Millimeters of mercury at standard gravity.
mmHgs to Micropascals Converter — mmHg to uPa
Convert mmHg (mmHg) to Micropascal (uPa) using the exact conversion factor (1 mmhg = 133,322,387.4 micropascal). See the formula, worked examples, and conversion table.
mmHgs to Micropascals 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.
Micropascal is 0.000001 pascal units.
Result = input x 133.3223874 / 1e-6.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting mmHgs to Micropascals
mmHg and Micropascal 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 micropascal is 0.000001 pascal units.
Formula
micropascals = mmhgs × 133322387.415
This factor comes from each unit's defined relationship to the category's base unit: 1 mmhg equals 133.322387415 base units, and 1 micropascal equals 0.000001 base units, so dividing one by the other gives the direct mmhg-to-micropascal factor of 133322387.415.
Simple example
1 mmHg × 133322387.4 = 133,322,387.4 uPa
1 mmhg = 133,322,387.4 micropascals.
Real-world example
100 mmHg × 133322387.4 = 13,332,238,740 uPa
100 mmhgs = 13,332,238,740 micropascals.
Conversion table
| mmHg (mmHg) | Micropascal (uPa) |
|---|---|
| 1 mmHg | 133,322,387.4 uPa |
| 10 mmHg | 1,333,223,874 uPa |
| 50 mmHg | 6,666,119,371 uPa |
| 100 mmHg | 13,332,238,740 uPa |
| 500 mmHg | 66,661,193,710 uPa |
| 1,000 mmHg | 133,322,387,400 uPa |
Reverse conversion: Micropascal to mmHg
1 uPa × 7.500616e-9 = 7.500616e-9 mmHg
1 micropascal = 7.500616e-9 mmhgs.
mmhgs = micropascals × 7.500616e-9
For a page dedicated to this direction, see Micropascal to mmHg.
Understanding the mmHg (mmHg)
Millimeters of mercury at standard gravity.
Understanding the Micropascal (uPa)
Micropascal is 0.000001 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micropascals are in 1 mmhg?
1 mmhg equals 133,322,387.4 micropascals, using the exact defined conversion factor rather than an estimate.
How do I convert mmhg to micropascal?
Multiply the mmhg value by 133322387.4. The converter above does this instantly to whatever precision you set.
How do I convert micropascal back to mmhg?
Use the reverse factor: 1 micropascal equals 7.500616e-9 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 micropascal?
Micropascal (uPa) is a unit of engineering.
Is the mmhg to micropascal conversion exact?
Yes. Both mmhg and micropascal are defined by fixed standards rather than physical artifacts, so the factor of 133322387.4 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.