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Convert KB to MB

Convert data storage units instantly: bits, bytes, KB, MB, GB, TB and the binary KiB, MiB, GiB, TiB — with the 1000 vs 1024 distinction made explicit.

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Result

This page opens the data storage converter preset to kilobytes → megabytes. With decimal SI units one megabyte is exactly 1,000 kilobytes, so MB = KB ÷ 1,000: a 350 KB photo is 0.35 MB, and 12,800 KB is 12.8 MB.

Historically "KB" often meant 1,024 bytes, a convention now formally called the kibibyte (KiB), with 1 MiB = 1,024 KiB. Email attachment limits, upload forms and older software may quietly use either rule, which is why converted numbers sometimes look slightly off. This tool makes the choice explicit: use KB/MB for the decimal rule or KiB/MiB for the binary one — never a hidden mix.

People hit this conversion when checking image sizes against a "max 2 MB" upload form, estimating how many document scans fit in an email, or reading old file listings quoted in kilobytes. Enter the KB value, press Convert, and copy the megabyte result in one click.

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Executed in Browser

Your files and inputs never leave this device. Processing runs completely offline. 100% Secure.

Accepted Formats & Rules

  • Ten units: bit, byte, KB, MB, GB, TB, KiB, MiB, GiB, TiB.
  • Exact factors: decimal units use powers of 1,000, binary units use powers of 1,024, and 1 byte = 8 bits.
  • One-click copy of the conversion result.

Key Benefits

✓ Covers both unit families in one place: decimal SI units (1 kB = 1,000 bytes) and binary IEC units (1 KiB = 1,024 bytes), so you can finally compare them directly.
✓ Every result comes with a reminder of the SI vs binary distinction — the exact reason a "1 TB" drive shows up as roughly 931 GiB in your operating system.
✓ Runs entirely in your browser: no upload, no account, and the math uses exact integer factors, not rounded approximations.

Use Cases

  • • Convert a download size from megabytes to gigabytes to see whether it fits into your remaining cloud storage quota.
  • • Check why a 1 TB drive shows up as roughly 931 GiB in Windows by converting between decimal (1000) and binary (1024) units.
  • • Translate a network speed quoted in bits into bytes to estimate the real download rate of a 100 Mbps connection.