Pressure Converter — Free Online Pressure Unit Conversion

Pressure conversion is essential in meteorology, engineering, automotive, and medical fields. Convert between pascals, bar, PSI, atmospheres, and mmHg with our fast, accurate pressure converter.

What is a Pressure Converter?

Pressure is force applied per unit area. The SI unit is the pascal (Pa), but bar, PSI (pounds per square inch), atmospheres (atm), and millimeters of mercury (mmHg) are widely used in various industries.

Common Uses for Pressure Conversion

  • Automotive — Checking tire pressure in PSI or bar depending on your region
  • Weather — Understanding atmospheric pressure in millibars, hectopascals, or inches of mercury
  • Medical — Converting blood pressure readings between mmHg and kPa
  • Engineering — Working with pressure specifications in different industrial standards
  • Diving — Calculating water pressure at depth in atmospheres or bar

Popular Pressure Conversions

Pascal to KilopascalPascal to BarKilopascal to PascalKilopascal to BarBar to PascalBar to KilopascalPSI to PascalPSI to Kilopascal

All Pressure Units

  • Pascal (Pa)
  • Kilopascal (kPa)
  • Bar (bar)
  • PSI (psi)
  • Hectopascal (hPa)
  • Megapascal (MPa)
  • Millibar (mbar)
  • Atmosphere (atm)
  • Torr (Torr)
  • Millimeters of Mercury (mmHg)
  • Meters of Water (mH₂O)
  • Inches of Mercury (inHg)

Tips for Pressure Conversion

  • Standard atmospheric pressure: 1 atm = 101,325 Pa = 14.696 PSI = 1.01325 bar
  • Normal tire pressure: typically 30-35 PSI ≈ 2.07-2.41 bar
  • Normal blood pressure: 120/80 mmHg ≈ 16/10.7 kPa

Frequently Asked Questions

What is a pressure converter?

A pressure converter is a tool that allows you to convert between different pressure units instantly. It supports conversions between 12 different units including Pascal, Kilopascal, Bar, PSI, Hectopascal, and more.

How do I convert pressure units?

To convert pressure units, simply enter the value you want to convert, select the source unit (from), and select the target unit (to). The converter will instantly calculate and display the result with high precision.

What pressure units are available for conversion?

Our pressure converter supports 12 units including: Pascal (Pa), Kilopascal (kPa), Bar (bar), PSI (psi), Hectopascal (hPa), Megapascal (MPa), Millibar (mbar), Atmosphere (atm), Torr (Torr), Millimeters of Mercury (mmHg), Meters of Water (mH₂O), Inches of Mercury (inHg).

Is this pressure converter accurate?

Yes, our pressure converter uses precise conversion factors and formulas to ensure accurate results. All calculations are performed instantly in your browser for fast, reliable conversions.

Can I convert pressure on mobile devices?

Absolutely! Our pressure converter is fully responsive and works on all devices including smartphones, tablets, and desktop computers. No app download required.

What is atmospheric pressure?

Standard atmospheric pressure at sea level is 101,325 Pascals (Pa), 1 atmosphere (atm), 1.01325 bar, or 14.7 psi. This is the average air pressure at sea level and is used as a reference point.

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