Convert Megabyte to Kilobyte
Turn Megabytes into Kilobytes in an instant. Type a value below to get an accurate MB → KB result, with the formula and a quick-reference table.
1 MB = 1,000 KB
Quick answer: 1 Megabyte = 1,000 Kilobyte
Megabyte to Kilobyte conversion table
| Megabyte (MB) | Kilobyte (KB) |
|---|---|
| 1 MB | 1,000 KB |
| 2 MB | 2,000 KB |
| 5 MB | 5,000 KB |
| 10 MB | 10,000 KB |
| 20 MB | 20,000 KB |
| 50 MB | 50,000 KB |
| 100 MB | 100,000 KB |
| 500 MB | 500,000 KB |
| 1,000 MB | 1,000,000 KB |
How to convert Megabyte to Kilobyte
To convert Megabytes to Kilobytes, multiply the value by 1,000.
- Take your measurement in Megabytes.
- Multiply it by 1,000 — the number of Kilobytes in one Megabyte.
- The result is the same amount, expressed in Kilobytes.
To go the other way, multiply Kilobytes by 0.001 — or simply divide by 1,000.
For example, a high-quality photo is about 4 MB, which is 4,000 KB.
About Megabyte and Kilobyte
A megabyte is 1,000 kilobytes (one million bytes). It sizes photos, songs and small app downloads.
A kilobyte is 1,000 bytes in the decimal (SI) convention used by storage makers and macOS. It sizes small files such as documents, icons and short emails.
Both the Megabyte and the Kilobyte are decimal (SI) units, so converting between them is just a change of scale: one Megabyte equals 1,000 Kilobytes, and the Megabyte is the larger unit.
Other data storage conversions
Frequently asked questions
How many Kilobytes are in a Megabyte?
1 Megabyte equals 1,000 Kilobyte (MB → KB). To convert any amount, multiply the number of Megabytes by 1,000.
How do I convert Megabyte to Kilobyte?
Enter the number of Megabytes in the converter above and read the result in Kilobytes. It applies the exact MB → KB factor instantly, with full precision.
Is the Megabyte to Kilobyte converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined data storage factors and full floating-point precision, then rounds the display to a clean, readable number.