Atmospheres to Torr (atm to Torr) Converter
1 atmosphere (atm) = 760 torr (Torr). To convert atmospheres to torr, multiply by 760: 25 atm × 760 = 19,000 Torr.
Quick facts
- 1 atm = 760 Torr
- 1 Torr = 0.00131579 atm
- Formula: Torr = atm × 760
- Quick estimate: multiply by about 760
How to convert atmospheres to torr
- Take the value in atmospheres.
- Multiply it by 760 (the number of torr in one atmosphere).
- Round the result to the precision you need.
Worked example: 25 atm × 760 = 19000 Torr.
To convert torr back to atmospheres, multiply by 0.00131579, or divide by 760.
Source: NIST SP 811 (2008), Appendix B.
Atmospheres to Torr conversion table
| Atmospheres [atm] | Torr [Torr] |
|---|---|
| 0.01 atm | 7.6 Torr |
| 0.1 atm | 76 Torr |
| 1 atm | 760 Torr |
| 2 atm | 1520 Torr |
| 3 atm | 2280 Torr |
| 5 atm | 3800 Torr |
| 10 atm | 7600 Torr |
| 20 atm | 15200 Torr |
| 50 atm | 38000 Torr |
| 100 atm | 76000 Torr |
| 1000 atm | 760000 Torr |
atm to Torr chart from 1 to 100
- 1 atm 760 Torr
- 2 atm 1520 Torr
- 3 atm 2280 Torr
- 4 atm 3040 Torr
- 5 atm 3800 Torr
- 6 atm 4560 Torr
- 7 atm 5320 Torr
- 8 atm 6080 Torr
- 9 atm 6840 Torr
- 10 atm 7600 Torr
- 11 atm 8360 Torr
- 12 atm 9120 Torr
- 13 atm 9880 Torr
- 14 atm 10640 Torr
- 15 atm 11400 Torr
- 16 atm 12160 Torr
- 17 atm 12920 Torr
- 18 atm 13680 Torr
- 19 atm 14440 Torr
- 20 atm 15200 Torr
- 25 atm 19000 Torr
- 30 atm 22800 Torr
- 35 atm 26600 Torr
- 40 atm 30400 Torr
- 45 atm 34200 Torr
- 50 atm 38000 Torr
- 55 atm 41800 Torr
- 60 atm 45600 Torr
- 65 atm 49400 Torr
- 70 atm 53200 Torr
- 75 atm 57000 Torr
- 80 atm 60800 Torr
- 85 atm 64600 Torr
- 90 atm 68400 Torr
- 95 atm 72200 Torr
- 100 atm 76000 Torr
Torr to Atmospheres conversion table
| Torr [Torr] | Atmospheres [atm] |
|---|---|
| 0.01 Torr | 0.0000131579 atm |
| 0.1 Torr | 0.0001315789 atm |
| 1 Torr | 0.0013157895 atm |
| 2 Torr | 0.0026315789 atm |
| 3 Torr | 0.0039473684 atm |
| 5 Torr | 0.0065789474 atm |
| 10 Torr | 0.0131578947 atm |
| 20 Torr | 0.0263157895 atm |
| 50 Torr | 0.0657894737 atm |
| 100 Torr | 0.1315789474 atm |
| 1000 Torr | 1.3157894737 atm |
Atmospheres vs Torr
| Atmosphere | Torr | |
|---|---|---|
| Symbol | atm | Torr |
| Equals | 1 atm = 760 Torr | 1 Torr = 0.00131579 atm |
What is an atmosphere?
Defined as standard atmospheric pressure at sea level. Used as a reference pressure in science and diving.
What is a torr?
Approximately equal to one millimeter of mercury. Used in vacuum and laboratory pressure measurement.
Frequently asked questions
How many torr are in an atmosphere?
There are 760 torr in 1 atmosphere (1 atm = 760 Torr).
How many atmospheres are in a torr?
There are 0.00131579 atmospheres in 1 torr (1 Torr = 0.0013157895 atm).
How do I convert atmospheres to torr?
Multiply the number of atmospheres by 760. For example, 10 atm × 760 = 7,600 Torr. To convert back, multiply by 0.00131579.
What is 10 atm in torr?
10 atm = 7,600 Torr.
What is 100 atm in torr?
100 atm = 76,000 Torr.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), Appendix B). Results are shown to up to 10 decimal places; round them to suit your purpose.
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