kB to KiB Converter

How to convert kilobytes to kibibytes

FormulaKiB = kB × 0.9765625

Because one kibibyte equals 1.024 kilobytes, you can also divide: KiB = kB ÷ 1.024.

A kilobyte is smaller than a kibibyte: it takes 1.024 kilobytes to make one kibibyte.

Worked examples

1 kilobyte1 kB × 0.9765625 = 0.9765625 KiB
5 kilobytes5 kB × 0.9765625 = 4.8828125 KiB
10 kilobytes10 kB × 0.9765625 = 9.765625 KiB
20 kilobytes20 kB × 0.9765625 = 19.53125 KiB
100 kilobytes100 kB × 0.9765625 = 97.65625 KiB

Kilobytes to kibibytes conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Kilobytes to kibibytes: 0.1–10 kB
Kilobytes (kB)	Kibibytes (KiB)
0.1 kB	0.09765625 KiB
0.25 kB	0.24414063 KiB
0.5 kB	0.48828125 KiB
1 kB	0.9765625 KiB
2 kB	1.953125 KiB
3 kB	2.9296875 KiB
4 kB	3.90625 KiB
5 kB	4.8828125 KiB
6 kB	5.859375 KiB
7 kB	6.8359375 KiB
8 kB	7.8125 KiB
9 kB	8.7890625 KiB
10 kB	9.765625 KiB

Kilobytes to kibibytes: 12–1,000 kB
Kilobytes (kB)	Kibibytes (KiB)
12 kB	11.71875 KiB
15 kB	14.648438 KiB
20 kB	19.53125 KiB
25 kB	24.414063 KiB
30 kB	29.296875 KiB
40 kB	39.0625 KiB
50 kB	48.828125 KiB
75 kB	73.242188 KiB
100 kB	97.65625 KiB
250 kB	244.14063 KiB
500 kB	488.28125 KiB
1,000 kB	976.5625 KiB

About the units

Kilobyte (kB)

1,000 bytes (decimal). Some software still uses “KB” for 1,024 bytes; that is properly a kibibyte (KiB). One kilobyte equals 8,000 bits (b).

Kibibyte (KiB)

1,024 bytes (2¹⁰), the binary counterpart of a kilobyte. One kibibyte equals 8,192 bits (b).

Frequently asked questions

How many kibibytes are in one kilobyte?

There are 0.9765625 kibibytes in one kilobyte, and this value is exact by definition.

How do I convert kilobytes to kibibytes?

Multiply the number of kilobytes by 0.9765625. For example, 10 kB × 0.9765625 = 9.765625 KiB.

How many kilobytes are in one kibibyte?

One kibibyte equals 1.024 kilobytes. That is the reverse factor, 1 ÷ 0.9765625.

What is 10 kilobytes in kibibytes?

10 kB = 9.765625 KiB.

Is this kB to KiB converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.