Megabytes to Kilobytes Converter
Convert megabytes (MB) to kilobytes (KB) instantly. Type a value above and the result updates while you type. 1 megabyte equals 1000 kilobytes.
Result updates as you type. Values are calculated locally in your browser — nothing is sent to a server.
The formula
1 megabyte = 1000 kilobytes
Multiply the megabytes value by 1000 to get kilobytes. Or divide by 0.001 to go the other way.
Megabytes to kilobytes conversion table
| MB | KB |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 8 | 8000 |
| 10 | 10,000 |
| 16 | 16,000 |
| 25 | 25,000 |
| 32 | 32,000 |
| 50 | 50,000 |
| 64 | 64,000 |
| 100 | 100,000 |
| 128 | 128,000 |
| 250 | 250,000 |
| 256 | 256,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Worked examples
- 5 MB × 1000 = 5000 KB
- 30 MB × 1000 = 30,000 KB
- 165 MB × 1000 = 165,000 KB
Conversion factors follow the exact international definitions (SI/BIPM; imperial units per the 1959 International Yard and Pound Agreement, maintained by NIST). NIST unit conversion reference
Factors last verified August 2026 · Built by Jeffrey Tepper.
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Frequently asked questions
How many kilobytes are in 1 megabyte?
1 megabyte equals 1000 kilobytes (MB → KB).
How do you convert megabytes to kilobytes?
Multiply the number of megabytes by 1000. For example: 10 MB × 1000 = 10,000 KB.
What is 50 MB in KB?
50 MB equals 50,000 KB.
Which is bigger: 1 megabyte or 1 kilobyte?
1 megabyte is bigger: it equals 1000 kilobytes.