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💾 Storage Converter

Convert between all digital storage units instantly — bits, bytes, KB, MB, GB, TB, PB, EB, ZB, YB and binary IEC units (KiB–YiB) in both decimal (SI) and binary standards.

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Understanding Storage Converter

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What is Storage Conversion?

Storage conversion is the process of converting digital data sizes between different units such as Bits, Bytes, Kilobytes (KB), Megabytes (MB), Gigabytes (GB), Terabytes (TB), Petabytes (PB), and beyond.

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Common Storage Units

  • 1 Byte (B) = 8 Bits (b)
  • 1 Kilobyte (KB) = 1,000 Bytes (decimal / SI)
  • 1 Kibibyte (KiB) = 1,024 Bytes (binary / IEC)
  • 1 Megabyte (MB) = 1,000 KB · 1 MiB = 1,024 KiB
  • 1 Gigabyte (GB) = 1,000 MB · 1 GiB = 1,024 MiB
  • 1 Terabyte (TB) = 1,000 GB · 1 TiB = 1,024 GiB
  • 1 Petabyte (PB) = 1,000 TB · 1 PiB = 1,024 TiB
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Storage Conversion Tips

  • Verify whether your system uses binary (1024) or decimal (1000) calculations.
  • Cloud providers often bill storage in GB or TB.
  • Network speeds are usually measured in bits, while file sizes are measured in bytes.
  • Convert storage sizes before estimating backup and transfer times.
FAQ

Frequently Asked Questions

Common questions about Storage Converter calculations

What is the difference between GB and GiB?
GB (gigabyte) uses the decimal definition: 1 GB = 1,000,000,000 bytes (10⁹). GiB (gibibyte) uses the binary definition: 1 GiB = 1,073,741,824 bytes (2³⁰). A 1 TB hard drive actually contains 0.909 TiB of space. This is why a "1 TB" drive shows as ~931 GB in Windows — Windows actually displays GiB but labels them GB, causing confusion.
Why does my hard drive show less space than advertised?
Hard drive manufacturers use decimal (SI) units where 1 TB = 10¹² bytes. Operating systems (especially Windows) measure in binary: they divide by 2¹⁰ at each step and show the result with "GB" labels. A 1 TB drive = 1,000 GB decimal = ~931 GiB binary. macOS switched to decimal units in OS X 10.6, which is why the same drive shows different sizes on macOS vs Windows. Linux also uses binary units internally but typically labels them as GB/MB (like Windows), so a "500 GB" figure on Linux is usually 500 GiB — relevant for developers and server administrators debugging storage discrepancies.
How many bytes are in a gigabyte?
Decimal (SI): 1 GB = 1,000,000,000 bytes (1 billion bytes). Binary (IEC): 1 GiB = 1,073,741,824 bytes (~1.074 billion bytes). The difference is about 7.4% — significant at the terabyte scale.
What is the largest storage unit?
Common units go: bit → byte → KB → MB → GB → TB → PB (petabyte) → EB (exabyte) → ZB (zettabyte) → YB (yottabyte). The entire global internet traffic is measured in zettabytes per year. A single yottabyte is 10²⁴ bytes — current total global data storage is estimated at a few hundred zettabytes.
How many MB is a GB?
Decimal: 1 GB = 1,000 MB. Binary: 1 GiB = 1,024 MiB. For everyday purposes (file sizes, internet data), use 1 GB ≈ 1,000 MB. For RAM and some OS-level calculations, 1 GiB = 1,024 MiB is technically correct.

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