Unit Converters

Data Size Converter

Convert digital storage between bits, bytes, and decimal (KB, MB, GB, TB, PB) and binary (KiB, MiB, GiB, TiB) units.

Amount

Settings

Output

Result appears here after you select

{ } How to use

  1. Type the amount of data you want to convert.
  2. Pick the unit you have in From and the unit you want in To — the result updates as you change them.

{ } How it works

Data Size Converter works on the text you provide. Adjust the options, then select Process ▸ and it runs entirely in your browser — nothing is uploaded to a server — then shows the result in the Output panel.

Inputs

  • Amount — paste or type your input in the left panel (use Sample for an example)
  • From — choose one — Bits (bit), Bytes (B), Kilobytes (KB), Kibibytes (KiB), Megabytes (MB), Mebibytes (MiB), Gigabytes (GB), Gibibytes (GiB), Terabytes (TB), Tebibytes (TiB), Petabytes (PB) (default: Megabytes (MB))
  • To — choose one — Bits (bit), Bytes (B), Kilobytes (KB), Kibibytes (KiB), Megabytes (MB), Mebibytes (MiB), Gigabytes (GB), Gibibytes (GiB), Terabytes (TB), Tebibytes (TiB), Petabytes (PB) (default: Mebibytes (MiB))

Output

TXT text — copy or download it from the Output panel.

{ } Common uses

  • Convert a figure from a recipe, a datasheet or a spec written in other units.
  • Check a supplier or paper that quotes the metric value against the imperial one.
  • Settle a unit mismatch between two systems before the number goes into code.

{ } Limitations

  • Enter a plain number: a value with the unit typed into it, a thousands separator or a fraction is not parsed.
  • Results are rounded to 12 significant digits, which is past the precision of any measurement but not exact for every ratio.
  • Decimal and binary units are both listed and they are not the same: a KB is 1,000 bytes and a KiB is 1,024. Drive makers quote decimal, most operating systems report binary, and that gap is why a "1 TB" disk shows as roughly 931 GiB.

{ } FAQ

Is my data uploaded to a server?

No. Everything runs locally in your browser — your files never leave your device.

Can I process more than one file at once?

This tool works on one input at a time.

Is this tool free?

Yes — it’s completely free and needs no sign-up.

Is the conversion exact?

The factors are the exact defined ones where a definition exists — a pound is 0.45359237 kg by definition, an inch is 25.4 mm. What rounds is the arithmetic, at the twelfth significant digit.