To convert millimeters of mercury to kilopascals, use kilopascals = millimeters of mercury × 0.133322387. For example, 5 mmHg = 0.666612 kPa.
How to convert mmHg to kPa
- Type the value in millimeters of mercury.
- The answer in kilopascals appears instantly, with the formula.
- Use ⇄ to swap the direction, or pick other units.
mmHg to kPa formula
kilopascals = millimeters of mercury × 0.133322387
Example: 5 mmHg = 0.666612 kPa.
Reverse: 1 kPa = 7.5006158 mmHg.
mmHg to kPa conversion table
| Millimeter of mercury (mmHg) | Kilopascal (kPa) |
|---|---|
| 1 | 0.133322 |
| 2 | 0.266645 |
| 3 | 0.399967 |
| 4 | 0.53329 |
| 5 | 0.666612 |
| 6 | 0.799934 |
| 7 | 0.933257 |
| 8 | 1.06658 |
| 9 | 1.1999 |
| 10 | 1.33322 |
| 11 | 1.46655 |
| 12 | 1.59987 |
| 15 | 1.99984 |
| 20 | 2.66645 |
| 25 | 3.33306 |
| 30 | 3.99967 |
| 40 | 5.3329 |
| 50 | 6.66612 |
| 60 | 7.99934 |
| 70 | 9.33257 |
| 75 | 9.99918 |
| 80 | 10.6658 |
| 90 | 11.999 |
| 100 | 13.3322 |
| 150 | 19.9984 |
| 200 | 26.6645 |
| 250 | 33.3306 |
| 500 | 66.6612 |
| 1,000 | 133.322 |
About these units
Millimeter of mercury (mmHg): Used for blood pressure and vacuum measurements.
Kilopascal (kPa): 1,000 pascals. Used for tyre pressure in many countries.
Frequently asked questions
How many kilopascals are in a millimeter of mercury?
There are 0.13332239 kilopascals in one millimeter of mercury.
How do I convert millimeters of mercury to kilopascals?
kilopascals = millimeters of mercury × 0.133322387. Example: 5 mmHg = 0.666612 kPa.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested