hectopascals (hPa)

hectopascals as a conversion hub: 7 direct pairs, all with the exact factor on the page.

Definition1 hPa = 0.1 kPa exactly

CategoryPressure Converter

Pairs from here7

Pressure Converter

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hectopascals converted to every other unit

hPa	kPa	bar	psi	atm	mmHg	inHg	MPa
1 hPa	0.1	0.001	0.01450377	0.0009869233	0.75006158	0.02952998	0.0001
2 hPa	0.2	0.002	0.02900755	0.0019738465	1.500123	0.05905996	0.0002
5 hPa	0.5	0.005	0.07251887	0.0049346163	3.750308	0.1476499	0.0005
10 hPa	1	0.01	0.14503774	0.0098692327	7.500616	0.2952998	0.001
20 hPa	2	0.02	0.29007548	0.01973847	15.001232	0.5905996	0.002
50 hPa	5	0.05	0.72518869	0.04934616	37.503079	1.476499	0.005
100 hPa	10	0.1	1.450377	0.09869233	75.006158	2.952998	0.01

All conversions starting from hPa

hPa to kPa hPa to bar hPa to psi hPa to atm hPa to mmHg hPa to inHg hPa to MPa

Questions

How do I convert from hectopascals?

Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.

Is hectopascal exact or approximate?

The factor shown (1 hPa = 0.1 kPa) is fixed by definition, so conversions are exact rather than measured.

What is hectopascal used for?

hectopascals as used in practical measurements