Convert torr to millimeters of mercury
1 Torr = 0.99999986 mmHg. Change the amount below, or read the formula and the reference table further down.
1 torr equals
millimeters of mercury
1 Torr = 0.99999986 mmHg
The formula
Torr and millimeters of mercury both measure pressure from the same zero, so a single multiplier does the job.
mmHg = Torr × 0.9999998575
Going the other way? Convert millimeters of mercury to torr.
Torr to millimeters of mercury table
Common values, rounded for reading.
| Torr (Torr) | Millimeters of mercury (mmHg) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 10 |
| 15 | 15 |
| 20 | 20 |
| 25 | 25 |
| 30 | 30 |
| 40 | 40 |
| 50 | 50 |
| 75 | 75 |
| 100 | 100 |
| 250 | 250 |
| 500 | 500 |
| 1,000 | 1,000 |
Questions people ask
- How many millimeters of mercury are in a torr?
- One torr equals 0.9999998575 millimeters of mercury.
- How do I convert torr to millimeters of mercury by hand?
- Multiply the number of torr by 0.9999998575. For a rough check, 1 is close enough for most everyday use.
- What is 1 torr in millimeters of mercury?
- 1 torr is 0.99999986 millimeters of mercury.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.