Convert psi to inHg
pounds per square inch to inches of mercury. Enter a value to convert, or use the psi to inHg chart further down the page.
1 pound per square inch equals 2.03602 inches of mercury. Going the other way, 1 inch of mercury = 0.491154 pounds per square inch.
How to convert psi to inHg
To convert pounds per square inch to inches of mercury, multiply the pound per square inch value by 2.036020677. You can also divide by 0.4911541475 to get the same answer.
inHg = psi × 2.036020677
Worked example
Convert 15 psi to inches of mercury:
15 psi = 30.5403 inHg
psi to inHg conversion chart
Use this psi to inHg table for quick reference without typing anything.
| pounds per square inch (psi) | inches of mercury (inHg) |
|---|---|
| 0.01 psi | 0.0203602 inHg |
| 0.1 psi | 0.203602 inHg |
| 1 psi | 2.03602 inHg |
| 2 psi | 4.07204 inHg |
| 3 psi | 6.10806 inHg |
| 5 psi | 10.1801 inHg |
| 10 psi | 20.3602 inHg |
| 20 psi | 40.7204 inHg |
| 50 psi | 101.801 inHg |
| 100 psi | 203.602 inHg |
| 1,000 psi | 2,036.02 inHg |
What is a pound per square inch?
One psi is one pound-force per square inch, about 6,894.76 pascals. It is the standard pressure unit for tyres and hydraulics in the US.
What is a 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 pound per square inch?
1 psi equals 2.03602 inHg. Going the other way, 1 inHg is 0.491154 psi.
How do you convert psi to inHg?
To convert pounds per square inch to inches of mercury, multiply the pound per square inch value by 2.036020677. You can also divide by 0.4911541475 to get the same answer.
What is 10 psi in inHg?
10 psi equals 20.3602 inHg. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert psi to other units
Convert other units to inHg
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