Kilobyte to Byte Converter
Convert Kilobyte (KB) to Byte (B) instantly. 1 KB = 1,024 B.
Data Converter
21 units available
1 KB = 1,024 B
Formula:
B = KB × 1,024With your value: 1 KB = 1,024 B
How big is that?
Everyday references on a logarithmic scale, all expressed in kilobyte so you can sanity-check the result.
Other Kilobyte to Byte conversions
Kilobyte to Byte Conversion Table
| Kilobyte (KB) | Byte (B) |
|---|---|
| 0.5 | 512 |
| 1 | 1,024 |
| 2 | 2,048 |
| 5 | 5,120 |
| 10 | 10,240 |
| 15 | 15,360 |
| 20 | 20,480 |
| 25 | 25,600 |
| 50 | 51,200 |
| 100 | 102,400 |
| 250 | 256,000 |
| 500 | 512,000 |
| 1000 | 1,024,000 |
Byte to Kilobyte Conversion Table
| Byte (B) | Kilobyte (KB) |
|---|---|
| 0.5 | 0.000488 |
| 1 | 0.000977 |
| 2 | 0.001953 |
| 5 | 0.004883 |
| 10 | 0.009766 |
| 15 | 0.014648 |
| 20 | 0.019531 |
| 25 | 0.024414 |
| 50 | 0.048828 |
| 100 | 0.097656 |
| 250 | 0.244141 |
| 500 | 0.488281 |
| 1000 | 0.976563 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Kilobyte (KB)
Data
Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.
Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology
International Electrotechnical Commission · Reviewed 2026-07-01
Byte (B)
Data
One byte is eight bits (octet) in all modern computing standards.
Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology
International Electrotechnical Commission · Reviewed 2026-07-01
How to Convert Kilobyte to Byte
To convert from Kilobyte (KB) to Byte (B), multiply the value by 1,024.
Formula: B = KB × 1,024
Reverse: KB = B × 0.0009765625
Step-by-Step Example
- Start with your value in Kilobyte. For example: 5 KB
- Multiply by the conversion factor: 5 x 1,024
- The result is: 5,120 B
About Kilobyte
The kilobyte (KB) is a unit of digital storage. One kilobyte equals 1024 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: data calculations, engineering and science, education.
About Byte
The byte (B) is a unit of digital storage. One byte equals 1 byte. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: data calculations, engineering and science, education.
Frequently Asked Questions
How many Byte are in 1 Kilobyte?
There are exactly 1,024 Byte in 1 Kilobyte. This means the conversion factor from Kilobyte to Byte is 1,024.
What is the formula to convert Kilobyte to Byte?
The formula to convert Kilobyte to Byte is: B = KB × 1,024. For example, to convert 10 Kilobyte to Byte, you would multiply 10 by 1,024.
What is a Kilobyte?
The kilobyte (KB) is a unit of digital storage. One kilobyte equals 1024 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Byte?
The byte (B) is a unit of digital storage. One byte equals 1 byte. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Kilobyte?
The Kilobyte is commonly used in data calculations, engineering and science, education.
Related Data Conversions
Cite this page
UnitConvertLab. (2026). Kilobyte to Byte converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/kilobyte-to-byte