Torr to Atmospheres Converter
How to convert torr to atmospheres
atmospheres = torr ÷ 760
To convert torr to atmospheres, divide the number of torr by 760.
1 Torr = 0.00131578947 atm
Examples
- One standard atmosphere: 760 Torr ÷ 760 = 1 atm
- 1 Torr ÷ 760 = 0.00131578947 atm
Good to know
The torr is defined as 101,325/760 Pa. It differs from the millimeter of mercury (133.322387415 Pa) by less than one part in seven million.
This is the standard atmosphere (atm), exactly 101,325 Pa. It is not the technical atmosphere (at), which is 1 kgf/cm² or 98,066.5 Pa.
Torr to atmospheres conversion table
| Torr | Atmospheres (atm) |
|---|---|
| 0.001 Torr | 0.00000131578947 atm |
| 0.01 Torr | 0.0000131578947 atm |
| 0.1 Torr | 0.000131578947 atm |
| 1 Torr | 0.00131578947 atm |
| 10 Torr | 0.0131578947 atm |
| 50 Torr | 0.0657894737 atm |
| 100 Torr | 0.131578947 atm |
| 200 Torr | 0.263157895 atm |
| 300 Torr | 0.394736842 atm |
| 500 Torr | 0.657894737 atm |
| 600 Torr | 0.789473684 atm |
| 700 Torr | 0.921052632 atm |
| 760 Torr | 1 atm |
| 1,000 Torr | 1.31578947 atm |
Unit definitions
- Torr
- A torr is exactly 1/760 of a standard atmosphere, about 133.322 pascals. It is used mainly for vacuum measurements.
- Atmosphere (atm)
- The standard atmosphere is defined as exactly 101,325 pascals, approximately the average air pressure at sea level. It is used as a reference pressure in chemistry and physics.