Unit Converters

Data Storage Converter

Convert bits and bytes using clearly separated SI and IEC prefixes.

Convert data storage values with clear unit labels, full-precision calculations, and a practical reference table.

Use the Data Storage Converter

Enter a value, choose the units, and calculate. Your input stays in this browser.

How to use the Data Storage Converter

  1. Enter the source value.
  2. Choose the source and destination measurement units or systems.
  3. Select Calculate and review the result, formula, and reference values.
  4. Use Swap where available to reverse the selected units.

Worked example

Enter 1, choose the source and destination units, and calculate to see the converted value and relationship.

Assumptions and limitations

  • SI prefixes use powers of 1000; IEC prefixes use powers of 1024.
  • Storage device capacity and usable formatted space can differ.

Frequently asked questions

How accurate is the Data Storage Converter?

The calculator uses documented conversion constants and keeps normal browser numeric precision until display rounding.

Are my values stored?

No. The conversion runs in your browser and entered values are not saved.

Why can a converted value be approximate?

Some units depend on a convention or physical conditions. Any such assumption is stated beside the result.