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Kilobytes to Bytes Converter

Free instant KB → B converter. No signup, no uploads — everything is calculated privately in your browser.

1 KB = 1,024 bytes

Free and instant — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 kilobyte equals 1,024 bytes. To convert kilobytes to bytes, multiply the value by this factor.

Key Facts

  • Reverse: 1 byte = 0.000976563 kilobytes.
  • Binary convention: each step multiplies by 1,024, not 1,000.

Kilobytes to Bytes Formula

Formula: value × 1,024

Prefer to skip the math? Type any value in the converter above and it converts instantly.

Kilobytes to Bytes Conversion Table

Kilobytes (KB)Bytes (B)
1 KB1,024 B
2 KB2,048 B
5 KB5,120 B
10 KB10,240 B
25 KB25,600 B
50 KB51,200 B
100 KB102,400 B
250 KB256,000 B
500 KB512,000 B
1,000 KB1,024,000 B

Frequently Asked Questions

How do I convert kilobytes to bytes?

Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value × 1,024.

What is the exact kilobytes to bytes conversion factor?

1 kilobyte = 1,024 bytes (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 byte = 0.000976563 kilobytes.

What are some common kilobytes to bytes conversions?

1 KB = 1,024 B; 10 KB = 10,240 B; 100 KB = 102,400 B. Use the full conversion table below for more reference values.

Is a kilobyte 1,000 or 1,024 bytes?

This converter uses the binary convention: 1 KB = 1,024 bytes, 1 MB = 1,024 KB, and so on. That matches how operating systems report memory and file sizes. Storage manufacturers often use the decimal convention (1 KB = 1,000 bytes), which is why a "500 GB" drive shows less capacity in Windows.

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