Convert psi to mmHg
1 psi = 51.7149 mmHg · 1 mmHg = 0.0193368 psi · Exact by definition
1 psi = 51.7149 mmHg
The conventional mmHg, which differs from the torr by less than one part in seven million.
The same value in other units
- pascal
- 6894.76 Pa
- hectopascal
- 68.9476 hPa
- kilopascal
- 6.89476 kPa
- bar
- 0.0689476 bar
- standard atmosphere
- 0.068046 atm
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The conventional mmHg, which differs from the torr by less than one part in seven million.
Pressure
psi to mmHg: conversion table
| pound per square inch | millimetre of mercury |
|---|---|
| 1 psi | 51.7149 mmHg |
| 2 psi | 103.43 mmHg |
| 3 psi | 155.145 mmHg |
| 5 psi | 258.575 mmHg |
| 10 psi | 517.149 mmHg |
| 20 psi | 1034.3 mmHg |
| 25 psi | 1292.87 mmHg |
| 50 psi | 2585.75 mmHg |
| 100 psi | 5171.49 mmHg |
| 250 psi | 12928.7 mmHg |
| 500 psi | 25857.5 mmHg |
| 1000 psi | 51714.9 mmHg |
| millimetre of mercury | pound per square inch |
|---|---|
| 1 mmHg | 0.0193368 psi |
| 2 mmHg | 0.0386736 psi |
| 3 mmHg | 0.0580103 psi |
| 5 mmHg | 0.0966839 psi |
| 10 mmHg | 0.193368 psi |
| 20 mmHg | 0.386736 psi |
| 25 mmHg | 0.483419 psi |
| 50 mmHg | 0.966839 psi |
| 100 mmHg | 1.93368 psi |
| 250 mmHg | 4.83419 psi |
| 500 mmHg | 9.66839 psi |
| 1000 mmHg | 19.3368 psi |
How the conversion works
mmHg = psi × 51.714925
Both units are defined exactly, so the precision of the psi to mmHg result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
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