Megabyte to Kilobyte
1 MB = 1000 KB
How to convert megabyte to kilobyte
Enter the value in megabyte (MB) above and the equivalent in kilobyte (KB) updates as you type. This conversion comes up when buying storage: why a "1 TB" drive shows 931 GB in the OS.
Typical situations: estimating download times from connection speed; comparing phone storage tiers and cloud plans.
You can also convert in the other direction: Kilobyte to Megabyte
Megabyte to Kilobyte conversion table
| Megabyte (MB) | Kilobyte (KB) |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
Watch out for
- GB (storage) vs Gb (transfer speed): a byte is 8 bits, so 1 Gbps line transfers at most 125 MB/s
- Decimal (1 GB = 1000 MB, as drive makers count) vs binary (1 GiB = 1024 MiB, as operating systems report)
Frequently asked questions
How many kilobytes is 1 megabyte?
1 megabyte = 1000 kilobytes.
What is the formula to convert megabyte to kilobytes?
The formula is: KB = MB × 1000.
What is 10 megabytes in kilobytes?
10 megabytes = 10000 kilobytes.