Data Storage Converter

Convert between bytes, kilobytes, megabytes, gigabytes, terabytes and more.

Binary vs Decimal

There are two standards for measuring data storage:

StandardBase1 KB equalsUsed by
Binary (IEC)10241,024 bytesOperating systems, RAM
Decimal (SI)10001,000 bytesHard drives, SSDs, marketing

Note: This is why a "1 TB" hard drive shows as ~931 GB in your operating system.

Data Storage Units

UnitBinary (bytes)Decimal (bytes)
1 KB1,0241,000
1 MB1,048,5761,000,000
1 GB1,073,741,8241,000,000,000
1 TB1,099,511,627,7761,000,000,000,000
1 PB1,125,899,906,842,6241,000,000,000,000,000

Common File Sizes

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