hPa to PSI Converter

How to convert hectopascals to pounds per square inch

Formulapsi = hPa × 0.01450377377

Multiply the value in hectopascals by 0.01450377377. To go the other way, multiply by 68.94757293 (or divide by 0.01450377377).

A hectopascal is smaller than a pound per square inch: it takes 68.94757293 hectopascals to make one pound per square inch.

Worked examples

1 hectopascal1 hPa × 0.01450377377 = 0.01450377377 psi
5 hectopascals5 hPa × 0.01450377377 = 0.07251886887 psi
10 hectopascals10 hPa × 0.01450377377 = 0.1450377377 psi
20 hectopascals20 hPa × 0.01450377377 = 0.2900754755 psi
100 hectopascals100 hPa × 0.01450377377 = 1.450377377 psi

Hectopascals to pounds per square inch conversion table

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

Hectopascals to pounds per square inch: 0.1–10 hPa
Hectopascals (hPa)	Pounds per square inch (psi)
0.1 hPa	0.0014503774 psi
0.25 hPa	0.0036259434 psi
0.5 hPa	0.0072518869 psi
1 hPa	0.014503774 psi
2 hPa	0.029007548 psi
3 hPa	0.043511321 psi
4 hPa	0.058015095 psi
5 hPa	0.072518869 psi
6 hPa	0.087022643 psi
7 hPa	0.10152642 psi
8 hPa	0.11603019 psi
9 hPa	0.13053396 psi
10 hPa	0.14503774 psi

Hectopascals to pounds per square inch: 12–1,000 hPa
Hectopascals (hPa)	Pounds per square inch (psi)
12 hPa	0.17404529 psi
15 hPa	0.21755661 psi
20 hPa	0.29007548 psi
25 hPa	0.36259434 psi
30 hPa	0.43511321 psi
40 hPa	0.58015095 psi
50 hPa	0.72518869 psi
75 hPa	1.087783 psi
100 hPa	1.4503774 psi
250 hPa	3.6259434 psi
500 hPa	7.2518869 psi
1,000 hPa	14.503774 psi

About the units

Hectopascal (hPa)

One hundred pascals, numerically equal to a millibar. Weather maps show sea-level pressure in hPa (around 1013). One hectopascal equals 100 pascals (Pa).

Pound per square inch (psi)

One pound-force per square inch, about 6,894.76 Pa. US tire, air-compressor and hydraulic pressures are given in psi. One pound per square inch equals 6,894.757293 pascals (Pa).

Frequently asked questions

How many pounds per square inch are in one hectopascal?

There are 0.01450377377 pounds per square inch in one hectopascal, and this value is exact by definition.

How do I convert hectopascals to pounds per square inch?

Multiply the number of hectopascals by 0.01450377377. For example, 10 hPa × 0.01450377377 = 0.1450377377 psi.

How many hectopascals are in one pound per square inch?

One pound per square inch equals 68.94757293 hectopascals. That is the reverse factor, 1 ÷ 0.01450377377.

What is 10 hectopascals in pounds per square inch?

10 hPa = 0.1450377377 psi.

Is this hPa to psi 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.