Kilobytes to Bytes

1 kilobyte = 1,000 bytes. To convert kilobytes (kB) to bytes (B), multiply by 1,000.

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How to convert kilobytes to bytes

B = kB × 1,000

Example: convert 8 kilobytes to bytes.
8 kB × 1,000 = 8,000 B

The same relationship in reverse: 1 byte = 0.001 kilobytes, so you can also divide by 0.001. Need the other direction? Use the bytes to kilobytes converter.

You will typically need this conversion for programming, memory and file-format limits.

Kilobytes to Bytes conversion chart

Kilobytes (kB)Bytes (B)
1 kB1,000 B
2 kB2,000 B
3 kB3,000 B
4 kB4,000 B
5 kB5,000 B
6 kB6,000 B
7 kB7,000 B
8 kB8,000 B
9 kB9,000 B
10 kB10,000 B
15 kB15,000 B
20 kB20,000 B
25 kB25,000 B
30 kB30,000 B
40 kB40,000 B
50 kB50,000 B
75 kB75,000 B
100 kB100,000 B
250 kB250,000 B
500 kB500,000 B
1,000 kB1,000,000 B

Values rounded to 8 significant figures. The converter above shows up to 12.

About the units

Kilobyte (kB)

1,000 bytes (SI). Some older software uses "KB" to mean 1,024 bytes — that is properly a kibibyte (KiB).

Byte (B)

Eight bits. One byte stores one ASCII character.

Frequently asked questions

How many bytes are in a kilobyte?

1 kilobyte = 1,000 bytes. Going the other way, 1 byte = 0.001 kilobytes.

How do I convert kilobytes to bytes?

To convert kilobytes to bytes, multiply by 1,000. The formula is B = kB × 1,000.

What is 8 kB in B?

8 kilobytes is 8,000 bytes (8 kB × 1,000 = 8,000 B).

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