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Storage Converter

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Convert between storage units: bytes, KB, MB, GB, TB and binary equivalents (KiB, MiB, GiB, TiB). Perfect for understanding file sizes and storage capacities.

Decimal (SI) — ×1000
Binary (IEC) — ×1024

Decimal (SI) — ×1000

BBytes
1,000,000
KBKilobytes
1,000
MBMegabytes
1
GBGigabytes
0.001
TBTerabytes
0.000001
PBPetabytes
1.000e-9

Binary (IEC) — ×1024

BBytes
1,000,000
KiBKibibytes
976.563
MiBMebibytes
0.953674
GiBGibibytes
0.000931323
TiBTebibytes
9.095e-7
PiBPebibytes
8.882e-10

Quick Examples

1 GB
HD Movie
4.7 GB
DVD Capacity
128 GB
Smartphone Storage
1 TB
Hard Drive

Storage Standards Explained

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

Binary (IEC) Standard

  • • 1 KiB = 1,024 bytes
  • • 1 MiB = 1,024 KiB
  • • 1 GiB = 1,024 MiB
  • • 1 TiB = 1,024 GiB
  • • Used by operating systems

Common File Sizes

Text Document
1-100 KB
Digital Photo
1-10 MB
Music Song (MP3)
3-8 MB
HD Video (1 hour)
1-4 GB
4K Video (1 hour)
7-18 GB
PC Game
20-100 GB
ℹ️

Why Two Standards?

The decimal system is used by manufacturers for marketing, while the binary system is used by operating systems. This is why a "1TB" drive shows as ~931GB in your computer - it's the same amount of space measured differently.