🦊Foxulator
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Data Unit Converter

Convert between Bit, Byte, KB, MB, GB, TB and binary units (KiB, MiB, GiB) in real-time

Conversion Results

Base Units

Bit
8,000,000,000
bit
Byte
1,000,000,000
B

SI Units (Decimal) (SI, 1000 base)

Kilobyte
1,000,000
KB
Megabyte
1,000
MB
Gigabyte
1
GB
Terabyte
0.001
TB
Petabyte
0.000001
PB

Binary Units (IEC, 1024 base)

Kibibyte
976,562.5
KiB
Mebibyte
953.6743
MiB
Gibibyte
0.931323
GiB
Tebibyte
0.0009094947
TiB

SI Units vs Binary Units

SI Units (KB, MB, GB...)
  • • 1 KB = 1,000 Bytes
  • • 1 MB = 1,000 KB = 1,000,000 Bytes
  • • Used by HDD/SSD manufacturers, network speeds
Binary Units (KiB, MiB, GiB...)
  • • 1 KiB = 1,024 Bytes
  • • 1 MiB = 1,024 KiB = 1,048,576 Bytes
  • • Used by OS, RAM, actual storage display

Quick Reference

1 Byte = 8 bits
1 KB = 1,000 Bytes
1 KiB = 1,024 Bytes
1 GB = 1,000 MB = 10⁹ Bytes
1 GiB = 1,024 MiB ≈ 1.074 GB
1 TB = 1,000 GB = 10¹² Bytes

📖 How to Use

  1. Enter the value to convert
  2. Select the unit of your input value
  3. View real-time conversion results in all units
  4. Compare the difference between SI and binary units

✨ Features

  • ✓11 data units supported
  • ✓SI units (KB, MB, GB) and binary units (KiB, MiB, GiB) side by side
  • ✓Real-time automatic calculation
  • ✓SI vs binary units explanation
  • ✓Precise large-scale data calculation

📐 Formula

1 KB = 1,000 Bytes (SI), 1 KiB = 1,024 Bytes (Binary)

💡 How It Works

  • •Data storage capacity uses bit and Byte as base units.
  • •1 Byte = 8 bits, which is the basic unit for storing one character.
  • •SI units (KB, MB, GB, etc.) use base 1000 and are used by storage manufacturers and networks.
  • •Binary units (KiB, MiB, GiB, etc.) use base 1024 and are used by operating systems and programming.
  • •This difference is why a 1TB HDD shows as ~931GB in Windows (actually 931GiB).
  • •Network speeds (e.g., 100Mbps) always use SI units.

❓ FAQ

Q. Why does my 1TB SSD show as 931GB?

A. Manufacturers use 1TB = 1,000GB (SI units), but the OS displays using base 1024 (binary units). 1TB ÷ 1.024³ ≈ 931GiB.

Q. What's the difference between KB and KiB?

A. KB (kilobyte) is 1,000 Bytes (SI unit), KiB (kibibyte) is 1,024 Bytes (binary unit). About 2.4% difference.

Q. How many MB/s is 100Mbps internet?

A. 100Mbps = 100 Megabits/sec = 12.5 MB/sec. Divide bits by 8 to convert to Bytes.

Q. How much exactly is 16GB RAM?

A. RAM uses binary units, so 16GiB = 17,179,869,184 Bytes. This equals approximately 17.2GB in SI units.

Q. How large is a PB (petabyte)?

A. 1 PB = 1,000 TB = 1,000,000 GB. It can store about 500 hours of 4K video or 100 million photos.

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