Skip to content

hPa to mmHg converter

1 hectopascal equals 0.75006158 millimeters of mercury. Conversions use mmHg = hPa × 0.750062

hPa → 0.75006158 mmHg

mmHg = hPa × 0.750062

Converter

Worked examples

1 hPa = 0.75006158 mmHg
2 hPa = 1.500123 mmHg
5 hPa = 3.750308 mmHg
10 hPa = 7.500616 mmHg
100 hPa = 75.006158 mmHg

hectopascals to millimeters of mercury conversion table

hPa	mmHg	Arithmetic
1 hPa	0.75006158 mmHg	× 0.750062
2 hPa	1.500123 mmHg	× 0.750062
3 hPa	2.250185 mmHg	× 0.750062
4 hPa	3.000246 mmHg	× 0.750062
5 hPa	3.750308 mmHg	× 0.750062
6 hPa	4.500369 mmHg	× 0.750062
8 hPa	6.000493 mmHg	× 0.750062
10 hPa	7.500616 mmHg	× 0.750062
12 hPa	9.000739 mmHg	× 0.750062
15 hPa	11.250924 mmHg	× 0.750062
20 hPa	15.001232 mmHg	× 0.750062
25 hPa	18.751539 mmHg	× 0.750062
30 hPa	22.501847 mmHg	× 0.750062
40 hPa	30.002463 mmHg	× 0.750062
50 hPa	37.503079 mmHg	× 0.750062
60 hPa	45.003695 mmHg	× 0.750062
70 hPa	52.50431 mmHg	× 0.750062
80 hPa	60.004926 mmHg	× 0.750062
90 hPa	67.505542 mmHg	× 0.750062
100 hPa	75.006158 mmHg	× 0.750062

How to convert hPa to mmHg

Take your value in hectopascals.
Multiply by 0.750062
That is your answer in millimeters of mercury — no rounding needed until you choose a display precision.

mmHg to hPa kPa to mmHg bar to mmHg psi to mmHg atm to mmHg mmHg to kPa mmHg to bar mmHg to psi mmHg to atm all pressure units

Questions

How many millimeters of mercury in 1 hectopascal?

Exactly 0.75006158 mmHg. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert hPa to mmHg?

Multiply the hectopascals figure by 0.750062 — or use the converter above, which updates as you type.

Is hPa to mmHg the same as mmHg to hPa?

No — they are inverses. One hPa is 0.75006158 mmHg, while one mmHg is 1.333224 hPa.

What is 1 hPa in mmHg?

1 hPa = 0.75006158 mmHg (see the value page for the full arithmetic).