Pressure & stress
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert millimetre of mercury (mmHg) to inch of mercury, conventional (inHg). Enter a value for an instant result, or use the examples and reverse conversion below.
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a millimetre of mercury value to calculate inch of mercury, conventional with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| pascalfrom mmHg | Pa | 133.322 |
| hectopascalfrom mmHg | hPa | 1.33322 |
| kilopascalfrom mmHg | kPa | 0.133322 |
| megapascalfrom mmHg | MPa | 0.000133322 |
| gigapascalfrom mmHg | GPa | 0.000000133322 |
| millibarfrom mmHg | mbar | 1.33322 |
| barfrom mmHg | bar | 0.00133322 |
| standard atmospherefrom mmHg | atm | 0.00131579 |
| torrfrom mmHg | Torr | 1 |
| millimetre of mercuryfrom mmHg | mmHg | 1 |
| inch of mercury, conventionalfrom mmHg | inHg | 0.0393701 |
| millimetre of water, conventionalfrom mmHg | mmH₂O | 13.5951 |
| inch of water, conventionalfrom mmHg | inH₂O | 0.53524 |
| pound-force per square footfrom mmHg | psf | 2.7845 |
| pound-force per square inchfrom mmHg | psi | 0.0193368 |
| kilopound-force per square inchfrom mmHg | ksi | 0.0000193368 |
| kilogram-force per square centimetrefrom mmHg | kgf/cm² | 0.00135951 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Millimetre Of Mercury (mmHg) and inch of mercury, conventional (inHg) are units of pressure & stress. Use this page to convert in either direction.
| Millimetre Of Mercury (mmHg) | Inch Of Mercury, Conventional (inHg) |
|---|---|
| 1 mmHg | 0.0393701 inHg |
| 5 mmHg | 0.19685 inHg |
| 10 mmHg | 0.393701 inHg |
| 100 mmHg | 3.93701 inHg |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
inHg to mmHg (inch of mercury, conventional to millimetre of mercury)