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Datengrößen-Umrechner

Digitale Datengrößeneinheiten umrechnen — Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes und ihre binären Entsprechungen.

Digitale Speichereinheiten umrechnen — Dezimal (KB, MB, GB) und Binär (KiB, MiB, GiB)

Ergebnis
Wert zum Umrechnen eingeben
Dezimale Einheiten (KB, MB, GB) verwenden den Faktor 1000. Binäre Einheiten (KiB, MiB, GiB) verwenden den Faktor 1024. Betriebssysteme und Hardware können Größen unterschiedlich anzeigen.

How to Use This Tool

  1. 1

    Enter a data size value

    Type the numeric file or storage size you want to convert.

  2. 2

    Select the source unit

    Choose from bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes, or their binary equivalents (KiB, MiB, GiB, TiB, PiB).

  3. 3

    Pick the target unit

    Select the unit to convert to. Use the swap button to quickly reverse the conversion direction.

  4. 4

    Compare all units at once

    The expanded table below the result shows your value in every data size unit — both decimal (SI) and binary (IEC) standards.

Frequently Asked Questions

What is the difference between MB and MiB?
MB (megabyte) uses the decimal standard: 1 MB = 1,000,000 bytes. MiB (mebibyte) uses the binary standard: 1 MiB = 1,048,576 bytes. Hard drive manufacturers use MB, while operating systems often use MiB.
How many gigabytes are in a terabyte?
In the decimal (SI) standard, 1 TB = 1,000 GB. In the binary (IEC) standard, 1 TiB = 1,024 GiB.
Why does my hard drive show less space than advertised?
Manufacturers label drives using decimal units (1 TB = 1,000 GB), but many operating systems display sizes in binary units (1 TiB = 1,024 GiB). This makes a 1 TB drive appear as roughly 931 GiB.
What are the binary IEC units?
IEC units (KiB, MiB, GiB, TiB, PiB) use powers of 1,024 instead of 1,000. They were introduced to eliminate confusion between decimal and binary interpretations of kilo, mega, giga, etc.