How many bytes are in one KB?
One decimal KB contains exactly 1000 bytes.
Convert Byte (B) to Kilobyte (kB) instantly.
Calculation
value × 0.001
| Quick Conversion | Converted |
|---|---|
| 1 B | 0.001 kB |
| 5 B | 0.005 kB |
| 10 B | 0.01 kB |
| 100 B | 0.1 kB |
| 1,000 B | 1 kB |
A byte is a unit of digital information equal to 8 bits.
Bytes became the standard practical unit for files, memory, storage, buffers, and character data.
byte is used in file sizes, memory allocation, binary data, storage accounting, buffers, and online tool limits.
A kilobyte here is a decimal unit equal to 1000 bytes.
Decimal kilobytes became common in file-size displays, web asset reporting, storage labels, and user-facing data summaries.
KB is used for small files, images, scripts, attachments, uploads, downloads, and storage summaries.
Mathematically, kilobyte (kB) = byte (B) converted with the formula below.
1 B = 0.001 kB
1 kB = 1,000 B
Formula: value × 0.001
Example: 15 B = 0.015 kB
Precision note: Use exactly 1000 bytes per decimal kilobyte. Keep decimal KB values when byte counts do not divide evenly.
1 B = 0.001 kB
1 kB = 1,000 B
| Byte [B] | Kilobyte [kB] |
|---|---|
| 0.01 B | 0.00001 kB |
| 0.1 B | 0.0001 kB |
| 1 B | 0.001 kB |
| 2 B | 0.002 kB |
| 5 B | 0.005 kB |
| 10 B | 0.01 kB |
| 20 B | 0.02 kB |
| 50 B | 0.05 kB |
| 100 B | 0.1 kB |
One decimal KB contains exactly 1000 bytes.
2500 bytes equal 2.5 KB.
This is decimal KB. For binary 1024-byte units, use KiB.