hPa to bar converter

1 hectopascal equals 0.001 bar. Conversions use bar = hPa × 0.001

hPa → 0.001 bar

bar = hPa × 0.001

Converter

Worked examples

1 hPa = 0.001 bar
2 hPa = 0.002 bar
5 hPa = 0.005 bar
10 hPa = 0.01 bar
100 hPa = 0.1 bar

hectopascals to bar conversion table

hPa	bar	Arithmetic
1 hPa	0.001 bar	× 0.001
2 hPa	0.002 bar	× 0.001
3 hPa	0.003 bar	× 0.001
4 hPa	0.004 bar	× 0.001
5 hPa	0.005 bar	× 0.001
6 hPa	0.006 bar	× 0.001
8 hPa	0.008 bar	× 0.001
10 hPa	0.01 bar	× 0.001
12 hPa	0.012 bar	× 0.001
15 hPa	0.015 bar	× 0.001
20 hPa	0.02 bar	× 0.001
25 hPa	0.025 bar	× 0.001
30 hPa	0.03 bar	× 0.001
40 hPa	0.04 bar	× 0.001
50 hPa	0.05 bar	× 0.001
60 hPa	0.06 bar	× 0.001
70 hPa	0.07 bar	× 0.001
80 hPa	0.08 bar	× 0.001
90 hPa	0.09 bar	× 0.001
100 hPa	0.1 bar	× 0.001

How to convert hPa to bar

Take your value in hectopascals.
Multiply by 0.001
That is your answer in bar — no rounding needed until you choose a display precision.

Related conversions

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

Questions

How many bar in 1 hectopascal?

Exactly 0.001 bar. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert hPa to bar?

Multiply the hectopascals figure by 0.001 — or use the converter above, which updates as you type.

Is hPa to bar the same as bar to hPa?

No — they are inverses. One hPa is 0.001 bar, while one bar is 1,000 hPa.

What is 1 hPa in bar?

1 hPa = 0.001 bar (see the value page for the full arithmetic).