Conversion category
Pressure converters
Pressure measures force distributed over an area.
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- atmosphere technical (at)
- Atmospheres (atm)
- attopascal (aPa)
- bar (bar)
- break
- centimeter mercury (0°C)
- centimeter water (4°C)
- centipascal (cPa)
- decipascal (dPa)
- dekapascal (daPa)
- dyne/square centimeter
- exapascal (EPa)
- femtopascal (fPa)
- foot water (4°C) (ftAq)
- foot water (60°F) (ftAq)
- gigapascal (GPa)
- gram-force/sq. centimeter
- hectopascal (hPa)
- inch mercury (32°F) (inHg)
- inch mercury (60°F) (inHg)
- inch water (4°C) (inAq)
- inch water (60°F) (inAq)
- Inches of Mercury (inHg)
- Inches of Water (in H20)
- Kilogram force per square meter (kg/m2)
- kilogram-force/sq. cm
- kilogram-force/sq. millimeter
- kilogram-force/square meter
- kilonewton/square meter
- kilopascal (kPa)
- kip-force/square inch
- ksi (ksi)
- megapascal (MPa)
- microbar (µbar)
- micropascal (µPa)
- millibar (mbar)
- millimeter mercury (0°C)
- millimeter water (4°C)
- Millimeters of mercury (mmHg)
- Millimeters of water (mm H2O)
- millipascal (mPa)
- nanopascal (nPa)
- newton/square centimeter
- newton/square meter
- newton/square millimeter
- Newtons per metre squared (N/m2)
- pascal (Pa)
- Pascals (Pa)
- petapascal (PPa)
- picopascal (pPa)
- Pound force per square inch (psi)
- pound-force/square foot
- pound-force/square inch
- poundal/square foot
- Pounds per square foot (psf)
- psi (psi)
- Standard atmosphere (atm)
- terapascal (TPa)
- ton-force (long)/square foot
- ton-force (long)/square inch
- ton-force (short)/sq. foot
- ton-force (short)/sq. inch
- torr (Torr)
- Torrs (Torr)
Pressure converters
Pressure measures force distributed over an area. This CalculatorHQ catalog contains 65 canonical units and 2,806 directional conversion routes in this category. Most pressure conversions are linear. CalculatorHQ converts each unit through pascal and derives the target value from the two canonical scale factors. Unit names that include regional, historical, dry, liquid, survey, or standard-condition qualifiers are treated as distinct definitions.