Convert KB to KiB
1 kB = 0.976563 KiB · 1 KiB = 1.024 kB · Exact by definition
1 kB = 0.976563 KiB
The same value in other units
- bit
- 8000 b
- byte
- 1000 B
- megabyte
- 0.001 MB
- gigabyte
- 1e-6 GB
- terabyte
- 1e-9 TB
- mebibyte
- 0.000953674 MiB
- gibibyte
- 9.31323e-7 GiB
- tebibyte
- 9.09495e-10 TiB
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
Convert a whole list
Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.
Data size
KB to KiB: conversion table
| kilobyte | kibibyte |
|---|---|
| 1 kB | 0.976563 KiB |
| 2 kB | 1.95313 KiB |
| 3 kB | 2.92969 KiB |
| 5 kB | 4.88281 KiB |
| 10 kB | 9.76563 KiB |
| 20 kB | 19.5313 KiB |
| 25 kB | 24.4141 KiB |
| 50 kB | 48.8281 KiB |
| 100 kB | 97.6563 KiB |
| 250 kB | 244.141 KiB |
| 500 kB | 488.281 KiB |
| 1000 kB | 976.563 KiB |
| kibibyte | kilobyte |
|---|---|
| 1 KiB | 1.024 kB |
| 2 KiB | 2.048 kB |
| 3 KiB | 3.072 kB |
| 5 KiB | 5.12 kB |
| 10 KiB | 10.24 kB |
| 20 KiB | 20.48 kB |
| 25 KiB | 25.6 kB |
| 50 KiB | 51.2 kB |
| 100 KiB | 102.4 kB |
| 250 KiB | 256 kB |
| 500 KiB | 512 kB |
| 1000 KiB | 1024 kB |
How the conversion works
KiB = kB × 0.9765625
Both units are defined exactly, so the precision of the KB to KiB result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- IEC 80000-13:2025
The standard defining information units and binary prefixes.
- NIST — Prefixes for binary multiples
A public reference for the relationship between kB/MB and KiB/MiB.
Keep going