Kilobytes to Bytes (KB to B) Converter
1 kilobyte (KB) = 1,024 bytes (B). To convert kilobytes to bytes, multiply by 1,024: 25 KB × 1,024 = 25,600 B.
Quick facts
- 1 KB = 1,024 B
- 1 B = 0.000976563 KB
- Formula: B = KB × 1,024
- Quick estimate: multiply by about 1024
How to convert kilobytes to bytes
- Take the value in kilobytes.
- Multiply it by 1,024 (the number of bytes in one kilobyte).
- Round the result to the precision you need.
Worked example: 25 KB × 1,024 = 25600 B.
To convert bytes back to kilobytes, multiply by 0.000976563, or divide by 1,024.
Source: IEC 80000-13 for binary (1,024-based) and decimal (1,000-based) prefixes; this site uses the binary convention shown in each definition.
Kilobytes to Bytes conversion table
| Kilobytes [KB] | Bytes [B] |
|---|---|
| 0.001 KB | 1.024 B |
| 0.01 KB | 10.24 B |
| 0.1 KB | 102.4 B |
| 0.5 KB | 512 B |
| 1 KB | 1024 B |
| 2 KB | 2048 B |
| 5 KB | 5120 B |
| 10 KB | 10240 B |
KB to B chart from 1 to 100
- 1 KB 1024 B
- 2 KB 2048 B
- 3 KB 3072 B
- 4 KB 4096 B
- 5 KB 5120 B
- 6 KB 6144 B
- 7 KB 7168 B
- 8 KB 8192 B
- 9 KB 9216 B
- 10 KB 10240 B
- 11 KB 11264 B
- 12 KB 12288 B
- 13 KB 13312 B
- 14 KB 14336 B
- 15 KB 15360 B
- 16 KB 16384 B
- 17 KB 17408 B
- 18 KB 18432 B
- 19 KB 19456 B
- 20 KB 20480 B
- 25 KB 25600 B
- 30 KB 30720 B
- 35 KB 35840 B
- 40 KB 40960 B
- 45 KB 46080 B
- 50 KB 51200 B
- 55 KB 56320 B
- 60 KB 61440 B
- 65 KB 66560 B
- 70 KB 71680 B
- 75 KB 76800 B
- 80 KB 81920 B
- 85 KB 87040 B
- 90 KB 92160 B
- 95 KB 97280 B
- 100 KB 102400 B
Bytes to Kilobytes conversion table
| Bytes [B] | Kilobytes [KB] |
|---|---|
| 1 B | 0.0009765625 KB |
| 10 B | 0.009765625 KB |
| 100 B | 0.09765625 KB |
| 1000 B | 0.9765625 KB |
| 10000 B | 9.765625 KB |
| 100000 B | 97.65625 KB |
| 1000000 B | 976.5625 KB |
Kilobytes vs Bytes
| Kilobyte | Byte | |
|---|---|---|
| Symbol | KB | B |
| Equals | 1 KB = 1,024 B | 1 B = 0.000976563 KB |
What is a kilobyte?
Equal to 1,024 bytes in the binary convention used by most operating systems. Used for small file and text document sizes.
What is a byte?
Equal to 8 bits, commonly representing a single character. The base unit for measuring file and storage sizes.
Frequently asked questions
How many bytes are in a kilobyte?
There are 1,024 bytes in 1 kilobyte (1 KB = 1024 B).
How many kilobytes are in a byte?
There are 0.000976563 kilobytes in 1 byte (1 B = 0.0009765625 KB).
How do I convert kilobytes to bytes?
Multiply the number of kilobytes by 1,024. For example, 10 KB × 1,024 = 10,240 B. To convert back, multiply by 0.000976563.
What is 10 KB in bytes?
10 KB = 10,240 B.
What is 100 KB in bytes?
100 KB = 102,400 B.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (IEC 80000-13 for binary (1,024-based) and decimal (1,000-based) prefixes; this site uses the binary convention shown in each definition). Results are shown to up to 10 decimal places; round them to suit your purpose.
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