inHg to psi converter
Convert inches of mercury (inHg) to psi (psi). 1 inHg = 0.491154 psi.
Calculating…
Conversion factor
1 inHg = 0.491154 psi · 1 psi = 2.03602 inHg
inHg to psi table
| inHg | psi |
|---|---|
| 1 inHg | 0.491154 psi |
| 2 inHg | 0.982308 psi |
| 3 inHg | 1.47346 psi |
| 4 inHg | 1.96462 psi |
| 5 inHg | 2.45577 psi |
| 6 inHg | 2.94693 psi |
| 7 inHg | 3.43808 psi |
| 8 inHg | 3.92923 psi |
| 9 inHg | 4.42039 psi |
| 10 inHg | 4.91154 psi |
| 12 inHg | 5.89385 psi |
| 14 inHg | 6.87616 psi |
| 15 inHg | 7.36731 psi |
| 16 inHg | 7.85847 psi |
| 18 inHg | 8.84078 psi |
| 20 inHg | 9.82308 psi |
| 22 inHg | 10.8054 psi |
| 24 inHg | 11.7877 psi |
| 25 inHg | 12.2789 psi |
| 26 inHg | 12.77 psi |
| 28 inHg | 13.7523 psi |
| 29 inHg | 14.2435 psi |
| 29.92 inHg | 14.6953 psi |
| 30 inHg | 14.7346 psi |
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.