Torr to PSI Converter (Torr to psi)

How to Convert Torr to PSI

Formula: PSI = Torr × 0.01933671

Example: 1 Torr = 0.01933671 psi

You can also use the interactive converter above. Simply enter any Torr value and the equivalent PSI value will appear instantly. Click the ⇄ button to reverse the conversion.

Here is a closer look at what Torr and PSI are used for, plus answers to the questions people ask most about this conversion.

Step-by-step example — Convert 10 Torr to psi:

What is Torr and PSI?

A Torr is a pressure unit based on the height of a mercury column, historically tied to barometer readings.

PSI (pounds per square inch) is the imperial pressure unit used throughout the US for everyday pressure measurement.

Real World Uses of Torr to PSI Conversion

• Torr: Commonly used for specifying pressure in vacuum pump and chamber applications.
• PSI: Commonly used for rating hydraulic and pneumatic tool pressure.
• Torr: Commonly used in vacuum technology and laboratory equipment to measure low pressures.
• PSI: Commonly used in the US for car and bicycle tyre pressure.

Frequently Asked Questions

What is the formula to convert Torr to PSI?

The formula is: PSI = Torr x 0.01933671. Multiply any Torr value by 0.01933671 to get the equivalent in PSI.

What is 1 Torr in PSI?

1 Torr = 0.01933671 psi.

How many Torr are in 1 PSI?

1 psi = 51.715105620346 Torr.

Is Torr bigger or smaller than PSI?

Torr is smaller than PSI. 1 PSI = 51.715105620346 Torr.

What is 100 Torr in psi?

100 Torr = 1.933671368 psi.

What is 50 psi in Torr?

50 psi = 2,585.754789 Torr.

Where does the torr unit name come from?

The torr is named after Evangelista Torricelli, the physicist who invented the mercury barometer — 1 torr was originally defined as 1 mm of mercury.