Quick answer: 1 Torr / mmHg in Atmosphere (atm)
1 Torr equals 0.00131579 atm. To convert Torr / mmHg to Atmosphere (atm), multiply by 0.00131579 using the free calculator above — no signup needed.
Pressure units
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About Pressure Converter
The Pressure Converter converts between 6 different units, including Pascal, Kilopascal, Bar, PSI (lbf/in²), Atmosphere (atm). The base unit is the Pascal, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Pascal = 0.001 Kilopascal, 0.00001 Bar, 0.000145038 PSI (lbf/in²).
Scale of this category: the smallest unit is the Pascal (Pa) and the largest is the Atmosphere (atm) (atm).
Last updated: 2026-09-15
Pressure conversion factors
| Unit | Symbol | Value in Pascal |
|---|---|---|
| Pascal | Pa | 1 Pa = 1 Pa |
| Kilopascal | kPa | 1 kPa = 1000 Pa |
| Bar | bar | 1 bar = 100000 Pa |
| PSI (lbf/in²) | psi | 1 psi = 6894.76 Pa |
| Atmosphere (atm) | atm | 1 atm = 101325 Pa |
| Torr / mmHg | Torr | 1 Torr = 133.322368 Pa |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Torr / mmHg in Atmosphere (atm)?
- Multiply 1 by the conversion factor 0.00131579
- 1 Torr / mmHg = 0.00131579 Atmosphere (atm)
How much is 100 Torr / mmHg in Atmosphere (atm)?
- Multiply 100 by the conversion factor 0.00131579
- 100 Torr / mmHg = 0.131579 Atmosphere (atm)
How much is 1000 Torr / mmHg in Atmosphere (atm)?
- Multiply 1000 by the conversion factor 0.00131579
- 1000 Torr / mmHg = 1.315789 Atmosphere (atm)
Quick Conversion Reference Table
| Torr / mmHg (Torr) | Atmosphere (atm) (atm) |
|---|---|
| 1 Torr (Torr / mmHg) | 0.00131579 atm (Atmosphere (atm)) |
| 2 Torr (Torr / mmHg) | 0.00263158 atm (Atmosphere (atm)) |
| 5 Torr (Torr / mmHg) | 0.00657895 atm (Atmosphere (atm)) |
| 10 Torr (Torr / mmHg) | 0.0131579 atm (Atmosphere (atm)) |
| 20 Torr (Torr / mmHg) | 0.0263158 atm (Atmosphere (atm)) |
| 50 Torr (Torr / mmHg) | 0.0657895 atm (Atmosphere (atm)) |
| 100 Torr (Torr / mmHg) | 0.131579 atm (Atmosphere (atm)) |
| 500 Torr (Torr / mmHg) | 0.657895 atm (Atmosphere (atm)) |
| 1000 Torr (Torr / mmHg) | 1.315789 atm (Atmosphere (atm)) |
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FAQ
How much is 1 Torr / mmHg in Atmosphere (atm)?
1 Torr / mmHg = 0.00131579 Atmosphere (atm).
How do I convert Torr / mmHg to Atmosphere (atm)?
Enter your value in Torr / mmHg into the converter above and the result in Atmosphere (atm) appears instantly. 1 Torr equals 0.00131579 atm — just multiply your value by 0.00131579.
What is the formula for Torr / mmHg to Atmosphere (atm)?
The formula is: value in Atmosphere (atm) = value in Torr / mmHg × 0.00131579. For example, 100 Torr × 0.00131579 = 0.131579 atm.
Is this Torr / mmHg to Atmosphere (atm) converter free and accurate?
Yes. This Torr / mmHg to Atmosphere (atm) converter is 100% free, uses the exact international conversion factor (0.00131579), and works on any device with no signup.
How do I convert Atmosphere (atm) back to Torr / mmHg?
To convert back, divide by 0.00131579 (or multiply by 760). You can also use our dedicated How Many Torr / mmHg in 1 Atmosphere (atm)? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Pressure units are supported?
This converter supports 6 units: Pascal, Kilopascal, Bar, PSI (lbf/in²), Atmosphere (atm), Torr / mmHg.