Convert Megabytes to Kilobytes
1 MB = 1,000 KB. Enter any value below.
Converted to every unit
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Megabytes to Kilobytes formula
KB = MB × 1,000
A megabyte (SI) is 1,000,000 bytes. A kilobyte (SI) is 1,000 bytes.
Worked example
To convert 5 MB, multiply by 1,000: 5 MB × 1,000 = 5,000 KB.
Megabytes to Kilobytes conversion table
| Megabytes | Kilobytes |
|---|---|
| 1 MB | 1,000 KB |
| 2 MB | 2,000 KB |
| 3 MB | 3,000 KB |
| 4 MB | 4,000 KB |
| 5 MB | 5,000 KB |
| 6 MB | 6,000 KB |
| 7 MB | 7,000 KB |
| 8 MB | 8,000 KB |
| 9 MB | 9,000 KB |
| 10 MB | 10,000 KB |
| 12 MB | 12,000 KB |
| 15 MB | 15,000 KB |
| 20 MB | 20,000 KB |
| 25 MB | 25,000 KB |
| 30 MB | 30,000 KB |
| 40 MB | 40,000 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 |
Frequently asked questions
How many kilobytes are in a megabyte?
1 MB equals 1,000 KB.
How do I convert megabytes to kilobytes?
Use the formula KB = MB × 1,000. For example, 5 MB = 5,000 KB.
Last reviewed: October 2026 · Uses exact, internationally defined conversion factors.