Mila's Pressure Converter

Tire pressure in PSI, a weather map in millibars, a lab reading in pascals, or a blood pressure cuff in mmHg — pressure shows up in different units depending on context. Mila's Pressure Converter handles 19 pressure units across metric, imperial, atmospheric, mercury-based, and water-based systems. Results update as you type. From the developer of Unit Converter: Mila's Tools (Apple Staff Pick, 4.8★ from 1,300+ reviews).

Five measurement families

• Metric/SI — micropascals through gigapascals, plus millibars, bars, and hectopascals
• Imperial — PSI and pounds per square foot
• Atmospheric — standard and technical atmospheres
• Mercury-based — torr, mmHg, and inHg
• Water-based — millimeters, inches, and feet of water

Common use cases

• Check and convert tire pressure between PSI and bar
• Translate weather reports from millibars to inHg
• Convert lab or engineering specs between pascals and PSI
• Switch medical pressure readings between mmHg and kPa

Precision and personalization

• Automatic smart formatting or manual decimal precision (0–10 places)
• Favorite units pinned to the top — drag to reorder
• Show or hide units you do not need
• Quick-copy any value with a swipe
• Dark mode, comfortable or compact layouts
• Available on iPhone, iPad, and Apple silicon Mac

Frequently asked questions

How do I convert PSI to bar?

Enter your PSI value and read the bar result instantly. All 19 units convert to each other in real time.

What is the difference between PSI and mmHg?

PSI measures force per square inch — common for tires and hydraulics. mmHg (millimeters of mercury) is standard for blood pressure and vacuum measurements. The app converts between them and 17 other units.

Does the app work offline?

Yes. All conversions run on your device with no network connection required.

Is this part of the Mila's Tools family?

Yes. Mila's Pressure Converter is a focused standalone app sharing the same conversion accuracy and interface design as Unit Converter: Mila's Tools.

Privacy

Mila's Pressure Converter does not collect conversion data or require an account. Your inputs stay on your device.

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