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mmHg to kPa Converter

Choose a direction and enter a value to convert between mmHg and kPa.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

Millimeters of mercury (mmHg), also called torr, and kilopascals (kPa) are both units of pressure, related by the fixed factor 1 mmHg = 0.133322 kPa (equivalently, 1 kPa ≈ 7.50062 mmHg). This calculator converts between the two and also shows the equivalent in standard atmospheres, since 1 atm = 101.325 kPa = 760 mmHg exactly.

The conversion is used across several fields: in medicine, blood pressure is traditionally recorded in mmHg but many countries and lab systems report other pressures in kPa; in meteorology and engineering, mmHg (or torr) is common for vacuum and low-pressure measurements while kPa is the SI-standard unit used in most scientific and technical documentation.

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