Convert bytes to kilobytes
Enter a value in bytes to convert it to kilobytes.
bytes to kilobytes reference
| bytes | kilobytes |
|---|---|
| 1 B | 0.001 KB |
| 2 B | 0.002 KB |
| 5 B | 0.005 KB |
| 10 B | 0.01 KB |
| 25 B | 0.025 KB |
| 50 B | 0.05 KB |
| 100 B | 0.1 KB |
The conversion factor
One byte is 0.001 kilobytes. So to convert, multiply your figure in bytes by 0.001. To go the other way, multiply kilobytes by 1000, or use the kilobytes to bytes converter.
Doing it in your head
For a quick estimate, round the factor: roughly "divide by 1000". Use the exact converter above when the number matters.
Where this conversion comes up
Storage and download sizes, data caps, and the decimal-vs-binary gap that makes a “1 TB” drive show as about 931 GiB.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many kilobytes are in a byte?
1 byte = 0.001 kilobytes.
What is the formula to convert bytes to kilobytes?
Multiply the number of bytes by 0.001. To go back the other way, multiply kilobytes by 1000.
What is 10 bytes in kilobytes?
10 bytes = 0.01 kilobytes. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.