UnitChart

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 psi = 2.03602 inHg

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.

Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

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.

psi to inHg conversion table
pounds per square inch (psi)inches of mercury (inHg)
0.01 psi0.0203602 inHg
0.1 psi0.203602 inHg
1 psi2.03602 inHg
2 psi4.07204 inHg
3 psi6.10806 inHg
5 psi10.1801 inHg
10 psi20.3602 inHg
20 psi40.7204 inHg
50 psi101.801 inHg
100 psi203.602 inHg
1,000 psi2,036.02 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.

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