Millimeters of mercury at standard gravity.
mmHgs to Kilopascals Converter — mmHg to kPa
Convert mmHg (mmHg) to Kilopascal (kPa) using the exact conversion factor (1 mmhg = 0.1333223874 kilopascal). See the formula, worked examples, and conversion table.
mmHgs to Kilopascals converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Kilopascal is 1000 pascal units.
Result = input x 133.3223874 / 1000.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting mmHgs to Kilopascals
mmHg and Kilopascal both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Millimeters of mercury at standard gravity, and kilopascal is 1000 pascal units.
Formula
kilopascals = mmhgs × 0.133322387415
This factor comes from each unit's defined relationship to the category's base unit: 1 mmhg equals 133.322387415 base units, and 1 kilopascal equals 1000 base units, so dividing one by the other gives the direct mmhg-to-kilopascal factor of 0.133322387415.
Simple example
1 mmHg × 0.1333223874 = 0.1333223874 kPa
1 mmhg = 0.1333223874 kilopascals.
Real-world example
100 mmHg × 0.1333223874 = 13.33223874 kPa
100 mmhgs = 13.33223874 kilopascals.
Conversion table
| mmHg (mmHg) | Kilopascal (kPa) |
|---|---|
| 1 mmHg | 0.1333223874 kPa |
| 10 mmHg | 1.333223874 kPa |
| 50 mmHg | 6.666119371 kPa |
| 100 mmHg | 13.33223874 kPa |
| 500 mmHg | 66.66119371 kPa |
| 1,000 mmHg | 133.3223874 kPa |
Reverse conversion: Kilopascal to mmHg
0.1333223874 kPa × 7.500615758 = 0.9999999999 mmHg
0.1333223874 kilopascals = 0.9999999999 mmhgs.
mmhgs = kilopascals × 7.50061575846
For a page dedicated to this direction, see Kilopascal to mmHg.
Understanding the mmHg (mmHg)
Millimeters of mercury at standard gravity.
Understanding the Kilopascal (kPa)
Kilopascal is 1000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilopascals are in 1 mmhg?
1 mmhg equals 0.1333223874 kilopascals, using the exact defined conversion factor rather than an estimate.
How do I convert mmhg to kilopascal?
Multiply the mmhg value by 0.1333223874. The converter above does this instantly to whatever precision you set.
How do I convert kilopascal back to mmhg?
Use the reverse factor: 1 kilopascal equals 7.500615758 mmhgs. You can also use the swap control in the converter above to flip the direction instantly.
What is a mmhg?
mmHg (mmHg) is a unit of engineering.
What is a kilopascal?
Kilopascal (kPa) is a unit of engineering.
Is the mmhg to kilopascal conversion exact?
Yes. Both mmhg and kilopascal are defined by fixed standards rather than physical artifacts, so the factor of 0.1333223874 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.