Convert mmHg to inHg
Millimeters of mercury to inches of mercury. Enter a value to convert, or use the mmHg to inHg chart further down the page.
1 millimeter of mercury equals 0.03937007874 inches of mercury. Going the other way, 1 inch of mercury = 25.4 millimeters of mercury.
How to convert mmHg to inHg
To convert millimeters of mercury to inches of mercury, multiply the millimeter of mercury value by 0.03937007874. You can also divide by 25.4 to get the same answer.
inHg = mmHg × 0.03937007874
Worked example
Convert 15 mmHg to inches of mercury:
15 mmHg = 0.5905511811 inHg
mmHg to inHg conversion chart
Use this mmHg to inHg table for quick reference without typing anything.
| millimeters of mercury (mmHg) | inches of mercury (inHg) |
|---|---|
| 0.01 mmHg | 0.0003937007874 inHg |
| 0.1 mmHg | 0.003937007874 inHg |
| 1 mmHg | 0.03937007874 inHg |
| 2 mmHg | 0.07874015748 inHg |
| 3 mmHg | 0.1181102362 inHg |
| 5 mmHg | 0.1968503937 inHg |
| 10 mmHg | 0.3937007874 inHg |
| 20 mmHg | 0.7874015748 inHg |
| 50 mmHg | 1.968503937 inHg |
| 100 mmHg | 3.937007874 inHg |
| 1,000 mmHg | 39.37007874 inHg |
What is a millimeter of mercury?
A millimeter of mercury is about 133.32 pascals. It is the unit used for blood pressure readings.
What is an inch of mercury?
An inch of mercury is about 3,386.39 pascals. Aircraft altimeters and US weather reports use it; the standard sea-level setting is 29.92 inHg.
Frequently asked questions
How many inHg are in a millimeter of mercury?
1 mmHg equals 0.03937007874 inHg. Going the other way, 1 inHg is 25.4 mmHg.
How do you convert mmHg to inHg?
To convert millimeters of mercury to inches of mercury, multiply the millimeter of mercury value by 0.03937007874. You can also divide by 25.4 to get the same answer.
What is 10 mmHg in inHg?
10 mmHg equals 0.3937007874 inHg. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert mmHg to other units
- inHg to mmHg
- mmHg to psi
- mmHg to bar
- mmHg to pascals
- mmHg to kPa
- mmHg to atm
- mmHg to torr
- mmHg to millibars
Convert other units to inHg
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