Convert Pounds per square inch to torr
1 pound per square inch = 51.7149 torr · Torr = psi × 51.71493257
When you need this conversion
This conversion goes from pounds per square inch, the pressure unit used in the US, to torr, equivalent to millimeters of mercury, used in vacuum work and medicine. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Pounds per square inch to torr conversion table
| Pounds per square inch (psi) | Torr (Torr) |
|---|---|
| 1 psi | 51.7149 Torr |
| 2 psi | 103.43 Torr |
| 3 psi | 155.14 Torr |
| 5 psi | 258.57 Torr |
| 10 psi | 517.15 Torr |
| 15 psi | 775.72 Torr |
| 20 psi | 1,034.3 Torr |
| 25 psi | 1,292.87 Torr |
| 50 psi | 2,585.75 Torr |
| 75 psi | 3,878.62 Torr |
| 100 psi | 5,171.49 Torr |
| 250 psi | 12,928.73 Torr |
| 500 psi | 25,857.47 Torr |
| 1,000 psi | 51,714.93 Torr |
The formula
Torr = psi × 51.71493257Because both units measure pressure, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Torr to pounds per square inch →Related pressure conversions
- Bars to atmospheres
- Atmospheres to bars
- Pascals to torr
- Kilopascals to torr
- Bars to torr
- Pounds per square inch to pascals
- Pounds per square inch to kilopascals
- Pounds per square inch to bars
- Pounds per square inch to atmospheres
- Atmospheres to torr
- Pascals to kilopascals
- Pascals to bars
Frequently asked questions
- How many torr are in a pound per square inch?
- There are 51.7149 torr in 1 pound per square inch. The formula is Torr = psi × 51.71493257.
- How do you convert pounds per square inch to torr?
- Use the formula Torr = psi × 51.71493257. For example, 10 pounds per square inch equals 517.15 torr.
- Is the pounds per square inch to torr conversion exact?
- Yes. Pounds per square inch and torr are both units of pressure, related by an exact defined factor. Displayed results are rounded for readability.
- What is psi short for?
- psi is the standard symbol for pound per square inch. Torr is the symbol for torr.