Pressure
N/mm²tommHg
Convert newtons per square millimetre (N/mm²) to millimetres of mercury (mmHg).
Factor1 N/mm² = 7500.616 mmHg
Converter
N/mm²
Accepts numbers or expressions, e.g. 150 + 14.7
Result
mmHg
Rendered to 6 significant figures.
Formula
Formula
mmHg = N/mm² × 7500.616
Multiply any value in newtons per square millimetre by 7500.616 to obtain the value in millimetres of mercury.
Worked example
Convert 1 N/mm² to mmHg.
- 01Start with 1 N/mm².
- 02Multiply by the conversion factor: 1 × 7500.616 = 7500.62 mmHg.
Result1 N/mm² = 7500.62 mmHg
Conversion table
| N/mm² | 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 N/mm² to mmHg?
1 N/mm² equals 7500.616 mmHg. To convert, multiply the value in newtons per square millimetre by 7500.616.
How do I convert 1 N/mm² to mmHg?
1 N/mm² = 7500.62 mmHg. For any value, multiply by 7500.616.
How do I convert mmHg back to N/mm²?
Divide by the same factor — or equivalently, multiply by 0.0001333224. So 1 mmHg = 0.000133322 N/mm².
When would I need to convert newton per square millimetre to millimetre of mercury?
Pressure conversions between N/mm² 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).