How do I use the data size converter (KB, MB, GB)?
- Enter the value.
- Choose its unit and whether it is decimal or binary.
- Read the size in every other unit.
Data size converter (KB, MB, GB): frequently asked questions
Is 1 GB 1000 MB or 1024 MB?
Both are used. In decimal units 1 GB = 1000 MB. In binary units 1 GiB = 1024 MiB. Operating systems often show binary values with decimal names.
Why does my 1 TB drive show 931 GB?
The maker counts 1 TB as 10¹² bytes; Windows divides by 1024³ and calls the result GB, which gives about 931.
What is the difference between Mb and MB?
Mb is megabits, MB is megabytes. 8 bits make one byte, so 100 Mbps is about 12.5 MB per second.
Which units do hosting plans use?
Usually decimal GB for storage and bandwidth, but check your provider.
What is a KiB?
A kibibyte: 1024 bytes. The “i” marks binary units.
How big is a 4K video?
It depends on bitrate. At 20 Mbps, one minute is about 150 MB.
Does it handle very large values?
Yes, up to petabytes.
Is anything uploaded?
No. It runs in your browser.
Is there an API for this tool?
Selected tools are available through a rate-limited public API. Contact us if you need higher volumes.
Is the data size converter (kb, mb, gb) free?
Yes. It is free with no sign-up and no usage limits for normal use.