Torr to Atmosphere Converter
Free Pressure Converter, Convert PSI, Bar, Pascal, ATM & Torr Instantly
1Torr=0.0013157858Atmosphere
1 Atmosphere = 760.0021001785 Torr
Torr
- Symbol
- Torr
- System
- Metric/Imperial
- Dimension
- Various
Atmosphere
- Symbol
- atm
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Torr | Atmosphere | Atmosphere | Torr |
|---|---|---|---|
| 1 | 0.0013157858 | 1 | 760.0021001785 |
| 2 | 0.0026315717 | 2 | 1520.004200357 |
| 3 | 0.0039473575 | 3 | 2280.0063005355 |
| 5 | 0.0065789292 | 5 | 3800.0105008926 |
| 10 | 0.0131578584 | 10 | 7600.0210017852 |
| 25 | 0.0328946459 | 25 | 19000.0525044629 |
| 50 | 0.0657892919 | 50 | 38000.1050089258 |
| 100 | 0.1315785838 | 100 | 76000.2100178515 |
| 500 | 0.6578929188 | 500 | 380001.0500892576 |
| 1000 | 1.3157858377 | 1000 | 760002.1001785152 |
Conversion Formula
Atmosphere = Torr × 0.0013157858
Torr = Atmosphere × 760.0021001785
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 0.0013157858.
How to convert Torr to Atmosphere
Multiply the value in torr by 0.0013157858 to get atmosphere. For example, 5 Torr = 0.0065789292 Atmosphere. All results in the pressure converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 0.00 too early — keep full precision until the final display. For pressure, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Atmosphere in 1 Torr?
- 1 Torr = 0.0013157858 Atmosphere.
- How many Torr in 1 Atmosphere?
- 1 Atmosphere = 760.0021001785 Torr.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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