Millimeters of mercury at standard gravity.
mmHgs to Gigapascals Converter — mmHg to GPa
Convert mmHg (mmHg) to Gigapascal (GPa) using the exact conversion factor (1 mmhg = 1.333224e-7 gigapascal). See the formula, worked examples, and conversion table.
mmHgs to Gigapascals 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.
Gigapascal is 1000000000 pascal units.
Result = input x 133.3223874 / 1e+9.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting mmHgs to Gigapascals
mmHg and Gigapascal 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 gigapascal is 1000000000 pascal units.
Formula
gigapascals = mmhgs × 1.333224e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 mmhg equals 133.322387415 base units, and 1 gigapascal equals 1000000000 base units, so dividing one by the other gives the direct mmhg-to-gigapascal factor of 1.333224e-7.
Simple example
1 mmHg × 1.333224e-7 = 1.333224e-7 GPa
1 mmhg = 1.333224e-7 gigapascals.
Real-world example
100 mmHg × 1.333224e-7 = 0.0000133322 GPa
100 mmhgs = 0.0000133322 gigapascals.
Conversion table
| mmHg (mmHg) | Gigapascal (GPa) |
|---|---|
| 1 mmHg | 1.333224e-7 GPa |
| 10 mmHg | 0.0000013332 GPa |
| 50 mmHg | 0.0000066661 GPa |
| 100 mmHg | 0.0000133322 GPa |
| 500 mmHg | 0.0000666612 GPa |
| 1,000 mmHg | 0.0001333224 GPa |
Reverse conversion: Gigapascal to mmHg
1.333224e-7 GPa × 7500615.758 = 1.000000094 mmHg
1.333224e-7 gigapascals = 1.000000094 mmhgs.
mmhgs = gigapascals × 7500615.75846
For a page dedicated to this direction, see Gigapascal to mmHg.
Understanding the mmHg (mmHg)
Millimeters of mercury at standard gravity.
Understanding the Gigapascal (GPa)
Gigapascal is 1000000000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigapascals are in 1 mmhg?
1 mmhg equals 1.333224e-7 gigapascals, using the exact defined conversion factor rather than an estimate.
How do I convert mmhg to gigapascal?
Multiply the mmhg value by 1.333224e-7. The converter above does this instantly to whatever precision you set.
How do I convert gigapascal back to mmhg?
Use the reverse factor: 1 gigapascal equals 7,500,615.758 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 gigapascal?
Gigapascal (GPa) is a unit of engineering.
Is the mmhg to gigapascal conversion exact?
Yes. Both mmhg and gigapascal are defined by fixed standards rather than physical artifacts, so the factor of 1.333224e-7 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.