Millimeter of mercury to Inch of mercury Converter
Convert millimeters of mercury to inches of mercury with this free pressure converter. The exact relationship used on this page is 1 millimeter of mercury = 0.0393700745588 inches of mercury. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Inch of mercury = Millimeter of mercury × 0.0393700745588
How to convert millimeters of mercury to inches of mercury
- Enter the value in millimeters of mercury in the converter.
- Read the equivalent amount in inches of mercury.
- Use the swap link if you need inch of mercury to millimeter of mercury instead.
- Check the table for common values without typing.
Worked examples
- 1 mmHg = 0.03937007456 inHg
- 5 mmHg = 0.1968503728 inHg
- 10 mmHg = 0.3937007456 inHg
- 25 mmHg = 0.984251864 inHg
Conversion table
Common millimeters of mercury values converted to inches of mercury.
| mmHg | inHg |
|---|---|
| 1 | 0.03937007456 |
| 2 | 0.07874014912 |
| 3 | 0.1181102237 |
| 4 | 0.1574802982 |
| 5 | 0.1968503728 |
| 6 | 0.2362204474 |
| 7 | 0.2755905219 |
| 8 | 0.3149605965 |
| 9 | 0.354330671 |
| 10 | 0.3937007456 |
| 20 | 0.7874014912 |
| 50 | 1.968503728 |
| 100 | 3.937007456 |
| 250 | 9.84251864 |
| 500 | 19.68503728 |
| 1,000 | 39.37007456 |
About this conversion
Millimeter of mercury (mmHg) and Inch of mercury (inHg) are both pressure units. Tire pressure, weather maps, scuba, and industrial gauges all report pressure in different units. Bookmark this URL when you convert millimeters of mercury to inches of mercury often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the inch of mercury to millimeter of mercury converter.
FAQ
How many inches of mercury are in 1 millimeter of mercury?+
1 millimeter of mercury equals 0.0393700745588 inches of mercury.
What is the formula to convert millimeters of mercury to inches of mercury?+
Inch of mercury = Millimeter of mercury × 0.0393700745588
How do I convert millimeters of mercury to inches of mercury by hand?+
Multiply the millimeter of mercury value by 0.0393700745588. Example: 10 millimeters of mercury × 0.0393700745588 = 0.393700745588 inches of mercury.
Is this mmHg to inHg converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.