Quick answer: 1 MB = 1,000 KB
About the Megabytes to Kilobytes
There are 1,000 kilobytes in one megabyte, so to convert megabytes to kilobytes multiply by 1,000.
This converter uses decimal units (1 MB = 1,000 KB), the standard for storage, file sizes on Mac and most websites. Windows uses binary units (1 MB = 1,024 KB): use the KiB/MiB/GiB options for that.
How to convert megabytes to kilobytes (MB to KB)
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
megabytes to kilobytes conversion table
| MB | KB |
|---|---|
| 1 MB | 1,000 KB |
| 2 MB | 2,000 KB |
| 5 MB | 5,000 KB |
| 10 MB | 10,000 KB |
| 20 MB | 20,000 KB |
| 25 MB | 25,000 KB |
| 50 MB | 50,000 KB |
| 75 MB | 75,000 KB |
| 100 MB | 100,000 KB |
| 250 MB | 250,000 KB |
| 500 MB | 500,000 KB |
| 1,000 MB | 1,000,000 KB |
How it's calculated
KB = MB × 1,000
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
How many kilobytes are in 1 megabyte?
1 MB = 1,000 KB.
How many megabytes are in 1 kilobyte?
1 KB = 0.001 MB.
Is the Megabytes to Kilobytes free?
Yes, the Megabytes to Kilobytes is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.