Data Storage Converter
Convert digital file sizes between Bits, Bytes, KB, MB, GB, TB, and PB in Decimal (1000) or Binary (1024).
Conversion Formula & Standards
Conversions follow International System of Units (SI) and ISO standard constants.
How to Use Data Storage Converter
Enter the file or storage size.
Toggle between Standard Decimal (1000 base used by hard drive makers) or Binary (1024 base used by operating systems).
Select From and To data units.
Instantly see how many files, songs, or 4K videos that represents.
Frequently Asked Questions
Why does my 1TB hard drive show as only 931 GB in Windows?
Hard drive manufacturers measure 1 TB as 1,000,000,000,000 bytes (decimal base 1000). Operating systems like Windows measure in binary (1 TiB = 1024³ bytes), resulting in ~931.32 GiB.
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