inches of mercury to torr
Convert inch of mercury to torr (mmhg) — instant, free, with the formula shown.
How to convert inch of mercury to torr (mmhg)
To convert inch of mercury to torr (mmhg), multiply by 25.4000027:
For example, 10 inHg × 25.400003 = 254.000027 Torr.
inHg to Torr conversion table
| inches of mercury (inHg) | torr (Torr) |
|---|---|
| 1 inHg | 25.400003 Torr |
| 2 inHg | 50.800005 Torr |
| 5 inHg | 127.000013 Torr |
| 10 inHg | 254.000027 Torr |
| 25 inHg | 635.000067 Torr |
| 50 inHg | 1270.000135 Torr |
| 100 inHg | 2540.00027 Torr |
| 250 inHg | 6350.000674 Torr |
| 500 inHg | 12700.001349 Torr |
| 1000 inHg | 25400.002698 Torr |
Other inch of mercury conversions
Convert to torr (mmhg) from another unit
inHg to Torr — frequently asked
How many torr are in 1 inch of mercury?
1 inch of mercury = 25.400003 torr (inHg × 25.400003 = Torr).
What is the formula to convert inch of mercury to torr (mmhg)?
Multiply your inch of mercury value by 25.4000027 to get torr (mmhg).
How do I convert 10 inches of mercury to torr?
10 inHg = 254.000027 Torr. For 100 inHg the answer is 2540.00027 Torr. Use the calculator on this page for any other value.
When to convert inch of mercury to torr (mmhg)
Pressure conversion — common questions
What's the difference between bar and psi?
1 bar = 100,000 Pa ≈ 14.504 psi. Bar is metric/SI-friendly; psi is US imperial. Tire pressure in cars is commonly 30–35 psi or ≈ 2.1–2.4 bar.
Is 1 atmosphere the same as 1 bar?
Very close but not identical. 1 atm = 1.01325 bar = 101,325 Pa. 1 bar = 100,000 Pa.
Why is blood pressure in mmHg?
Historically measured with mercury manometers — the pressure that supports a column of mercury that many millimetres tall. 120 mmHg systolic ≈ 16 kPa.