Data size converter
Convert bytes, KB, MB, GB, TB and bits, in decimal or binary
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How to use it
- Enter your numbers.
- The result updates as you type.
- Change any value to see a different outcome.
Questions
Why does my 1 TB drive show up as 931 GB?
Drive makers count 1 TB as 1,000,000,000,000 bytes. Windows counts in binary units, where 1 GB is 1,073,741,824 bytes, so the same drive shows as about 931 GB (which is really GiB).
How do I convert megabits to megabytes?
Divide by 8. A 100 Mbit/s connection moves at most 12.5 MB per second.
Is anything I enter stored?
No. Calculations happen in your browser and nothing you type is sent or saved.
Is it free?
Yes, you can use it for free. A subscription removes limits and unlocks premium tools.