Convert mmHg to Kilopascals

Converting mmHg (mmHg) to Kilopascals (kPa) is a common task in pressure measurements. Pressure conversions appear in tire inflation, weather forecasting, scuba diving, and industrial engineering across pascals, bar, psi, and mmHg.

To convert, multiply the mmhg value by 0.133322. Written as an equation: kPa = mmHg × 0.133322.

One mmhg equals approximately 0.133322 kPa. This means you can multiply any mmHg value by 0.133322 to get the equivalent in kPa.

Worked example: 10 mmHg = 1.33322 kPa. Enter your own value in the converter above for instant results.

Common mistake: Tire pressure may be listed in psi, bar, or kPa depending on your gauge or vehicle manual — always match the unit your manufacturer specifies.

Bookmark this page for quick mmHg to kPa conversions, or use the swap button to reverse the direction and convert kPa back to mmHg.