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Convert Kilobytes to Bytes

Kilobytes to Bytes conversion table

Kilobytes (KB)Bytes (B)
1 KB1024 B
2 KB2048 B
5 KB5120 B
10 KB10240 B
25 KB25600 B
50 KB51200 B
100 KB102400 B
200 KB204800 B
500 KB512000 B
1000 KB1024000 B

How to convert kilobytes to bytes

Converting Kilobytes (KB) to Bytes (B) is a common task in digital storage measurements. Digital storage conversions help when comparing file sizes, device capacities, and download speeds — note that these use binary (1024-based) multiples.

Formula: Multiply the kilobytes value by 1024. In equation form: B = KB × 1024.

One kilobytes equals approximately 1024 B. This means you can multiply any KB value by 1024 to get the equivalent in B.

For instance, converting 25 KB gives 25600 B. Try different values using the quick-value chips or type directly into the input field.

Common mistake: Marketing often uses decimal gigabytes (1 GB = 1,000 MB) while operating systems use binary gibibytes (1 GiB = 1,024 MiB) — check which standard applies.

Bookmark this page for quick KB to B conversions, or use the swap button to reverse the direction and convert B back to KB.

Related conversions

Bytes to Kilobytes

Frequently asked questions

1 KB equals 1024 B.

Multiply the kilobytes value by 1024.

10 KB = 10240 B.