inHg to kPa converter
Convert inches of mercury (inHg) to kilopascals (kPa). 1 inHg = 3.38639 kPa.
Calculating…
Conversion factor
1 inHg = 3.38639 kPa · 1 kPa = 0.2953 inHg
inHg to kPa table
| inHg | kPa |
|---|---|
| 1 inHg | 3.38639 kPa |
| 2 inHg | 6.77278 kPa |
| 3 inHg | 10.1592 kPa |
| 4 inHg | 13.5456 kPa |
| 5 inHg | 16.9319 kPa |
| 6 inHg | 20.3183 kPa |
| 7 inHg | 23.7047 kPa |
| 8 inHg | 27.0911 kPa |
| 9 inHg | 30.4775 kPa |
| 10 inHg | 33.8639 kPa |
| 12 inHg | 40.6367 kPa |
| 14 inHg | 47.4094 kPa |
| 15 inHg | 50.7958 kPa |
| 16 inHg | 54.1822 kPa |
| 18 inHg | 60.955 kPa |
| 20 inHg | 67.7278 kPa |
| 22 inHg | 74.5006 kPa |
| 24 inHg | 81.2733 kPa |
| 25 inHg | 84.6597 kPa |
| 26 inHg | 88.0461 kPa |
| 28 inHg | 94.8189 kPa |
| 29 inHg | 98.2053 kPa |
| 29.92 inHg | 101.321 kPa |
| 30 inHg | 101.592 kPa |
1 bar = 14.504 psi = 100 kPa = 29.53 inHg. Gauge pressure (barg, psig) is measured above atmospheric; absolute pressure (bara, psia) adds about 1.013 bar / 14.7 psi. This converter changes units only. For vacuum readings, use the vacuum converter.
inHg and mmHg values assume mercury at 0 °C; inH₂O uses water at 4 °C. Those are the conventional definitions used by most gauge makers.
inHg is often used for vacuum gauges, reading below atmosphere. If your gauge says "inHg vac", use the vacuum converter to get absolute pressure; this page converts the unit only.