Pound/sq inch to Torr Converter
Convert Pound/sq inch (psi) to Torr (Torr) instantly. 1 psi = 51.714933 Torr.
Pressure Converter
29 units available
1 psi = 51.714933 Torr
Formula:
Torr = psi × 51.7149325715With your value: 1 psi = 51.71493257 Torr
Other Pound/sq inch to Torr conversions
Pound/sq inch to Torr Conversion Table
| Pound/sq inch (psi) | Torr (Torr) |
|---|---|
| 0.5 | 25.857466 |
| 1 | 51.714933 |
| 2 | 103.429865 |
| 5 | 258.574663 |
| 10 | 517.149326 |
| 15 | 775.723989 |
| 20 | 1,034.298651 |
| 25 | 1,292.873314 |
| 50 | 2,585.746629 |
| 100 | 5,171.493257 |
| 250 | 12,928.733143 |
| 500 | 25,857.466286 |
| 1000 | 51,714.932572 |
Torr to Pound/sq inch Conversion Table
| Torr (Torr) | Pound/sq inch (psi) |
|---|---|
| 0.5 | 0.009668 |
| 1 | 0.019337 |
| 2 | 0.038674 |
| 5 | 0.096684 |
| 10 | 0.193368 |
| 15 | 0.290052 |
| 20 | 0.386735 |
| 25 | 0.483419 |
| 50 | 0.966839 |
| 100 | 1.933677 |
| 250 | 4.834194 |
| 500 | 9.668387 |
| 1000 | 19.336775 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Pound/sq inch (psi)
Pressure
1 psi = 1 lbf/in² = 6894.757 293 168 361 Pa exactly.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Torr (Torr)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Pound/sq inch to Torr
To convert from Pound/sq inch (psi) to Torr (Torr), multiply the value by 51.7149325715.
Formula: Torr = psi × 51.7149325715
Reverse: psi = Torr × 0.0193367747
Step-by-Step Example
- Start with your value in Pound/sq inch. For example: 5 psi
- Multiply by the conversion factor: 5 x 51.7149325715
- The result is: 258.574663 Torr
About Pound/sq inch
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
Common uses: tire pressure (US), hydraulics, HVAC.
About Torr
The torr (Torr) is a unit of pressure and stress. One torr equals 133.3223684 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
Frequently Asked Questions
How many Torr are in 1 Pound/sq inch?
There are exactly 51.7149325715 Torr in 1 Pound/sq inch. This means the conversion factor from Pound/sq inch to Torr is 51.7149325715.
What is the formula to convert Pound/sq inch to Torr?
The formula to convert Pound/sq inch to Torr is: Torr = psi × 51.7149325715. For example, to convert 10 Pound/sq inch to Torr, you would multiply 10 by 51.7149325715.
What is a Pound/sq inch?
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
What is a Torr?
The torr (Torr) is a unit of pressure and stress. One torr equals 133.3223684 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Pound/sq inch?
The Pound/sq inch is commonly used in tire pressure (US), hydraulics, HVAC.
Related Pressure Conversions
Cite this page
UnitConvertLab. (2026). Pound/sq inch to Torr converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/psi-to-torr