Convert Kilobytes to Kibibytes (kB to KiB)
1 kilobyte (kB) = 0.9765625 kibibytes (KiB). 1 KiB = 1.024 kB. Example: 15 kB = 15 × 0.9765625 = 14.6484375 KiB.
Also searched as kilobytes to KiB, kilobytes in KiB, kilobytes into kibibytes, kB to KiB, kB in kibibytes, kB into kibibyte, kilobyte to kibibyte, kB to kibibytes converter and how many kibibytes in a kilobyte.
1 kB = 0.9765625 KiB
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk kilobyte to kibibyte converter to paste a column from Excel.
How to Convert Kilobyte to Kibibyte
- 1 kB = 0.9765625 KiB
- 1 KiB = 1.024 kB
- Example: convert 15 kB to KiB: 15 kB = 15 × 0.9765625 KiB = 14.6484375 KiB
Formula
KiB = kB × 0.9765625
or KiB = kB ÷ 1.024
Derivation from SI units:
- 1 kB = 1000 bytes = 8000 bits (decimal, SI).
- 1 KiB = 2¹⁰ bytes = 1024 bytes.
- 1 kB = 8000 bit ÷ 8192 bit per KiB = 0.9765625 KiB
Both units are defined exactly, so the factor is exact. Kilobyte definition: kilobyte; Kibibyte definition: kibibyte.
Worked examples
- A reading of 16 kB converts to 15.625 KiB.
16 kB × 0.9765625 = 15.625 KiB - A value of 128 kB is 125 KiB.
128 kB × 0.9765625 = 125 KiB
Kilobyte to Kibibyte conversion table
| Kilobytes (kB) | Kibibytes (KiB) |
|---|---|
| 1 kB | 0.9765625 KiB |
| 2 kB | 1.953125 KiB |
| 4 kB | 3.90625 KiB |
| 8 kB | 7.8125 KiB |
| 16 kB | 15.625 KiB |
| 32 kB | 31.25 KiB |
| 64 kB | 62.5 KiB |
| 100 kB | 97.65625 KiB |
| 128 kB | 125 KiB |
| 256 kB | 250 KiB |
| 500 kB | 488.28125 KiB |
| 1000 kB | 976.5625 KiB |
Where it's used
Kilobytes are used for small files, emails and web pages, while kibibytes appear in RAM, cache and page sizes (4 KiB pages). Both measure amount of digital information, so the conversion is a fixed factor.
Kilobyte to other data storage units
| Conversion | 1 kB equals |
|---|---|
| kilobyte to kibibyte | 0.9765625 KiB |
| kilobyte to byte | 1000 B |
| kilobyte to megabyte | 0.001 MB |
| kilobyte to gigabyte | 0.000001 GB |
| kilobyte to terabyte | 1 × 10⁻⁹ TB |
| kilobyte to bit | 8000 bit |
| kilobyte to megabit | 0.008 Mbit |
| kilobyte to mebibyte | 0.0009536743164 MiB |
Show 5 more units
| kilobyte to gibibyte | 9.313225746 × 10⁻⁷ GiB |
|---|---|
| kilobyte to kilobit | 8 kbit |
| kilobyte to gigabit | 0.000008 Gbit |
| kilobyte to petabyte | 1 × 10⁻¹² PB |
| kilobyte to tebibyte | 9.094947018 × 10⁻¹⁰ TiB |
Frequently asked questions
How many kibibytes are in 1 kilobyte?
1 kB = 0.9765625 KiB.
How do I convert kilobytes to kibibytes?
Multiply the value in kB by 0.9765625, or divide it by 1.024. For example, 15 kB × 0.9765625 = 14.6484375 KiB.
Is the kB to KiB conversion exact?
Yes. Both units are defined exactly, and 1 kB is exactly 0.9765625 KiB.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7 (SI prefixes); hertz, Table 4.
- Prefixes for binary multiples (kibi, mebi, gibi…, adopted by the IEC and now in IEC 80000-13), National Institute of Standards and Technology , Prefixes for binary multiples.
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Section 3, note on binary prefixes.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Kilobytes to Kibibytes (kB to KiB). Retrieved October 25, 2026, from https://scientificconverters.com/data-storage/kilobytes-to-kibibytes/
IEEE
Scientific Converters, "Convert Kilobytes to Kibibytes (kB to KiB)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/data-storage/kilobytes-to-kibibytes/