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.
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Quick Data Size Conversions
Common storage sizes for quick reference
1Data Size Conversion
Convert between different data size units instantly.
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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