Convert millimeter of mercury to bar
Here you can quickly calculate how many bar fit in one millimeter of mercury.
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- 1 mmHg = 0.001333 bar
- 1 bar = 750.061576 mmHg
Example: millimeter of mercury to bar
- 1 millimeter of mercury = 0.001333 bar
Millimeter of mercury to bar conversion table
| millimeter of mercury | bar |
|---|---|
| 1 | 0.001333 |
| 2 | 0.002666 |
| 5 | 0.006666 |
| 10 | 0.013332 |
| 20 | 0.026664 |
| 50 | 0.066661 |
| 100 | 0.133322 |
Millimeter of mercury to bar formula
To convert millimeter of mercury to bar, multiply by 0.001333.
1 mmHg = 0.001333 bar
Example: 1 millimeter of mercury = 0.001333 bar
Common pressure conversion mistakes
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Tire pressure is quoted in bar in Europe and psi in the US: 1 bar is about 14.5 psi. The recommended 2.5 bar equals about 36 psi, inflating to '25 psi' on the assumption they match leaves the tire dangerously underinflated. Multiply bar by 14.5 to get psi.
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One atmosphere is not exactly one bar: 1 atm = 1.01325 bar = 101.325 kPa. There is also the technical atmosphere (1 kgf/cm²) at about 0.981 bar. The ~1% differences rarely matter day to day, but engineering and diving calculations need the right unit.
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Blood pressure uses mmHg (120/80) and weather reports use hPa (around 1,013), different units that must not be mixed: 760 mmHg = 1,013.25 hPa. One mmHg is about 1.33 hPa.
Quick millimeter of mercury and bar conversion quiz
Score:
0
156 bar equals 7.02e+4 millimeter of mercury.
Correct answer: 156 bar = 1.17e+5 millimeter of mercury.
153 bar equals 1.15e+5 millimeter of mercury.
Correct answer: 153 bar = 1.15e+5 millimeter of mercury.
203 bar equals 3.05e+5 millimeter of mercury.
Correct answer: 203 bar = 1.52e+5 millimeter of mercury.