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Pressure & Vacuum Unit Conversions — PSI, Bar, kPa, MPa, inHg, mmHg
Free pressure and vacuum unit conversion calculators. Convert PSI to bar, kPa to PSI, inches Hg to PSI, inches water to PSI, MPa to PSI, kg/cm² to PSI, and more industrial pressure engineering tools.
Pressure & Vacuum Unit Conversions — PSI, Bar, kPa, MPa, inHg, mmHg (66)
Bar to Atmospheres Converter
Bar and standard atmosphere (atm) are nearly equivalent units — the difference is only 1.3%. 1 bar = 100,000...
Bar to PSI Converter
The bar is a metric pressure unit defined as exactly 100,000 pascals (100 kPa or 0.1 MPa). It is not an...
Inches of Mercury to PSI Converter
1 inch of mercury (inHg) equals 0.49115 psi. Mercury manometers were historically the standard for pressure...
Inches of Water to PSI Converter
One inch of water column (inH₂O, also written as in.w.c. or in.wg) at 4°C equals exactly 0.0361263 psi under...
kPa to PSI Converter
1 kPa equals 0.145038 psi. This is the inverse of the PSI to kPa conversion. The kilopascal is the standard SI...
MPa to PSI Converter
1 MPa (megapascal) equals 145.038 psi. MPa is the SI unit for high pressure applications such as hydraulic...
PSI to Bar Converter
1 pound per square inch (psi) equals 0.0689476 bar. Bar is the metric unit commonly used in Europe and for...
PSI to kPa Converter
1 PSI equals 6.89476 kPa. The kilopascal (kPa) is the preferred SI-derived unit for pressure measurement in...
PSI to MPa Converter
Megapascals (MPa) are the SI unit for pressure in engineering applications, commonly used for material...
PSIA to PSIG Converter
PSIA (pounds per square inch absolute) measures pressure relative to a perfect vacuum (0 psia). PSIG (pounds...
PSIG to PSIA Converter
PSIG (pounds per square inch gauge) measures pressure relative to local atmospheric pressure. A gauge reads 0...
inHg Vacuum to atm Converter
Standard atmospheric pressure at sea level supports a mercury column 29.92 inches high. This converter...
kg/cm² to PSI Converter
Kilogram-force per square centimeter (kgf/cm² or kg/cm²) is a traditional metric pressure unit, still common...
mmHg to PSI Converter
Millimeters of mercury (mmHg) is a traditional pressure unit based on the height of a mercury column. It is...
Torr to mbar Converter
The torr is a traditional vacuum pressure unit named after Evangelista Torricelli. One torr is approximately...