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Pressure
MmHg to Kilopascals
Convert mmHg (mmHg) to kilopascals (kPa). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 mmHg = 0.133322 kPa
MmHg to Kilopascals Conversion Table
Common values, ready to copy:
| mmHg | kilopascals |
|---|---|
| 1 mmHg | 0.133322 kPa |
| 2 mmHg | 0.266644 kPa |
| 5 mmHg | 0.66661 kPa |
| 10 mmHg | 1.3332 kPa |
| 25 mmHg | 3.3331 kPa |
| 50 mmHg | 6.6661 kPa |
| 100 mmHg | 13.3322 kPa |
| 1,000 mmHg | 133.32 kPa |
Formula
kilopascals = mmHg × 0.133322
Pressure is force per area. 1 atm = 101.325 kPa = 14.696 psi = 760 mmHg. Bar is a metric working unit close to atmospheric pressure (1 bar = 100 kPa).
About MmHg and Kilopascals
MmHg (mmHg): Millimeters of mercury; the pressure exerted by a column of mercury that height; a torr is essentially identical (1 mmHg ≈ 1 torr to within 1 part in 7 million). Common uses: Blood pressure (systolic over diastolic, in mmHg), vacuum systems, barometric pressure in some medical and scientific contexts.
Kilopascals (kPa): A thousand pascals; the practical SI pressure unit for atmospheric and engineering work. Common uses: Weather reports (atmospheric pressure in kPa, where standard sea-level pressure is about 101 kPa), tire pressure in many countries, and structural engineering.
How the conversion works
Pressure is force per area. 1 atm = 101.325 kPa = 14.696 psi = 760 mmHg. Bar is a metric working unit close to atmospheric pressure (1 bar = 100 kPa).
The exact relationship is kilopascals = mmHg × 0.133322, which the calculator at the top of this page applies in both directions. Type into either field and the other updates immediately.
When this conversion matters
Converting between mmHg and kilopascals comes up wherever pressure measurements move between systems — from one country's conventions to another's, from a scientific reference to a practical specification, or from one industry's working unit to another's. The calculator and reference table above cover the everyday range; for unusual values you can type any number into either field.