Kilobit to Byte Converter
Convert Kilobit (Kb) to Byte (B) instantly. 1 Kb = 128 B.
Data Converter
21 units available
1 Kb = 128 B
Formula:
B = Kb × 128With your value: 1 Kb = 128 B
How big is that?
Everyday references on a logarithmic scale, all expressed in kilobit so you can sanity-check the result.
Other Kilobit to Byte conversions
Kilobit to Byte Conversion Table
| Kilobit (Kb) | Byte (B) |
|---|---|
| 0.5 | 64 |
| 1 | 128 |
| 2 | 256 |
| 5 | 640 |
| 10 | 1,280 |
| 15 | 1,920 |
| 20 | 2,560 |
| 25 | 3,200 |
| 50 | 6,400 |
| 100 | 12,800 |
| 250 | 32,000 |
| 500 | 64,000 |
| 1000 | 128,000 |
Byte to Kilobit Conversion Table
| Byte (B) | Kilobit (Kb) |
|---|---|
| 0.5 | 0.003906 |
| 1 | 0.007813 |
| 2 | 0.015625 |
| 5 | 0.039063 |
| 10 | 0.078125 |
| 15 | 0.117188 |
| 20 | 0.15625 |
| 25 | 0.195313 |
| 50 | 0.390625 |
| 100 | 0.78125 |
| 250 | 1.953125 |
| 500 | 3.90625 |
| 1000 | 7.8125 |
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.
Kilobit (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 Kilobit to Byte
To convert from Kilobit (Kb) to Byte (B), multiply the value by 128.
Formula: B = Kb × 128
Reverse: Kb = B × 0.0078125
Step-by-Step Example
- Start with your value in Kilobit. For example: 5 Kb
- Multiply by the conversion factor: 5 x 128
- The result is: 640 B
About Kilobit
The kilobit (Kb) is a unit of digital storage. One kilobit equals 128 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 Kilobit?
There are exactly 128 Byte in 1 Kilobit. This means the conversion factor from Kilobit to Byte is 128.
What is the formula to convert Kilobit to Byte?
The formula to convert Kilobit to Byte is: B = Kb × 128. For example, to convert 10 Kilobit to Byte, you would multiply 10 by 128.
What is a Kilobit?
The kilobit (Kb) is a unit of digital storage. One kilobit equals 128 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 Kilobit?
The Kilobit is commonly used in data calculations, engineering and science, education.
Related Data Conversions
Cite this page
UnitConvertLab. (2026). Kilobit to Byte converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/kilobit-to-byte