Data Storage Converter
Convert between bytes, KB, MB, GB, TB, and PB instantly
Storage Converter
Common Conversions
Understanding Binary (Base-2) Storage
This converter uses binary (base-2) calculations, which is the standard used by operating systems and most software.
Binary (IEC Standard)
- • 1 KB = 1,024 bytes
- • 1 MB = 1,024 KB
- • 1 GB = 1,024 MB
- • 1 TB = 1,024 GB
Used by: Windows, macOS, Linux
Decimal (SI Standard)
- • 1 KB = 1,000 bytes
- • 1 MB = 1,000 KB
- • 1 GB = 1,000 MB
- • 1 TB = 1,000 GB
Used by: Storage manufacturers
Note: This is why a "1 TB" hard drive shows as ~931 GB in your operating system!
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⚠️ Important Disclaimer
This tool provides estimates for informational purposes only. Results should not be relied upon for important decisions. Always consult with a qualified professional for advice specific to your situation.
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Frequently Asked Questions
What's the difference between KB and KiB?
KB (kilobyte) traditionally meant 1,024 bytes in computing, but manufacturers use 1,000 bytes. KiB (kibibyte) specifically means 1,024 bytes. This converter uses the binary (1,024) standard.
Why does my 1 TB drive show less space?
Storage manufacturers use decimal (1 TB = 1,000 GB), but operating systems use binary (1 TB = 1,024 GB). A "1 TB" drive (1,000,000,000,000 bytes) appears as 931 GB in your OS.
How many MB in a GB?
Using binary calculation: 1 GB = 1,024 MB. Using decimal calculation: 1 GB = 1,000 MB. This converter uses the binary standard (1,024).
What's bigger than a terabyte?
After terabyte (TB) comes petabyte (PB), then exabyte (EB), zettabyte (ZB), and yottabyte (YB). Each is 1,024 times larger than the previous unit in binary.