1 KB = 1,000 bytes
Kilobytes (KB) Conversion
Kilobyte is the unit of digital information with prefix kilo (10³). 1 Kilobyte is equal to 10³ bytes = 1,000 bytes in decimal (SI). 1 Kilobyte is equal to 2¹⁰ bytes = 1,024 bytes in binary. Also see: Gigabytes.
Kilobyte at a Glance
- Symbol
- KB
- System
- Decimal (SI)
- Definition
- 1,000¹ bytes = 10³ bytes
- Exact value
- 1,000 bytes · 8,000 bits
- Binary twin
- Kibibyte (KiB) 1 KB ≈ 0.9766 KiB
- Used for
- Text documents, small images, email attachments, configuration files
Read Your KB Value in Every Other Unit
Type to narrow, everything else stays on screen
| Fundamental | ||
|---|---|---|
| Bit (b) | 8,000 | b |
| Nibble (nibble) | 2,000 | nibble |
| Byte (B) | 1,000 | B |
| Decimal (SI) | ||
| Megabyte (MB) | 0.001 | MB |
| Gigabyte (GB) | 0.000001 | GB |
| Terabyte (TB) | 0.000000001 | TB |
| Petabyte (PB) | 1.0000e-12 | PB |
| Exabyte (EB) | 1.0000e-15 | EB |
| Zettabyte (ZB) | 1.0000e-18 | ZB |
| Yottabyte (YB) | 1.0000e-21 | YB |
| Binary (IEC) | ||
| Kibibyte (KiB) | 0.9765625 | KiB |
| Mebibyte (MiB) | 0.000953674 | MiB |
| Gibibyte (GiB) | 0.000000931 | GiB |
| Tebibyte (TiB) | 9.0949e-10 | TiB |
| Pebibyte (PiB) | 8.8818e-13 | PiB |
| Exbibyte (EiB) | 8.6736e-16 | EiB |
| Zebibyte (ZiB) | 8.4703e-19 | ZiB |
| Yobibyte (YiB) | 8.2718e-22 | YiB |
| Decimal Bits | ||
| Kilobit (Kb) | 8 | Kb |
| Megabit (Mb) | 0.008 | Mb |
| Gigabit (Gb) | 0.000008 | Gb |
| Terabit (Tb) | 0.000000008 | Tb |
| Petabit (Pb) | 8.0000e-12 | Pb |
| Exabit (Eb) | 8.0000e-15 | Eb |
| Zettabit (Zb) | 8.0000e-18 | Zb |
| Yottabit (Yb) | 8.0000e-21 | Yb |
| Binary Bits | ||
| Kibibit (Kib) | 7.8125 | Kib |
| Mebibit (Mib) | 0.007629395 | Mib |
| Gibibit (Gib) | 0.000007451 | Gib |
| Tebibit (Tib) | 0.000000007 | Tib |
| Pebibit (Pib) | 7.1054e-12 | Pib |
| Exbibit (Eib) | 6.9389e-15 | Eib |
| Zebibit (Zib) | 6.7763e-18 | Zib |
| Yobibit (Yib) | 6.6174e-21 | Yib |
Kilobyte (KB) Among Data Storage Units
What Is a Kilobyte (KB)? Definition and Size
A kilobyte is 1,000 bytes using the SI decimal standard. Commonly used for small file sizes. The KB symbol is widely used in computing to represent kilobytes, making it essential for storage calculations and data transfer planning. Related: Bits.
Understanding how kilobytes relate to other storage units helps when sizing drives, planning backups, or estimating download times. Whether you're working with decimal (SI) units, accurate conversion is crucial for proper capacity planning.
Common uses: Text documents, small images, email attachments, configuration files See also: Exabytes.
1 kilobyte (KB) = 1,000 bytes — the kilobyte storage unit definition used across this data storage converter.
Quick Facts: Kilobyte (KB) Storage Unit
- Symbol: KB
- Unit type: Decimal (SI) — Base 1000
- 1 Kilobyte = 1,000 bytes
- 1 Kilobyte = 1 kilobytes (KB)
- Category: data storage converter, digital capacity calculator
How to Use the Kilobyte Storage Converter
- Enter a kilobyte (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.
Kilobyte at a Glance
| Symbol | KB |
|---|---|
| Type | Decimal (SI) — Base 1000 |
| Bytes equivalent | 1,000 bytes |
| Common uses | Text documents, small images, email attachments, configuration files |
Kilobyte (KB) vs Kibibyte (KiB): Decimal (SI) vs Binary (IEC)
Kibibyte (KiB) is 2.4% larger than Kilobyte (KB). Kibibyte uses base 1024 (binary/IEC — common in Windows and RAM specs); Kilobyte uses base 1000 (decimal/SI — the standard storage manufacturers advertise).
| Unit | Symbol | Base | Bytes |
|---|---|---|---|
| Kilobyte | KB | 1000 | 1,000 |
| Kibibyte | KiB | 1024 | 1,024 |
Kilobytes (KB) to Bytes, KB, MB, GB, TB — Conversion Table
| KB | Bytes | KB | MB | GB | TB |
|---|---|---|---|---|---|
| 1 | 1,000 | 1 | 0.001 | 0.000001 | 0.000000001 |
| 5 | 5,000 | 5 | 0.005 | 0.000005 | 0.000000005 |
| 10 | 10,000 | 10 | 0.01 | 0.00001 | 0.00000001 |
| 25 | 25,000 | 25 | 0.025 | 0.000025 | 0.000000025 |
| 50 | 50,000 | 50 | 0.05 | 0.00005 | 0.00000005 |
| 100 | 100,000 | 100 | 0.1 | 0.0001 | 0.0000001 |
| 500 | 500,000 | 500 | 0.5 | 0.0005 | 0.0000005 |
| 1,000 | 1,000,000 | 1,000 | 1 | 0.001 | 0.000001 |
FAQs: Kilobyte (KB) Storage Conversion
How many bytes are in 1 kilobyte?
1 Kilobyte (KB) equals 1,000 bytes.
How do I convert kilobytes to other data storage units?
Enter a value in the kilobytes 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 kilobyte the same as a byte?
No. 1 kilobyte (KB) equals 1,000 bytes, not a single byte.
What is a kilobyte (KB) commonly used for?
Text documents, small images, email attachments, configuration files.
What is the difference between Kilobyte (KB) and Kibibyte (KiB)?
Kibibyte (KiB) is 2.4% larger than Kilobyte (KB). Kilobyte is the decimal (SI) unit, base 1000, while Kibibyte is the binary (IEC) unit, base 1024.
Convert Kilobytes to Any Other Unit
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