Data Size Converter

Decode digital storage mysteries with precision conversions between bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes. Essential for IT professionals, content creators, and anyone managing file sizes, storage capacity, and bandwidth calculations across metric and binary systems.

data

bytes

kilobytes

Quick Data Size Conversions

Common storage sizes for quick reference

1Data Size Conversion

Convert between different data size units instantly.

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Value

Binary vs Decimal Systems

Understanding the difference between computer storage and marketing measurements

Binary System (Computer)

1 KB =1,024 bytes

1 MB =1,024 KB

1 GB =1,024 MB

Used by operating systems and file systems for actual storage capacity

Decimal System (Marketing)

1 KB =1,000 bytes

1 MB =1,000 KB

1 GB =1,000 MB

Used by manufacturers for marketing and packaging

💡 This converter uses the binary system (1024-based) which is correct for computer storage calculations. Hard drive manufacturers use decimal (1000-based) for marketing, which is why your drive may show less capacity than advertised.

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