Convert megabytes to kilobytes
Enter a value in megabytes to convert it to kilobytes.
megabytes to kilobytes reference
| megabytes | kilobytes |
|---|---|
| 1 MB | 1000 KB |
| 2 MB | 2000 KB |
| 5 MB | 5000 KB |
| 10 MB | 10000 KB |
| 25 MB | 25000 KB |
| 50 MB | 50000 KB |
| 100 MB | 100000 KB |
The conversion factor
One megabyte is 1000 kilobytes. So to convert, multiply your figure in megabytes by 1000. To go the other way, multiply kilobytes by 0.001, or use the kilobytes to megabytes converter.
Doing it in your head
For a quick estimate, round the factor: roughly "times 1000". Use the exact converter above when the number matters.
Where this conversion comes up
Storage and download sizes, data caps, and the decimal-vs-binary gap that makes a “1 TB” drive show as about 931 GiB.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many kilobytes are in a megabyte?
1 megabyte = 1000 kilobytes.
What is the formula to convert megabytes to kilobytes?
Multiply the number of megabytes by 1000. To go back the other way, multiply kilobytes by 0.001.
What is 10 megabytes in kilobytes?
10 megabytes = 10000 kilobytes. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.