mmHg to atm

Instantly convert millimeters of mercury to standard atmospheres. One atmosphere equals exactly 760 mmHg.

760 mmHg ÷ 760 = 1.000000 atm

Result

1 atm

mmHg760atm1

About this calculator

Millimeters of mercury (mmHg) is a pressure unit commonly used in medicine, meteorology, and laboratory settings. One standard atmosphere is defined as exactly 760 mmHg, making this a simple division. This converter uses Decimal.js for precise results.

Common examples

  • 760 mmHg = 1.000000 atm (1 standard atmosphere)
  • 380 mmHg = 0.500000 atm (half an atmosphere)
  • 1520 mmHg = 2.000000 atm (two atmospheres)
  • 101.325 mmHg ≈ 0.133322 atm
  • 100 mmHg ≈ 0.131579 atm