Convert Torr to Pounds per Square Inch
Instantly convert Torr (torr) to Pounds per Square Inch (psi) with our free online calculator.
Formula: torr to psi — multiply by 0.0193367
Reference Table
| Torr (torr) | Pounds per Square Inch (psi) |
|---|---|
| 1 | 0.0193367 |
| 5 | 0.0966836 |
| 10 | 0.193367 |
| 25 | 0.483418 |
| 50 | 0.966836 |
| 100 | 1.93367 |
How to Convert Torr to Pounds per Square Inch
Formula
To convert Torr (torr) to Pounds per Square Inch (psi): multiply by 0.0193367
Step-by-Step
- Start with your value in Torr (torr).
- Multiply by 0.0193367 to perform the conversion.
- The result is your value expressed in Pounds per Square Inch (psi).
Conversion Factor
1 torr = 0.0193367 psi
Reverse Factor
1 psi = 51.7151 torr
Worked Example
Convert 25 Torr to Pounds per Square Inch: 25 torr = 0.483418 psi
About Torr (torr)
A unit of pressure equal to 1/760 of a standard atmosphere (about 133.322 Pa), numerically almost identical to one mmHg. Named after 17th-century physicist Evangelista Torricelli, who invented the mercury barometer. Torr is the primary unit in vacuum technology: semiconductor chamber pressure, mass spectrometry, cryogenic systems, and space environment testing. A "rough vacuum" is ~1 torr, high vacuum is 10⁻⁶ torr, ultrahigh vacuum is 10⁻⁹ torr or lower.
About Pound per Square Inch (psi)
An imperial unit of pressure equal to one pound-force applied over one square inch (about 6,895 Pa). PSI is the dominant US pressure unit: tire inflation (32–35 psi for most cars), compressed air systems, hydraulic equipment, firearms ammunition chamber pressures, and municipal water supply. US engineering textbooks and specifications for valves, pumps, and pipes are still written in psi. Converting psi to kPa (×6.895) or psi to bar (÷14.504) are the most common US-to-metric pressure conversions.
Quick Facts
- 1 Torr equals 0.0193367 Pounds per Square Inch
- 1 Pound per Square Inch equals 51.7151 Torr
- Torr is a unit of pressure
- Pound per Square Inch is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Pound per Square Inch belongs to the imperial system
Common Torr to Pound per Square Inch Conversions
| Torr (torr) | Pounds per Square Inch (psi) |
|---|---|
| 0.1 | 0.00193367 |
| 0.5 | 0.00966836 |
| 1 | 0.0193367 |
| 2 | 0.0386734 |
| 5 | 0.0966836 |
| 10 | 0.193367 |
| 14.696 | 0.284172 |
| 15 | 0.290051 |
| 20 | 0.386734 |
| 25 | 0.483418 |
| 50 | 0.966836 |
| 100 | 1.93367 |
| 150 | 2.90051 |
| 200 | 3.86734 |
| 500 | 9.66836 |
| 1000 | 19.3367 |
Understanding Torr
The Torr (symbol: torr) is a unit of pressure. A unit of pressure equal to 1/760 of a standard atmosphere (about 133.322 Pa), numerically almost identical to one mmHg. Named after 17th-century physicist Evangelista Torricelli, who invented the mercury barometer. Torr is the primary unit in vacuum technology: semiconductor chamber pressure, mass spectrometry, cryogenic systems, and space environment testing. A "rough vacuum" is ~1 torr, high vacuum is 10⁻⁶ torr, ultrahigh vacuum is 10⁻⁹ torr or lower.
Torr are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Understanding Pounds per Square Inch
The Pound per Square Inch (symbol: psi) is a unit of pressure. An imperial unit of pressure equal to one pound-force applied over one square inch (about 6,895 Pa). PSI is the dominant US pressure unit: tire inflation (32–35 psi for most cars), compressed air systems, hydraulic equipment, firearms ammunition chamber pressures, and municipal water supply. US engineering textbooks and specifications for valves, pumps, and pipes are still written in psi. Converting psi to kPa (×6.895) or psi to bar (÷14.504) are the most common US-to-metric pressure conversions.
It belongs to the imperial measurement system.
Pounds per Square Inch are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Torr to Pounds per Square Inch?
Engineers, mechanics, and scientists frequently need to convert pressure between Torr and Pounds per Square Inch when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.
Frequently Asked Questions
How do I convert Torr to Pounds per Square Inch?
A unit of pressure equal to 1/760 of a standard atmosphere (about 133. To convert Torr to Pounds per Square Inch, multiply by 0.0193367. For example, 25 torr equals 0.483418 psi.
How many Pounds per Square Inch are in 1 Torr?
There are 0.0193367 Pounds per Square Inch in 1 Torr.
How many Torr are in 1 Pound per Square Inch?
There are 51.7151 Torr in 1 Pound per Square Inch.
What is the formula for Torr to Pound per Square Inch conversion?
The formula is: multiply by 0.0193367. This means 1 torr = 0.0193367 psi.
Is a Torr bigger than a Pound per Square Inch?
Yes. One Torr is larger than one Pound per Square Inch because 1 torr equals 0.0193367 psi, which is less than 1.
When do you need to convert between Torr and Pounds per Square Inch?
An imperial unit of pressure equal to one pound-force applied over one square inch (about 6,895 Pa). Torr and Pound per Square Inch are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.