MB to KB Converter
Handy when an upload form limits files in kilobytes. Decimal units (1 MB = 1,000 kB).
1 MB = 1,000 kB
kilobytes
1 MB = 1,000 kB
How to convert megabytes to kilobytes
Multiply the number of megabytes by 1,000.
Formula
kB = MB × 1,000
Examples
- 0.5 MB × 1,000 = 500 kB
- 2 MB × 1,000 = 2,000 kB
- 25 MB × 1,000 = 25,000 kB
Megabytes to kilobytes conversion table
| Megabytes (MB) | Kilobytes (kB) |
|---|---|
| 0.1 | 100 |
| 0.25 | 250 |
| 0.5 | 500 |
| 1 | 1,000 |
| 1.5 | 1,500 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 8 | 8,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
Values rounded to 4 decimal places or 4 significant digits.
About megabytes
A megabyte (MB) is 1,000,000 bytes, or 1,000 kilobytes, under the decimal convention.
About kilobytes
A kilobyte (kB) is 1,000 bytes under the SI decimal convention used on this site. Some software uses "KB" for 1,024 bytes; that size is properly called a kibibyte (KiB).
Frequently asked questions
How many kilobytes are in one megabyte?
One megabyte equals 1,000 kilobytes.
How do I convert megabytes to kilobytes?
Multiply the number of megabytes by 1,000. For example: 2 MB × 1,000 = 2,000 kB.
How many megabytes are in one kilobyte?
One kilobyte equals 0.001 megabytes.
Is the MB to kB conversion exact?
Yes. The factor follows directly from the official definitions of both units, so the only rounding is in how many decimals are displayed.