About the mmHg Converter
Convert millimeters of mercury (mmHg) to kilopascals (kPa) instantly. Includes the exact conversion factor, formula and a quick reference table.
Also known as: mmHg to kPa, Millimeters of mercury to Kilopascals, convert Millimeters of mercury to Kilopascals, mmhg to kpa, mmhg to kpa, millimeters of mercury.
How to use this calculator
- Enter value in millimeters of mercury.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
kPa = mmHg × 0.1333223874
Worked example
Using the values pre-filled in the calculator above:
- Value in millimeters of mercury = 120 mmHg
the calculator returns:
- Kilopascals: 15.998686 kPa
- Pascals: 15,998.69 Pa
- Hectopascals: 159.9869 hPa
- Megapascals: 0.015999 MPa
Working
120 mmHg × 0.1333223874 = 15.99868649 kPa