UMARIX Unit ConverterData Storage Converter
Convert data storage between bytes, kilobytes, megabytes, gigabytes, and terabytes using 1024-based units, with the 1000-based decimal note explained.
Value in every unit
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How to use
- Enter the value you want to convert.
- Choose the unit you are converting from, then the unit you want.
- Read the live result instantly, use Swap to reverse the direction, or use Copy result to paste it elsewhere.
About this conversion
For example, 1 gigabyte in the 1024-based system used by most operating systems is 1,073,741,824 bytes. Note the difference: storage makers often advertise with decimal units where 1 GB means 1,000,000,000 bytes, which is why a drive advertised as 1 TB may show about 931 GiB in your operating system. Both systems are valid; this converter uses 1024-based units and labels them clearly.
Frequently asked questions
Why does my 1 TB drive show less space?
Makers often use 1000-based decimal gigabytes, while operating systems report 1024-based units, so 1,000,000,000,000 bytes shows as about 931 GiB.
How many megabytes are in a gigabyte?
In the 1024-based system, 1 GB is 1024 MB. In the decimal system, 1 GB is 1000 MB.
What is the difference between KB and kB?
KB here means 1024 bytes. In strict SI decimal notation, kB means 1000 bytes. Always check which definition a product uses.