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Kilobytes to Kibibytes (KB to KiB)
Convert kilobytes to kibibytes: 1 KB = 0.976563 KiB. Exact conversion factor, formula, 18-row table and worked examples, with JSON API and MCP access.
Formula
1 KB = 0.976563 KiB
kibibytes = kilobytes × 0.9765625 — reverse: kilobytes = kibibytes × 1.024
The factor is derived from the SI definitions of both units (base unit: B) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 1.5 KB = 1.46484 KiB
- 700 KB = 683.594 KiB
- 2048 KB = 2000 KiB
Kilobytes to kibibytes conversion table
| Kilobytes (KB) | Kibibytes (KiB) |
|---|---|
| 1 | 0.976563 |
| 2 | 1.95313 |
| 4 | 3.90625 |
| 8 | 7.8125 |
| 16 | 15.625 |
| 32 | 31.25 |
| 64 | 62.5 |
| 100 | 97.6563 |
| 128 | 125 |
| 256 | 250 |
| 500 | 488.281 |
| 512 | 500 |
| 1000 | 976.563 |
| 1024 | 1000 |
| 2048 | 2000 |
| 4096 | 4000 |
| 8192 | 8000 |
| 10000 | 9765.63 |
FAQ
How many kibibytes are in one kilobyte?
1 KB = 0.976563 KiB. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert kilobytes to kibibytes?
Multiply the value in kilobytes by 0.9765625: kibibytes = kilobytes × 0.9765625. For example, 1.5 KB = 1.46484 KiB.
How do I convert kibibytes back to kilobytes?
Multiply by the inverse factor 1.024 (kilobytes = kibibytes × 1.024), or use the kibibytes-to-kilobytes page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=1.5&from_unit=KB&to_unit=KiB - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":1.5,"from_unit":"KB","to_unit":"KiB"} - Markdown: https://tttkmbb.com/conversion/kb-to-kib.md · JSON: https://tttkmbb.com/conversion/kb-to-kib.json (add
?value=for a result) · Units: /api/v1/units?quantity=data-storage - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.