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MB to KB Converter

Convert MB to KB instantly: 1 megabyte = 1,024 kilobytes. Free mb to kb converter with formula, chart and examples. No sign-up needed.

1 megabyte = 1,024 kilobytes

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Quick answer

To convert megabytes to kilobytes, multiply the number of megabytes by 1,024. For example, 0.5 megabytes = 512 kilobytes.

Last updated · Conversion factors follow the SI definitions in the BIPM SI Brochure and NIST SP 811.

How to Convert MB to KB

The formula is kilobytes = megabytes × 1,024. 1 megabyte = 1,024 kilobytes. Type any value in the converter above for an instant answer, or use the chart below for the most common values.

This page is preset for megabyte to kilobyte conversions, but you can switch either list to any of the 41 units in the Data Storage Converter, or go the other way with the KB to MB converter.

MB to KB conversion chart

MBKB
0.1 MB102.4 KB
0.25 MB256 KB
0.5 MB512 KB
1 MB1,024 KB
2 MB2,048 KB
3 MB3,072 KB
4 MB4,096 KB
5 MB5,120 KB
6 MB6,144 KB
7 MB7,168 KB
8 MB8,192 KB
9 MB9,216 KB
10 MB10,240 KB
11 MB11,264 KB
12 MB12,288 KB
13 MB13,312 KB
14 MB14,336 KB
15 MB15,360 KB
16 MB16,384 KB
17 MB17,408 KB
18 MB18,432 KB
19 MB19,456 KB
20 MB20,480 KB
25 MB25,600 KB
30 MB30,720 KB
40 MB40,960 KB
50 MB51,200 KB
60 MB61,440 KB
70 MB71,680 KB
75 MB76,800 KB
80 MB81,920 KB
90 MB92,160 KB
100 MB102,400 KB
150 MB153,600 KB
200 MB204,800 KB
250 MB256,000 KB
500 MB512,000 KB
1,000 MB1,024,000 KB

Common MB to KB conversions

  • 1 megabyte = 1,024 kilobytes
  • 0.5 MB = 512 KB
  • 1 MB = 1,024 KB
  • 2 MB = 2,048 KB
  • 5 MB = 5,120 KB
  • 10 MB = 10,240 KB

Popular data storage converters

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How to Use the MB to KB Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How many kilobytes are in a megabyte?

There are 1,024 kilobytes in 1 megabyte. Going the other way, 1 kilobyte = 0.0009765625 megabytes.

How do I convert MB to KB?

Use the formula kilobytes = megabytes × 1,024. For example, 1 megabyte = 1,024 kilobytes. Or type the value in the converter above and the answer appears as you type.

What is the MB to KB formula?

kilobytes = megabytes × 1,024 — the conversion factor is exact, using the international definitions of both units.

What is 0.5 megabytes in kilobytes?

0.5 megabytes = 512 kilobytes.

What is 1 megabyte in kilobytes?

1 megabyte = 1,024 kilobytes.

What is 2 megabytes in kilobytes?

2 megabytes = 2,048 kilobytes.

What is 5 megabytes in kilobytes?

5 megabytes = 5,120 kilobytes.

What is 10 megabytes in kilobytes?

10 megabytes = 10,240 kilobytes.

How do I convert KB back to MB?

Use the swap button in the converter above, or open our KB to MB converter. megabytes = kilobytes ÷ 1,024.

Is this MB to KB converter accurate?

Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.

Can I convert MB to other data storage units?

Yes — pick any unit in the From and To lists above, or open the full Data Storage Converter, which handles 41 data storage units.

Is the MB to KB converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.