1 Kb = 125 bytes
Kilobits (Kb) Conversion
Kilobit is the unit of digital information with prefix kilo (10³). 1 Kilobit is equal to 10³ bits = 1,000 bits in decimal (SI). 1 Kilobit is equal to 2¹⁰ bits = 1,024 bits in binary. Also see: Kilobytes.
Kilobit at a Glance
- Symbol
- Kb
- System
- Decimal (SI), bit-based
- Definition
- 1,000¹ bits = 10³ bits
- Exact value
- 125 bytes · 1,000 bits
- Binary twin
- Kibibit (Kib) 1 Kb ≈ 0.9766 Kib
- Used for
- Dial-up modem speeds, low-bandwidth connections, audio bitrates
Read Your Kb Value in Every Other Unit
Type to narrow, everything else stays on screen
| Fundamental | ||
|---|---|---|
| Bit (b) | 1,000 | b |
| Nibble (nibble) | 250 | nibble |
| Byte (B) | 125 | B |
| Decimal (SI) | ||
| Kilobyte (KB) | 0.125 | KB |
| Megabyte (MB) | 0.000125 | MB |
| Gigabyte (GB) | 0.000000125 | GB |
| Terabyte (TB) | 1.2500e-10 | TB |
| Petabyte (PB) | 1.2500e-13 | PB |
| Exabyte (EB) | 1.2500e-16 | EB |
| Zettabyte (ZB) | 1.2500e-19 | ZB |
| Yottabyte (YB) | 1.2500e-22 | YB |
| Binary (IEC) | ||
| Kibibyte (KiB) | 0.122070313 | KiB |
| Mebibyte (MiB) | 0.000119209 | MiB |
| Gibibyte (GiB) | 0.000000116 | GiB |
| Tebibyte (TiB) | 1.1369e-10 | TiB |
| Pebibyte (PiB) | 1.1102e-13 | PiB |
| Exbibyte (EiB) | 1.0842e-16 | EiB |
| Zebibyte (ZiB) | 1.0588e-19 | ZiB |
| Yobibyte (YiB) | 1.0340e-22 | YiB |
| Decimal Bits | ||
| Megabit (Mb) | 0.001 | Mb |
| Gigabit (Gb) | 0.000001 | Gb |
| Terabit (Tb) | 0.000000001 | Tb |
| Petabit (Pb) | 1.0000e-12 | Pb |
| Exabit (Eb) | 1.0000e-15 | Eb |
| Zettabit (Zb) | 1.0000e-18 | Zb |
| Yottabit (Yb) | 1.0000e-21 | Yb |
| Binary Bits | ||
| Kibibit (Kib) | 0.9765625 | Kib |
| Mebibit (Mib) | 0.000953674 | Mib |
| Gibibit (Gib) | 0.000000931 | Gib |
| Tebibit (Tib) | 9.0949e-10 | Tib |
| Pebibit (Pib) | 8.8818e-13 | Pib |
| Exbibit (Eib) | 8.6736e-16 | Eib |
| Zebibit (Zib) | 8.4703e-19 | Zib |
| Yobibit (Yib) | 8.2718e-22 | Yib |
Kilobit (Kb) Among Data Storage Units
What Is a Kilobit (Kb)? Definition and Size
A kilobit is 1,000 bits. Often used for slower network connections and legacy data rates. The Kb symbol is widely used in computing to represent kilobits, making it essential for storage calculations and data transfer planning. Related: Terabits.
Understanding how kilobits relate to other storage units helps when sizing drives, planning backups, or estimating download times. Whether you're working with standard units, accurate conversion is crucial for proper capacity planning.
Common uses: Dial-up modem speeds, low-bandwidth connections, audio bitrates See also: Kibibytes.
1 kilobit (Kb) = 125 bytes — the kilobit storage unit definition used across this data storage converter.
Quick Facts: Kilobit (Kb) Storage Unit
- Symbol: Kb
- Unit type: Decimal Bit
- 1 Kilobit = 125 bytes
- 1 Kilobit = 0.125 kilobytes (KB)
- Category: data storage converter, digital capacity calculator
How to Use the Kilobit Storage Converter
- Enter a kilobit (Kb) value in the converter above.
- All 35 data storage equivalents — bits, bytes, kilobytes, megabytes, gigabytes, terabytes and beyond — update instantly.
- Click any storage unit link below for a dedicated Kb-to-unit conversion page with formula and table.
Kilobit at a Glance
| Symbol | Kb |
|---|---|
| Type | Decimal Bit |
| Bytes equivalent | 125 bytes |
| Common uses | Dial-up modem speeds, low-bandwidth connections, audio bitrates |
Kilobit (Kb) vs Kibibit (Kib): Decimal (SI) vs Binary (IEC)
Kibibit (Kib) is 2.4% larger than Kilobit (Kb). Kibibit uses base 1024 (binary/IEC — common in Windows and RAM specs); Kilobit uses base 1000 (decimal/SI — the standard storage manufacturers advertise).
| Unit | Symbol | Base | Bytes |
|---|---|---|---|
| Kilobit | Kb | 1000 | 125 |
| Kibibit | Kib | 1024 | 128 |
Kilobits (Kb) to Bytes, KB, MB, GB, TB — Conversion Table
| Kb | Bytes | KB | MB | GB | TB |
|---|---|---|---|---|---|
| 1 | 125 | 0.125 | 0.000125 | 0.000000125 | 0.000000000125 |
| 5 | 625 | 0.625 | 0.000625 | 0.000000625 | 0.000000000625 |
| 10 | 1,250 | 1.25 | 0.00125 | 0.00000125 | 0.00000000125 |
| 25 | 3,125 | 3.125 | 0.003125 | 0.000003125 | 0.000000003125 |
| 50 | 6,250 | 6.25 | 0.00625 | 0.00000625 | 0.00000000625 |
| 100 | 12,500 | 12.5 | 0.0125 | 0.0000125 | 0.0000000125 |
| 500 | 62,500 | 62.5 | 0.0625 | 0.0000625 | 0.0000000625 |
| 1,000 | 125,000 | 125 | 0.125 | 0.000125 | 0.000000125 |
FAQs: Kilobit (Kb) Storage Conversion
How many bytes are in 1 kilobit?
1 Kilobit (Kb) equals 125 bytes.
How do I convert kilobits to other data storage units?
Enter a value in the kilobits field above — the converter instantly recalculates the equivalent in all 35 storage units, from bits to yottabytes, using the Kb to bits conversion factor.
Is a kilobit the same as a byte?
No. 1 kilobit (Kb) equals 125 bytes, not a single byte.
What is a kilobit (Kb) commonly used for?
Dial-up modem speeds, low-bandwidth connections, audio bitrates.
What is the difference between Kilobit (Kb) and Kibibit (Kib)?
Kibibit (Kib) is 2.4% larger than Kilobit (Kb). Kilobit is the decimal (SI) unit, base 1000, while Kibibit is the binary (IEC) unit, base 1024.
Convert Kilobits to Any Other Unit
Every Kb conversion page is one click away.