Convert Megabytes to kilobytes
1 megabyte = 1,000 kilobytes · KB = MB × 1,000
When you need this conversion
This conversion goes from megabytes, used for app sizes, photos, and attachments, to kilobytes, used for documents and small images. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Megabytes to kilobytes conversion table
| Megabytes (MB) | Kilobytes (KB) |
|---|---|
| 1 MB | 1,000 KB |
| 2 MB | 2,000 KB |
| 3 MB | 3,000 KB |
| 5 MB | 5,000 KB |
| 10 MB | 10,000 KB |
| 15 MB | 15,000 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 |
The formula
KB = MB × 1,000Because both units measure data, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Kilobytes to megabytes →Related data conversions
- Megabytes to gigabytes
- Gigabytes to megabytes
- Gigabytes to gibibytes
- Gibibytes to gigabytes
- Bits to kilobytes
- Bytes to kilobytes
- Megabytes to bits
- Megabytes to bytes
- Megabytes to terabytes
- Megabytes to kibibytes
- Megabytes to mebibytes
- Megabytes to gibibytes
Frequently asked questions
- How many kilobytes are in a megabyte?
- There are 1,000 kilobytes in 1 megabyte. The formula is KB = MB × 1,000.
- How do you convert megabytes to kilobytes?
- Use the formula KB = MB × 1,000. For example, 10 megabytes equals 10,000 kilobytes.
- Is the megabytes to kilobytes conversion exact?
- Yes. Megabytes and kilobytes are both units of data, related by an exact defined factor. Displayed results are rounded for readability.
- What is MB short for?
- MB is the standard symbol for megabyte. KB is the symbol for kilobyte.