Torr

What is a Torr?

Definition

A torr is a unit of pressure equal to 1/760 of an atmosphere, approximately 133.3 pascals.

Popular Torr Conversions

Most common conversions from Torr

1 Torr = 133.322 Pa Torr to Pascals 1 Torr = 0.133322 kPa Torr to Kilopascals 1 Torr = 0.000133322 MPa Torr to Megapascals 1 Torr = 0.00133322 bar Torr to Bars 1 Torr = 1.3332 mbar Torr to Millibars 1 Torr = 0.019337 psi Torr to PSI

History

The torr is named after Evangelista Torricelli, who invented the barometer in 1644. It is nearly identical to mmHg.

Common Uses

Vacuum technology
Blood pressure (historical)
Laboratory vacuum systems
Scientific research

Fun Facts

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760 torr equals 1 atmosphere

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High vacuum is less than 0.001 torr

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Torr and mmHg are nearly identical

All Torr Conversions

Torr to Pascals Torr → Pa Torr to Kilopascals Torr → kPa Torr to Megapascals Torr → MPa Torr to Bars Torr → bar Torr to Millibars Torr → mbar Torr to PSI Torr → psi Torr to Atmospheres Torr → atm Torr to mmHg Torr → mmHg