1 mmHg = 1.33322 hPa
1 Millimeter of mercury (mmHg) = 1.33322 Hectopascal (hPa).
If you want to reverse convert, use Hectopascal → Millimeter of mercury. 1 hPa = 0.75006375541921 mmHg. You can also explore the full Pressure converter page for more cross conversions.
Conversion formula
Millimeter of mercury to Hectopascal formula: value in hPa = value in mmHg × 1.33322.
Hectopascal to Millimeter of mercury formula: value in mmHg = value in hPa × 0.75006375541921.
How to convert Millimeter of mercury to Hectopascal
To convert Millimeter of mercury to Hectopascal, multiply the value in mmHg by 1.33322. This gives the result in hPa.
For example, 1 mmHg = 1.33322 hPa and 10 mmHg = 13.3322 hPa.
What is Millimeter of mercury?
Millimeter of mercury (mmHg): A mercury-column pressure unit familiar from blood-pressure readings. 1 mmHg ≈ 133.322 Pa.
What is Hectopascal?
Hectopascal (hPa): Weather reports use this scale for atmospheric pressure, often around a thousand hectopascals near sea level. 1 hPa = 100 Pa.
FAQ
How many hectopascal are in 1 millimeter of mercury?
There are 1.33322 hPa in 1 mmHg.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert millimeter of mercury to hectopascal?
Multiply the value in mmHg by 1.33322 to get the value in hPa.
Millimeter of mercury → other Pressure units
- 1 millimeter of mercury → pascal = 133.322 pascal
- 1 millimeter of mercury → hectopascal = 1.33322 hectopascal
- 1 millimeter of mercury → kilopascal = 0.133322 kilopascal
- 1 millimeter of mercury → megapascal = 0.000133322 megapascal
- 1 millimeter of mercury → bar = 0.00133322 bar
- 1 millimeter of mercury → millibar = 1.33322 millibar
- 1 millimeter of mercury → pounds per square inch = 0.019336713678214 pounds per square inch
- 1 millimeter of mercury → torr = 1 torr
- 1 millimeter of mercury → atmosphere = 0.0013157858376511 atmosphere
- 1 millimeter of mercury → inch of mercury = 0.039369960698581 inch of mercury
Millimeter of mercury → Hectopascal Table
The table below shows common values from Millimeter of mercury to Hectopascal and the reverse direction for quick reference.
| mmHg | hPa | Rounded |
|---|---|---|
| 1 mmHg | 1.33322 hPa | 1.3332 |
| 2 mmHg | 2.66644 hPa | 2.6664 |
| 3 mmHg | 3.99966 hPa | 3.9997 |
| 4 mmHg | 5.33288 hPa | 5.3329 |
| 5 mmHg | 6.6661 hPa | 6.6661 |
| 10 mmHg | 13.3322 hPa | 13.3322 |
| 12 mmHg | 15.99864 hPa | 15.9986 |
| 15 mmHg | 19.9983 hPa | 19.9983 |
| 20 mmHg | 26.6644 hPa | 26.6644 |
| 25 mmHg | 33.3305 hPa | 33.3305 |
| 30 mmHg | 39.9966 hPa | 39.9966 |
| 40 mmHg | 53.3288 hPa | 53.3288 |
| 50 mmHg | 66.661 hPa | 66.6610 |
| 75 mmHg | 99.9915 hPa | 99.9915 |
| 100 mmHg | 133.322 hPa | 133.3220 |
| 200 mmHg | 266.644 hPa | 266.6440 |
| 250 mmHg | 333.305 hPa | 333.3050 |
| 500 mmHg | 666.61 hPa | 666.6100 |
| 750 mmHg | 999.915 hPa | 999.9150 |
| 1000 mmHg | 1333.22 hPa | 1333.2200 |
| 2500 mmHg | 3333.05 hPa | 3333.0500 |
| 5000 mmHg | 6666.1 hPa | 6666.1000 |
| 10000 mmHg | 13332.2 hPa | 13332.2000 |
Hectopascal → Millimeter of mercury Table
| hPa | mmHg | Rounded |
|---|---|---|
| 1 hPa | 0.75006375541921 mmHg | 0.7501 |
| 2 hPa | 1.5001275108384 mmHg | 1.5001 |
| 3 hPa | 2.2501912662576 mmHg | 2.2502 |
| 4 hPa | 3.0002550216768 mmHg | 3.0003 |
| 5 hPa | 3.7503187770961 mmHg | 3.7503 |
| 10 hPa | 7.5006375541921 mmHg | 7.5006 |
| 12 hPa | 9.0007650650305 mmHg | 9.0008 |
| 15 hPa | 11.250956331288 mmHg | 11.2510 |
| 20 hPa | 15.001275108384 mmHg | 15.0013 |
| 25 hPa | 18.75159388548 mmHg | 18.7516 |
| 30 hPa | 22.501912662576 mmHg | 22.5019 |
| 40 hPa | 30.002550216768 mmHg | 30.0026 |
| 50 hPa | 37.503187770961 mmHg | 37.5032 |
| 75 hPa | 56.254781656441 mmHg | 56.2548 |
| 100 hPa | 75.006375541921 mmHg | 75.0064 |
| 200 hPa | 150.01275108384 mmHg | 150.0128 |
| 250 hPa | 187.5159388548 mmHg | 187.5159 |
| 500 hPa | 375.03187770961 mmHg | 375.0319 |
| 750 hPa | 562.54781656441 mmHg | 562.5478 |
| 1000 hPa | 750.06375541921 mmHg | 750.0638 |
| 2500 hPa | 1875.159388548 mmHg | 1875.1594 |
| 5000 hPa | 3750.3187770961 mmHg | 3750.3188 |
| 10000 hPa | 7500.6375541921 mmHg | 7500.6376 |
Hectopascal → Millimeter of mercury
The reverse value is 1 hPa = 0.75006375541921 mmHg.