KB to MB Converter
Convert kilobyte (1000 b) to megabyte (1000 kb) instantly. 1 KB = 0.001 MB, worked steps and a full reference table.
How to use it
- Type the value in kilobyte (1000 b) — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 KB | 0.001 MB |
| 5 KB | 0.005 MB |
| 10 KB | 0.01 MB |
| 100 KB | 0.1 MB |
One kilobyte (1000 b) equals 0.001 megabyte (1000 kb)s (MB). To convert kilobyte (1000 b)s to megabyte (1000 kb)s, multiply by 0.001; to go back the other way, multiply by 1000 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What kilobyte (1000 b)s and megabyte (1000 kb)s actually measure
Kilobyte (1000 B) (KB) — A kilobyte is 1,000 bytes in the decimal convention used by drive manufacturers. Small files, and storage capacity as advertised.
Megabyte (1000 KB) (MB) — A megabyte is a million bytes in decimal terms. Photos, documents and mobile data allowances.
KB to MB conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| KB | MB |
|---|---|
| 1 KB | 0.001 MB |
| 2 KB | 0.002 MB |
| 5 KB | 0.005 MB |
| 10 KB | 0.01 MB |
| 25 KB | 0.025 MB |
| 50 KB | 0.05 MB |
| 100 KB | 0.1 MB |
How to convert kilobyte (1000 b)s to megabyte (1000 kb)s by hand
Multiply the number of kilobyte (1000 b)s by 0.001.
For example, 25 KB × 0.001 = 0.025 MB.
Going the other way, divide by 0.001 — or multiply by 1000, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many MB are in 1 KB?
1 KB equals exactly 0.001 MB. Multiply any value in kilobyte (1000 b) by 0.001 to get megabyte (1000 kb).
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026