Pressure
MPatommHg
Convert megapascals (MPa) to millimetres of mercury (mmHg).
Factor1 MPa = 7500.616 mmHg
Converter
MPa
Accepts numbers or expressions, e.g. 150 + 14.7
Result
mmHg
Rendered to 6 significant figures.
Formula
Formula
mmHg = MPa × 7500.616
Multiply any value in megapascals by 7500.616 to obtain the value in millimetres of mercury.
Worked example
Convert 1 MPa to mmHg.
- 01Start with 1 MPa.
- 02Multiply by the conversion factor: 1 × 7500.616 = 7500.62 mmHg.
Result1 MPa = 7500.62 mmHg
Conversion table
| MPa | mmHg |
|---|---|
| 1 | 7500.6 |
| 2 | 15001 |
| 5 | 37503 |
| 10 | 75006 |
| 20 | 1.5001e+5 |
| 50 | 3.7503e+5 |
| 100 | 7.5006e+5 |
| 200 | 1.5001e+6 |
| 500 | 3.7503e+6 |
| 1000 | 7.5006e+6 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from MPa to mmHg?
1 MPa equals 7500.616 mmHg. To convert, multiply the value in megapascals by 7500.616.
How do I convert 1 MPa to mmHg?
1 MPa = 7500.62 mmHg. For any value, multiply by 7500.616.
How do I convert mmHg back to MPa?
Divide by the same factor — or equivalently, multiply by 0.0001333224. So 1 mmHg = 0.000133322 MPa.
When would I need to convert megapascal to millimetre of mercury?
Pressure conversions between MPa and mmHg are common when working with mixed-vendor instrumentation, when piping codes use different units to process datasheets, or when converting field readings into SI for hydraulic calculations.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).