Data Storage Converter
Convert between bits, bytes, KB, MB, GB, TB and binary KiB, MiB, GiB units. Free data size converter.
Frequently asked questions
- What is the difference between GB and GiB?
- A gigabyte is 1,000,000,000 bytes while a gibibyte is 1,073,741,824 bytes. Both are supported so you can convert either way.
- Which units are available?
- Bits and bytes plus decimal kilo, mega, giga, tera and peta, and their binary counterparts KiB, MiB, GiB, TiB and PiB.
- Why does my 1 TB drive show as 931 GB?
- The drive is sold in decimal terabytes but your operating system reports binary gibibytes, so the number looks smaller.
- Is the converter accurate?
- Yes, it multiplies by exact factors. Results are shown with full JavaScript number precision.
This tool runs entirely in your browser. No data is uploaded anywhere.