Converter hub
Data Storage Converter
Data storage conversions mix decimal units (kB = 1,000 bytes) and binary units (KiB = 1,024 bytes). This page uses bits as the base, so 1 byte = 8 bits. Pick a pair below or open the page for the exact factor, a worked example and a full chart.
Units in this category
Data storage conversions mix decimal units (kB = 1,000 bytes) and binary units (KiB = 1,024 bytes). This page uses bits as the base, so 1 byte = 8 bits.
| Unit | Symbol | Definition |
|---|---|---|
| Terabytes | TB | A decimal terabyte is 10^12 bytes; a tebibyte is 2^40 bytes, about 9.95% more. |
| Gigabytes | GB | A decimal gigabyte is 10^9 bytes; a gibibyte is 2^30 bytes. |
| Megabytes | MB | A decimal megabyte is 10^6 bytes; a mebibyte is 2^20 bytes. |
| Kilobytes | KB | A decimal kilobyte is 1,000 bytes; a kibibyte is 1,024 bytes. |
| Petabytes | PB | A decimal petabyte is 10^15 bytes; a pebibyte is 2^50 bytes. |
| Gibibytes | GiB | A gibibyte is 2^30 bytes, or about 1.0737 decimal gigabytes. |
| Bits | bit | A bit is one binary digit; eight bits make one byte. |
All data storage conversions
Every listed pair has its own page with the formula, examples and a chart. Choose the starting unit:
Petabytes (PB)
Gibibytes (GiB)
Bits (bit)
Frequently asked questions
How many data storage units are supported?
7 units, which gives 12 one-way conversions.
Are the factors exact?
They follow SI and international definitions. Where a unit is approximate by nature (for example Mach, months or fuel economy), the page says so.
Can I convert in both directions?
Yes. Every pair page has a swap link and the calculator accepts any decimal value.