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Pressure Converter

Conversion Results

International System of Units (SI)

Pascal (Pa)-
Kilopascal (kPa)-
Megapascal (MPa)-

Engineering units

Bar (bar)-
Millibar (mbar)-
Pound-force per square inch (psi)-
Kilogram-force per square centimeter (kgf/cm²)-
Technical atmosphere (at)-
Pound-force per square foot (psf)-

Meteorological & medical

Standard atmosphere (atm)-
Millimeter of mercury (mmHg)-
Inch of mercury (inHg)-

Low-pressure units

Millimeter of water (mmH₂O)-
Inch of water (inH₂O)-

About the Pressure Converter

Supported unit systems:

  • SI: Pa, kPa, MPa
  • Engineering: bar, mbar, psi, kgf/cm²
  • Meteorological & medical: atm, mmHg, inHg
  • Low pressure: mmH₂O, inH₂O

Common conversions:

  • 1 bar = 100 kPa = 10⁵ Pa
  • 1 atm = 101.325 kPa ≈ 760 mmHg
  • 1 psi ≈ 6.895 kPa
  • 1 kgf/cm² ≈ 98.0665 kPa
  • 1 mmHg ≈ 133.322 Pa

Use cases:

  • Engineering: MPa, bar, or psi
  • Medical: mmHg (blood pressure)
  • Meteorology: mbar or hPa
  • Hydraulics: MPa or bar
  • Ventilation: mmH₂O or inH₂O

Note: All conversions follow international standards. Some units vary slightly by context; this tool uses current international conventions.