🔩 Pressure
hPa to inches of mercury Converter
Convert hPa to inches of mercury instantly with a reference conversion table.
Quick answer: To convert hPa to inches of mercury, multiply by 0.02953. For example, 1 hPa = 0.02953 inches of mercury. Use the calculator below for any value.
hPa to inches of mercury
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Common conversions
| hPa | inches of mercury |
|---|
Formula:
How to convert hPa to inches of mercury
1
Enter your value
Type the number of hpa you want to convert into the left box. The result in inches of mercury appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — inches of mercury to hPa. Your current value carries across so you don't have to re-enter anything.
3
About hPa and inches of mercury
hPa and inches of mercury are commonly compared in pressure contexts.
💡 Did you know?
Standard sea-level pressure: 1013.25 hPa = 29.92 inHg. Aviation uses inHg in the US; most of the world uses hPa. The QNH setting on an altimeter (local sea-level pressure) is given in hPa or inHg depending on region.
📊 Common conversions at a glance
| hPa | inches of mercury |
|---|---|
| 900 | 26.58 |
| 950 | 28.05 |
| 1000 | 29.53 |
| 1013 | 29.91 |
| 1030 | 30.42 |
| 1050 | 31.01 |
Reviewed for 2026. hPa ↔ inches of mercury conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.