Skip to main content
Unit Conversion & Everyday Life

Data Storage Converter

Convert data sizes between bits, bytes, decimal units (kB, MB, GB, TB) and binary units (KiB, MiB, GiB, TiB).

Your inputs

Results

1 GB in MB

1,000 MB

Conversion type
Exact (from defined constants; display rounded to 12 significant figures)
1 GB =
1,000 MB

✓Exact calculation — rounded only for display

1 GB in all data storage units16 rows
UnitValue
Bit (bit)8,000,000,000
Nibble (nibble)2,000,000,000
Byte (B)1,000,000,000
Kilobyte (10³) (kB)1,000,000
Megabyte (10⁶) (MB)1,000
Gigabyte (10⁹) (GB)1
Terabyte (10¹²) (TB)0.001
Petabyte (10¹⁵) (PB)0.000001
Kibibyte (2¹⁰) (KiB)976,562.5
Mebibyte (2²⁰) (MiB)953.674316406
Gibibyte (2³⁰) (GiB)0.9313225746
Tebibyte (2⁴⁰) (TiB)0.0009094947
Pebibyte (2⁵⁰) (PiB)8.88178E-7
Kilobit (kbit)8,000,000
Megabit (Mbit)8,000
Gigabit (Gbit)8

What this calculator does

Storage uses both decimal (powers of 1000) and binary (powers of 1024) prefixes, which causes confusion. This tool keeps them separate.

Formula and method

1 kB = 1000 B; 1 KiB = 1024 B; 1 byte = 8 bits

Worked example

Calculated by this tool with its default inputs:

Inputs

  • Value: 1
  • From: Gigabyte (10⁹) (GB)
  • To: Megabyte (10⁶) (MB)

Results

  • 1 GB in MB: 1,000 MB
  • Conversion type: Exact (from defined constants; display rounded to 12 significant figures)
  • 1 GB =: 1,000 MB

How to read the results

1 TB (decimal) is about 931.32 GiB.

Assumptions and limitations

  • IEC binary prefixes (KiB, MiB…) are defined in IEC 80000-13.
  • Constants follow NIST SP 811 and the SI Brochure. Conversions marked exact follow from defined values; display is rounded to 12 significant figures.

Questions

Why does my drive look smaller?

See the binary and decimal storage converter for the explanation.

Sources

Methodology and verification

Result type
Exact mathematical calculation (rounded only for display)
Formula version
1.0
Automated verification
8 reference and validation test cases, checked against independently computed values. The site cannot be built if any of them fail.
Editorial review
Awaiting human editorial review. The explanation was drafted with AI assistance; the formula and examples are verified by the automated tests above.

Privacy

Everything you enter is calculated in this browser and is not sent to Numerith or anyone else. Inputs are added to a share link only if you choose to include them. Privacy policy