Common values
- 1 atm = 101.325 kPa = 1.01325 bar = 14.696 psi = 760 mmHg
- Tire pressure: 32 psi ≈ 220 kPa ≈ 2.2 bar
- Sea-level air: ~1013 hPa = 1013 mbar
- Blood pressure 120/80 = mmHg
FAQ
Are torr and mmHg the same?
Almost — 1 torr is defined as 1/760 atm exactly, while 1 mmHg is the pressure of a 1 mm column of mercury at 0 °C. They differ by less than 1 part in 10⁵, so for nearly all practical purposes they're interchangeable.