Torr to Millibar Converter
Enter a pressure value and pick the conversion direction.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
The torr is a pressure unit defined so that standard atmospheric pressure equals exactly 760 torr, making it essentially equivalent to a millimeter of mercury (mmHg) — the unit is named after Evangelista Torricelli, inventor of the mercury barometer. The millibar, one-thousandth of a bar, is the everyday unit of meteorology (equivalent to the hectopascal, hPa, used on modern weather charts).
The two units are common in different fields — torr dominates vacuum science and lab equipment specs (turbo pumps, vacuum chambers, deposition systems), while millibar/hPa dominates weather reporting and barometric pressure readings — so converting between them, using 1 torr = 1.33322 mbar, comes up whenever the two contexts meet, such as reading a vacuum gauge against sea-level atmospheric reference.
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