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Pounds per Square Inch to Torr Converter

Convert pounds per square inch to torr and back instantly with formula and common values.

psi

Torr

749.8689

Torr

14.5 psi = 749.8689 Torr

Torr = psi × 51.7151

Pounds per Square Inch to Torr: 1 psi equals 51.715096 Torr. To convert pounds per square inch to torr, multiply by 51.715096 (Torr = psi × 51.7151). For example, 10 psi = 517.15096 Torr.

How to Convert Pounds per Square Inch to Torr

To convert from pounds per square inch to torr, multiply the value by 51.715096. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Pounds per Square Inch to Torr: Torr = psi × 51.7151
  • Torr to Pounds per Square Inch: psi = Torr ÷ 51.7151

Pounds per Square Inch to Torr Conversion Chart

Pounds per Square Inch (psi)Torr (Torr)
0.15.17151
0.2512.928774
0.525.857548
151.715096
2103.430192
3155.145288
5258.57548
10517.15096
201034.30192
251292.8774
502585.7548
1005171.5096
25012928.774
100051715.096

Understanding the Units

What is a Pounds per Square Inch?

One pound-force per square inch (psi) equals approximately 6,894.757 pascals.

Common contexts: tire pressure, plumbing, pneumatic systems (US).

What is a Torr?

One torr equals exactly 1/760 of a standard atmosphere, or about 133.322 pascals — close to one millimeter of mercury.

Named after Evangelista Torricelli (1608–1647), inventor of the barometer.

Common contexts: vacuum technology, medical blood pressure.

Real-World Reference Points

Item Pounds per Square Inch (psi) Torr (Torr)
Car tire (typical)321654.8831
US household water502585.7548
Bicycle road tire1005171.5096

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FAQ

How do I convert pounds per square inch to torr?

Multiply by 51.7151. For example, 14.5 psi × 51.7151 = 749.8689 Torr.

What is the formula for pounds per square inch to torr?

The formula is: Torr = psi × 51.7151.

How many torr are in one pounds per square inch?

One pounds per square inch equals 51.7151 torr.

How many torr are in 1 pounds per square inch?

1 psi equals 51.715096 Torr.

How do you convert pounds per square inch to torr?

Multiply the pounds per square inch value by 51.715096. Formula: Torr = psi × 51.7151.

How many torr are in 5 pounds per square inch?

5 psi = 258.57548 Torr.

How do you convert torr back to pounds per square inch?

Use the inverse formula: psi = Torr ÷ 51.7151. For example, 1 Torr = 0.019337 psi.

What is the difference between Pounds per Square Inch and Torr?

One pound-force per square inch (psi) equals approximately 6,894.757 pascals. One torr equals exactly 1/760 of a standard atmosphere, or about 133.322 pascals — close to one millimeter of mercury.