TB to MB
One TB equals 1000000 MB. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| TB | MB |
|---|---|
| 1 TB | 1000000 MB |
| 2 TB | 2000000 MB |
| 3 TB | 3000000 MB |
| 5 TB | 5000000 MB |
| 10 TB | 10000000 MB |
| 15 TB | 15000000 MB |
| 20 TB | 20000000 MB |
| 25 TB | 25000000 MB |
| 50 TB | 50000000 MB |
| 100 TB | 100000000 MB |
| 500 TB | 500000000 MB |
| 1000 TB | 1000000000 MB |
How to use
- Enter the number of TB in the field.
- The result in MB updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: MB = TB × 1000000. Going back the other way, one MB is 0.000001 TB.
Decimal and binary units are not the same
Storage is sold in decimal units — a kilobyte is 1000 bytes — while operating systems often count in binary, where a kibibyte is 1024. That is the whole reason a “500 GB” drive shows up as roughly 465 GiB in the system.
MB = TB × 1000000
Frequently asked questions
How many MB are in one TB?
One TB is 1000000 MB.
How do I convert TB to MB?
Multiply by the factor: MB = TB × 1000000.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert MB back to TB?
One MB is 0.000001 TB — or open the reverse page linked below.