Convert Kilobyte to Byte
Turn Kilobytes into Bytes in an instant. Type a value below to get an accurate KB → B result, with the formula and a quick-reference table.
1 KB = 1,000 B
Quick answer: 1 Kilobyte = 1,000 Byte
Kilobyte to Byte conversion table
| Kilobyte (KB) | Byte (B) |
|---|---|
| 1 KB | 1,000 B |
| 2 KB | 2,000 B |
| 5 KB | 5,000 B |
| 10 KB | 10,000 B |
| 20 KB | 20,000 B |
| 50 KB | 50,000 B |
| 100 KB | 100,000 B |
| 500 KB | 500,000 B |
| 1,000 KB | 1,000,000 B |
How to convert Kilobyte to Byte
To convert Kilobytes to Bytes, multiply the value by 1,000.
- Take your measurement in Kilobytes.
- Multiply it by 1,000 — the number of Bytes in one Kilobyte.
- The result is the same amount, expressed in Bytes.
To go the other way, multiply Bytes by 0.001 — or simply divide by 1,000.
For example, a plain-text email is about 100 KB, which is 100,000 B.
About Kilobyte and Byte
A kilobyte is 1,000 bytes in the decimal (SI) convention used by storage makers and macOS. It sizes small files such as documents, icons and short emails.
A byte is 8 bits, the basic building block for file sizes. It is the foundation for kilobytes, megabytes and gigabytes.
The Kilobyte is a decimal (SI) unit while the Byte comes from the digital system — which is exactly why this conversion comes up so often. One Kilobyte equals 1,000 Bytes.
Other data storage conversions
Frequently asked questions
How many Bytes are in a Kilobyte?
1 Kilobyte equals 1,000 Byte (KB → B). To convert any amount, multiply the number of Kilobytes by 1,000.
How do I convert Kilobyte to Byte?
Enter the number of Kilobytes in the converter above and read the result in Bytes. It applies the exact KB → B factor instantly, with full precision.
Is the Kilobyte to Byte converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined data storage factors and full floating-point precision, then rounds the display to a clean, readable number.