How to convert mmHg to kilopascals
To convert mmHg to kilopascals, multiply by 0.133322387415. Pressure conversions are used for tire inflation, weather, scuba diving, hydraulics and medical devices.
mmHg to Kilopascal conversion table
| mmHg (mmHg) | Kilopascal (kPa) |
|---|---|
| 0.1 mmHg | 0.0133322387415 kPa |
| 0.5 mmHg | 0.0666611937075 kPa |
| 1 mmHg | 0.133322387415 kPa |
| 2 mmHg | 0.26664477483 kPa |
| 3 mmHg | 0.399967162245 kPa |
| 4 mmHg | 0.53328954966 kPa |
| 5 mmHg | 0.666611937075 kPa |
| 10 mmHg | 1.33322387415 kPa |
| 20 mmHg | 2.6664477483 kPa |
| 25 mmHg | 3.33305968538 kPa |
| 50 mmHg | 6.66611937075 kPa |
| 100 mmHg | 13.3322387415 kPa |
| 500 mmHg | 66.6611937075 kPa |
| 1,000 mmHg | 133.322387415 kPa |
About the units
mmHg (mmHg)
Millimeters of mercury are used for blood pressure and barometric readings (1 mmHg ≈ 133.322 Pa).
Kilopascal (kPa)
A kilopascal equals 1,000 pascals and is used for tire pressure outside the US.
How to use this converter
- Type the number of mmHg (mmHg) in the input box.
- The result in kilopascals appears instantly — no button needed.
- See the same value in every other pressure unit just below.
- Use “Swap units” to convert kilopascals back to mmHg.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many kilopascals are in one mmhg?
One mmhg equals 0.133322387415 kilopascals. 0.133322387415 is the exact factor used by this converter.
How do I convert mmHg to kilopascals?
Multiply the value in mmHg by 0.133322387415. To go the other way, multiply kilopascals by 7.50061575846.
What is 10 mmHg in kPa?
10 mmHg = 1.33322387415 kPa. Also, 5 mmHg = 0.666611937075 kPa and 100 mmHg = 13.3322387415 kPa.
What is the difference between a mmhg and a kilopascal?
Millimeters of mercury are used for blood pressure and barometric readings (1 mmHg ≈ 133.322 Pa). A kilopascal equals 1,000 pascals and is used for tire pressure outside the US.
Is this tool free and private?
Yes — the mmHg to Kilopascal is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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