Convert mmHg to Bar

The mmHg-to-bar conversion appears often when working with pressure data across different unit systems. 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 0.00133322. Written as an equation: bar = mmHg × 0.00133322.

One mmhg equals approximately 0.001333 bar. This means you can multiply any mmHg value by 0.001333 to get the equivalent in bar.

Worked example: 5 mmHg = 0.006666 bar. 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 bar conversions, or use the swap button to reverse the direction and convert bar back to mmHg.