Inches of mercury.
inHgs to Megapascals Converter — inHg to MPa
Convert inHg (inHg) to Megapascal (MPa) using the exact conversion factor (1 inhg = 0.003386389 megapascal). See the formula, worked examples, and conversion table.
inHgs to Megapascals converter
Converter
Pressure Converter
Convert pascals, bars, PSI, atmospheres, mercury columns, water columns, and engineering pressure units.
Context values
Some unit families need one extra value for a physically accurate result.
Megapascal is 1000000 pascal units.
Result = input x 3386.389 / 1e+6.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting inHgs to Megapascals
inHg and Megapascal both show up on pressure gauges — psi is standard on US tire and tool specifications, while bar is the everyday pressure unit across most of the rest of the world. Specifically: Inches of mercury, and megapascal is 1000000 pascal units.
Formula
megapascals = inhgs × 0.003386389
This factor comes from each unit's defined relationship to the category's base unit: 1 inhg equals 3386.389 base units, and 1 megapascal equals 1000000 base units, so dividing one by the other gives the direct inhg-to-megapascal factor of 0.003386389.
Simple example
1 inHg × 0.003386389 = 0.003386389 MPa
1 inhg = 0.003386389 megapascals.
Real-world example
35 inHg × 0.003386389 = 0.118523615 MPa
35 inhgs = 0.118523615 megapascals.
Conversion table
| inHg (inHg) | Megapascal (MPa) |
|---|---|
| 1 inHg | 0.003386389 MPa |
| 5 inHg | 0.016931945 MPa |
| 10 inHg | 0.03386389 MPa |
| 25 inHg | 0.084659725 MPa |
| 50 inHg | 0.16931945 MPa |
| 100 inHg | 0.3386389 MPa |
Reverse conversion: Megapascal to inHg
0.003386389 MPa × 295.2998016 = 1 inHg
0.003386389 megapascals = 1 inhg.
inhgs = megapascals × 295.299801647
For a page dedicated to this direction, see Megapascal to inHg.
Understanding the inHg (inHg)
Inches of mercury.
Understanding the Megapascal (MPa)
Megapascal is 1000000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megapascals are in 1 inhg?
1 inhg equals 0.003386389 megapascals, using the exact defined conversion factor rather than an estimate.
How do I convert inhg to megapascal?
Multiply the inhg value by 0.003386389. The converter above does this instantly to whatever precision you set.
How do I convert megapascal back to inhg?
Use the reverse factor: 1 megapascal equals 295.2998016 inhgs. You can also use the swap control in the converter above to flip the direction instantly.
What is a inhg?
inHg (inHg) is a unit of pressure.
What is a megapascal?
Megapascal (MPa) is a unit of pressure.
Is the inhg to megapascal conversion exact?
Yes. Both inhg and megapascal are defined by fixed standards rather than physical artifacts, so the factor of 0.003386389 used above is exact to as many digits as you choose to display.