What is the Storage Converter & Transfer Time?
Phone and drive makers count 1 GB as 1000 MB, while Windows and Android count in 1024s. That is why a 256 GB phone shows about 238 GB. This tool converts between bytes, KB, MB, GB and TB in both systems and estimates how long a file takes to copy or download.
How to use it
- Enter a size and choose its unit.
- Switch between counting in 1000s (the box) and 1024s (your computer).
- Read the value in every unit, and the usable size of a drive sold in GB.
- Pick your connection speed to see the transfer time.
Private by design
This tool runs in your browser. What you paste or type is processed on your own device and is never uploaded, stored or shared, so it is safe to use with real work data.
Frequently asked questions
Why does my 256 GB phone show less storage?
The box counts 1 GB as 1,000,000,000 bytes while the system divides by 1024 three times, so 256 GB shows as about 238 GB. The system and pre-installed apps take more of it.
What is the difference between MB and Mb?
MB is megabytes (file size); Mb is megabits (connection speed). One byte is 8 bits, so a 100 Mbps connection moves about 12.5 MB each second.
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