Millimeters of mercury at standard gravity.
mmHgs to KSI Converter — mmHg to ksi
Convert mmHg (mmHg) to KSI (ksi) using the exact conversion factor (1 mmhg = 0.0000193368 ksi). See the formula, worked examples, and conversion table.
mmHgs to KSI 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.
Kips per square inch.
Result = input x 133.3223874 / 6.89475729e+6.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting mmHgs to KSI
mmHg and KSI 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 kips per square inch.
Formula
ksi = mmhgs × 0.0000193367774595
This factor comes from each unit's defined relationship to the category's base unit: 1 mmhg equals 133.322387415 base units, and 1 ksi equals 6894757.29317 base units, so dividing one by the other gives the direct mmhg-to-ksi factor of 0.0000193367774595.
Simple example
1 mmHg × 0.00001933677746 = 0.0000193368 ksi
1 mmhg = 0.0000193368 ksi.
Real-world example
100 mmHg × 0.00001933677746 = 0.0019336777 ksi
100 mmhgs = 0.0019336777 ksi.
Conversion table
| mmHg (mmHg) | KSI (ksi) |
|---|---|
| 1 mmHg | 0.0000193368 ksi |
| 10 mmHg | 0.0001933678 ksi |
| 50 mmHg | 0.0009668389 ksi |
| 100 mmHg | 0.0019336777 ksi |
| 500 mmHg | 0.0096683887 ksi |
| 1,000 mmHg | 0.0193367775 ksi |
Reverse conversion: KSI to mmHg
0.0000193368 ksi × 51714.9252 = 1.000001166 mmHg
0.0000193368 ksi = 1.000001166 mmhgs.
mmhgs = ksi × 51714.9252039
For a page dedicated to this direction, see KSI to mmHg.
Understanding the mmHg (mmHg)
Millimeters of mercury at standard gravity.
Understanding the KSI (ksi)
Kips per square inch.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ksi are in 1 mmhg?
1 mmhg equals 0.0000193368 ksi, using the exact defined conversion factor rather than an estimate.
How do I convert mmhg to ksi?
Multiply the mmhg value by 0.00001933677746. The converter above does this instantly to whatever precision you set.
How do I convert ksi back to mmhg?
Use the reverse factor: 1 ksi equals 51,714.9252 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 ksi?
KSI (ksi) is a unit of engineering.
Is the mmhg to ksi conversion exact?
Yes. Both mmhg and ksi are defined by fixed standards rather than physical artifacts, so the factor of 0.00001933677746 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.