Bits to Kilobits Converter
Enter the data size in bits below to convert it to kilobits.
Convert Bits to Kilobits
Enter a value in bits (b) to convert to kilobits (Kb).
Bit to Kilobit Conversion Table
Table showing various bit measurements converted to kilobits. Click any preset value or arrow to load it into the converter.
How to Convert Bits to Kilobits
To convert bits to kilobits, multiply the data size by the following conversion ratio: 0.001 kilobits/bit.
Since one bit is equal to 0.001 kilobits, you can use this simple formula to convert:
The data size in kilobits is equal to the data size in bits multiplied by 0.001.
For example, here's how to convert 5 bits to kilobits using the formula above.
How Many Kilobits Are in a Bit?
There are 0.001 kilobits in a bit, which is why we use this value in the formula above.
Our bit to kilobit calculator automatically converts your data size measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Bits and kilobits are both units used to measure data size. Keep reading to learn more about each unit.
What Is a Bit?
A bit is a unit of data size equal to 1/8 of a byte (0.125 B). Basic binary digit (1/8 of a byte). [1]
The bit is classified as an IEC binary unit of data size. Bits can be abbreviated as b; for example, 1 bit can be written as 1 b.
When working with bits (b) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, bits (b) are widely used across standard data size applications within IEC binary workflows, engineering documentation, and technical data sheets.
What Is a Kilobit?
A kilobit is a unit of data size equal to 125 bytes (B), the base unit for data size. Equal to 1,000 bits (125 bytes). [2]
The kilobit is classified as a metric and SI-compatible unit of data size. Kilobits can be abbreviated as Kb; for example, 1 kilobit can be written as 1 Kb.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilobit (Kb) a convenient decimal multiple of the byte (B).
In practice, kilobits (Kb) are widely used across standard data size applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting data size between bits (b) and kilobits (Kb), keep full floating-point precision (1 b = 0.001 Kb; 1 Kb = 1,000 b) during intermediate calculations and round only the final kilobit figure to match your instrument tolerance.
More Bit & Kilobit Conversions
Need to calculate in the opposite direction? Use our kilobits to bits calculator to switch your starting unit immediately. You can also explore related tools such as converting kilobits to bits, converting bits to bytes, or converting megabytes to gigabytes.
Frequently Asked Questions
References
- [1]NIST / IEC StandardNIST / IEC (IEC 80000-13 Binary Prefixes)·Digital Storage Metrology Standard — Bits (b) to Kilobits (Kb)
- [2]BIPM SpecificationBIPM (SI Decimal Prefixes (k, M, G, T, P))·Unit Specifications: Bit (b) & Kilobit (Kb)
- [3]NIST CUU ReferenceNIST CUU (SI Prefixes & Decimal Multiples)·Conversion Factors & Mathematical Basis (b to Kb)