MB 0.4638671875 MB
480 KB 0.48 MB 0.46875 MB
485 KB 0.485 MB 0.4736328125 MB
490 KB 0.49 MB 0.478515625 MB
495 KB 0.495 MB 0.4833984375 MB
500 KB 0.5 MB 0.48828125 MB

 


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