Torr to Pounds per Square Inch (Torr to psi) Converter
1 torr (Torr) = 0.0193368 pounds per square inch (psi). To convert torr to pounds per square inch, multiply by 0.0193368: 25 Torr × 0.0193368 = 0.483419 psi.
Quick facts
- 1 Torr = 0.0193368 psi
- 1 psi = 51.7149 Torr
- Formula: psi = Torr × 0.0193368
- Quick estimate: multiply by about 0.019
How to convert torr to pounds per square inch
- Take the value in torr.
- Multiply it by 0.0193368 (the number of pounds per square inch in one torr).
- Round the result to the precision you need.
Worked example: 25 Torr × 0.0193368 = 0.483419 psi.
To convert pounds per square inch back to torr, multiply by 51.7149, or divide by 0.0193368.
Source: NIST SP 811 (2008), Appendix B.
Torr to Pounds per Square Inch conversion table
| Torr [Torr] | Pounds per Square Inch [psi] |
|---|---|
| 0.01 Torr | 0.0001933677 psi |
| 0.1 Torr | 0.0019336775 psi |
| 1 Torr | 0.0193367747 psi |
| 2 Torr | 0.0386735494 psi |
| 3 Torr | 0.0580103241 psi |
| 5 Torr | 0.0966838735 psi |
| 10 Torr | 0.193367747 psi |
| 20 Torr | 0.3867354941 psi |
| 50 Torr | 0.9668387352 psi |
| 100 Torr | 1.9336774705 psi |
| 1000 Torr | 19.3367747046 psi |
Torr to psi chart from 1 to 100
- 1 Torr 0.0193368 psi
- 2 Torr 0.0386735 psi
- 3 Torr 0.0580103 psi
- 4 Torr 0.0773471 psi
- 5 Torr 0.0966839 psi
- 6 Torr 0.116021 psi
- 7 Torr 0.135357 psi
- 8 Torr 0.154694 psi
- 9 Torr 0.174031 psi
- 10 Torr 0.193368 psi
- 11 Torr 0.212705 psi
- 12 Torr 0.232041 psi
- 13 Torr 0.251378 psi
- 14 Torr 0.270715 psi
- 15 Torr 0.290052 psi
- 16 Torr 0.309388 psi
- 17 Torr 0.328725 psi
- 18 Torr 0.348062 psi
- 19 Torr 0.367399 psi
- 20 Torr 0.386735 psi
- 25 Torr 0.483419 psi
- 30 Torr 0.580103 psi
- 35 Torr 0.676787 psi
- 40 Torr 0.773471 psi
- 45 Torr 0.870155 psi
- 50 Torr 0.966839 psi
- 55 Torr 1.06352 psi
- 60 Torr 1.16021 psi
- 65 Torr 1.25689 psi
- 70 Torr 1.35357 psi
- 75 Torr 1.45026 psi
- 80 Torr 1.54694 psi
- 85 Torr 1.64363 psi
- 90 Torr 1.74031 psi
- 95 Torr 1.83699 psi
- 100 Torr 1.93368 psi
Pounds per Square Inch to Torr conversion table
| Pounds per Square Inch [psi] | Torr [Torr] |
|---|---|
| 0.01 psi | 0.5171493257 Torr |
| 0.1 psi | 5.1714932572 Torr |
| 1 psi | 51.7149325715 Torr |
| 2 psi | 103.429865143 Torr |
| 3 psi | 155.1447977145 Torr |
| 5 psi | 258.5746628575 Torr |
| 10 psi | 517.1493257151 Torr |
| 20 psi | 1034.2986514301 Torr |
| 50 psi | 2585.7466285754 Torr |
| 100 psi | 5171.4932571507 Torr |
| 1000 psi | 51714.9325715071 Torr |
Torr vs Pounds per Square Inch
| Torr | Pounds per Square Inch | |
|---|---|---|
| Symbol | Torr | psi |
| Equals | 1 Torr = 0.0193368 psi | 1 psi = 51.7149 Torr |
What is a torr?
Approximately equal to one millimeter of mercury. Used in vacuum and laboratory pressure measurement.
What is a pounds per square inch?
Force in pounds applied over one square inch. Used in the US for tire pressure and hydraulic systems.
Frequently asked questions
How many pounds per square inch are in a torr?
There are 0.0193368 pounds per square inch in 1 torr (1 Torr = 0.0193367747 psi).
How many torr are in a pounds per square inch?
There are 51.7149 torr in 1 pounds per square inch (1 psi = 51.7149325715 Torr).
How do I convert torr to pounds per square inch?
Multiply the number of torr by 0.0193368. For example, 10 Torr × 0.0193368 = 0.193368 psi. To convert back, multiply by 51.7149.
What is 10 Torr in pounds per square inch?
10 Torr = 0.193368 psi.
What is 100 Torr in pounds per square inch?
100 Torr = 1.93368 psi.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), Appendix B). Results are shown to up to 10 decimal places; round them to suit your purpose.
Related conversions
Popular pressure conversions
- Bars to Pounds per Square Inch
- Pounds per Square Inch to Bars
- Pounds per Square Inch to Kilopascals
- Kilopascals to Pounds per Square Inch
- Atmospheres to Pounds per Square Inch
- Atmospheres to Bars
- Millimeters of Mercury to Kilopascals
- Bars to Kilopascals
- Bars to Pascals
- Pounds per Square Inch to Pascals
Convert torr to other units
Convert other units to pounds per square inch
- Pascals to Pounds per Square Inch
- Kilopascals to Pounds per Square Inch
- Bars to Pounds per Square Inch
- Atmospheres to Pounds per Square Inch
- Millimeters of Mercury to Pounds per Square Inch
Open the full pressure converter with every unit →