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Millimeter of mercury to Kilopascal Converter

1 millimeter of mercury is exactly 0.133322387415 kilopascals. Convert millimeters of mercury (mmHg) to kilopascals (kPa) below: type a value and the result updates as you type.

mmHg to kPa calculator

Dot or comma decimals and scientific notation (1e-3) work.

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Result

Millimeter of mercury to Kilopascal conversion

1 mmHg = 0.133322387415 kPaone millimeter of mercury in kilopascals

1 kPa ≈ 7.500615758 mmHgone kilopascal in millimeters of mercury

Millimeter of mercury (mmHg): Conventional millimeter of mercury: pressure of a 1 mm column of mercury of density 13 595.1 kg/m³ under standard gravity (133.322387415 pascals).

Kilopascal (kPa): Exactly 1000 pascals.

Source:Millimeter of mercury: NIST Special Publication 811 (2008), Appendix B.8; Kilopascal: SI Brochure, 9th edition (BIPM, 2019)

How to convert millimeters of mercury to kilopascals

To convert millimeters of mercury to kilopascals, multiply the number of millimeters of mercury by 0.133322387415.

Formula

kPa = mmHg × 0.133322387415

Examples

  • 5 mmHg = 5 × 0.133322387415 = 0.666611937075 kPa
  • 25 mmHg = 25 × 0.133322387415 = 3.333059685375 kPa
  • 100 mmHg = 100 × 0.133322387415 = 13.3322387415 kPa

Millimeter of mercury to Kilopascal conversion table

Millimeter of mercury to Kilopascal
Millimeter of mercury (mmHg)Kilopascal (kPa)
0.1 mmHg0.0133322387415 kPa
0.5 mmHg0.0666611937075 kPa
1 mmHg0.133322387415 kPa
2 mmHg0.26664477483 kPa
3 mmHg0.399967162245 kPa
5 mmHg0.666611937075 kPa
10 mmHg1.33322387415 kPa
20 mmHg2.6664477483 kPa
25 mmHg3.333059685375 kPa
50 mmHg6.66611937075 kPa
100 mmHg13.3322387415 kPa
250 mmHg33.33059685375 kPa
500 mmHg66.6611937075 kPa
1000 mmHg133.322387415 kPa

Values rounded to 10 significant digits where needed.

Frequently asked questions

How many kilopascals are in one millimeter of mercury?
One millimeter of mercury is exactly 0.133322387415 kilopascals.
How do I convert kilopascals to millimeters of mercury?
To convert kilopascals to millimeters of mercury, divide the number of kilopascals by 0.133322387415. The formula is mmHg = kPa ÷ 0.133322387415.
Is this conversion exact?
Yes. Both units have exact definitions and the factor 0.133322387415 is exact. Displayed results are only rounded when they have many decimal places.
Which is larger, a millimeter of mercury or a kilopascal?
A kilopascal is about 7.500615758 times larger than a millimeter of mercury. In other words, a millimeter of mercury is 0.133322387415 of a kilopascal.