inHg to Pascals Converter (inHg to Pa)

How to convert inches of mercury to pascals

FormulaPa = inHg × 3,386.38864

Multiply the value in inches of mercury by 3,386.38864. To go the other way, multiply by 0.000295299833 (or divide by 3,386.38864).

An inch of mercury is larger than a pascal: one inch of mercury contains 3,386.38864 pascals.

Worked examples

1 inch of mercury1 inHg × 3,386.38864 = 3,386.38864 Pa
5 inches of mercury5 inHg × 3,386.38864 = 16,931.9432 Pa
10 inches of mercury10 inHg × 3,386.38864 = 33,863.8864 Pa
20 inches of mercury20 inHg × 3,386.38864 = 67,727.77281 Pa
100 inches of mercury100 inHg × 3,386.38864 = 338,638.864 Pa

Inches of mercury to pascals conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Inches of mercury to pascals: 0.1–10 inHg
Inches of mercury (inHg)	Pascals (Pa)
0.1 inHg	338.63886 Pa
0.25 inHg	846.59716 Pa
0.5 inHg	1,693.1943 Pa
1 inHg	3,386.3886 Pa
2 inHg	6,772.7773 Pa
3 inHg	10,159.166 Pa
4 inHg	13,545.555 Pa
5 inHg	16,931.943 Pa
6 inHg	20,318.332 Pa
7 inHg	23,704.72 Pa
8 inHg	27,091.109 Pa
9 inHg	30,477.498 Pa
10 inHg	33,863.886 Pa

Inches of mercury to pascals: 12–1,000 inHg
Inches of mercury (inHg)	Pascals (Pa)
12 inHg	40,636.664 Pa
15 inHg	50,795.83 Pa
20 inHg	67,727.773 Pa
25 inHg	84,659.716 Pa
30 inHg	101,591.66 Pa
40 inHg	135,455.55 Pa
50 inHg	169,319.43 Pa
75 inHg	253,979.15 Pa
100 inHg	338,638.86 Pa
250 inHg	846,597.16 Pa
500 inHg	1,693,194.3 Pa
1,000 inHg	3,386,388.6 Pa

About the units

Inch of mercury (inHg)

About 3,386.39 Pa. US weather reports and aircraft altimeters use inches of mercury (standard is 29.92 inHg). One inch of mercury equals 3,386.38864 pascals (Pa).

Pascal (Pa)

One newton per square metre — a very small pressure. Atmospheric pressure is about 101,325 Pa.

Frequently asked questions

How many pascals are in one inch of mercury?

There are 3,386.38864 pascals in one inch of mercury, and this value is exact by definition.

How do I convert inches of mercury to pascals?

Multiply the number of inches of mercury by 3,386.38864. For example, 10 inHg × 3,386.38864 = 33,863.8864 Pa.

How many inches of mercury are in one pascal?

One pascal equals 0.000295299833 inches of mercury. That is the reverse factor, 1 ÷ 3,386.38864.

What is 10 inches of mercury in pascals?

10 inHg = 33,863.8864 Pa.

Is this inHg to Pa converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

inHg to Pascals Converter