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Pounds per square inch (psi) is a unit of pressure commonly used in engineering, particularly in the United States and other countries that primarily use the imperial system. One psi is defined as the pressure resulting from a force of one pound-force applied to an area of one square inch. This unit is frequently used in applications such as automotive engineering, hydraulic systems, and pneumatic systems. It provides a practical measure of pressure for tasks such as tire pressure, hydraulic machinery, and air compressors.
Symbol/abbreviation: psi
Unit of: PRESSURE
PRESSURE's base unit: Pascals (Non-SI Unit)
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In relation to the base unit (Pascals), 1 Psi = 6894.7572932 Pascals.
Conversion table 1 Psi (psi) to all pressure units | ||
|---|---|---|
| 1 psi | = 0.070306957964239 Atmosphere At Technical (at) | ⇛ |
| 1 psi | = 0.06804596391019 Atmosphere Atm Standard (atm) | ⇛ |
| 1 psi | = 6.8947572938895E+21 Attopascals (aPa) | ⇛ |
| 1 psi | = 68947.572932 Barad (Barad) | ⇛ |
| 1 psi | = 0.068947572932 Bars (bar) | ⇛ |
| 1 psi | = 68947.572932 Barye (Ba) | ⇛ |
| 1 psi | = 5.1715075480416 Centimeter Of Mercury (cmHg) | ⇛ |
| 1 psi | = 70.306957964239 Centimeter Of Water (cmH2o) | ⇛ |
| 1 psi | = 689475.72932 Centipascals (cPa) | ⇛ |
| 1 psi | = 689.47572932 Decapascals (daPa) | ⇛ |
| 1 psi | = 68947.572932 Decipascals (dPa) | ⇛ |
| 1 psi | = 68947.572932 Dyne Per Square Centimeter (dyn/cm2) | ⇛ |
| 1 psi | = 64054453.248358 Dyne Per Square Foot (dyn/ft2) | ⇛ |
| 1 psi | = 444823.05117419 Dyne Per Square Inch (dyn/in2) | ⇛ |
| 1 psi | = 689475729.32 Dyne Per Square Meter (dyn/m2) | ⇛ |
| 1 psi | = 689.47572932 Dyne Per Square Millimeter (dyn/mm2) | ⇛ |
| 1 psi | = 576484723.51171 Dyne Per Square Yard (dyn/yd2) | ⇛ |
| 1 psi | = 6.8947572932E-15 Exapascals (EPa) | ⇛ |
| 1 psi | = 6.8947572932E+18 Femtopascals (fPa) | ⇛ |
| 1 psi | = 1882.6339413413 Foot Of Air 15°C (ft Air) | ⇛ |
| 1 psi | = 0.16966840515928 Foot Of Mercury (ftHg) | ⇛ |
| 1 psi | = 2.3067258038528 Foot Of Water (ftH2o) | ⇛ |
| 1 psi | = 2.3089381970426 Foot Of Water 15.5°C Or 60°F (ftH2o 60F) | ⇛ |
| 1 psi | = 2.3067258038528 Foot Of Water 4°C Or 39.2°F (ftH2o 39F) | ⇛ |
| 1 psi | = 6.8947572932E-6 Gigapascals (GPa) | ⇛ |
| 1 psi | = 70.306957964239 Gram Force Per Square Centimeter (g/cm2) | ⇛ |
| 1 psi | = 68.947572932 Hectopascals (hPa) | ⇛ |
| 1 psi | = 21411.797658066 Inch Of Air 0°C (in Air 0C) | ⇛ |
| 1 psi | = 22591.607296071 Inch Of Air 15°C (in Air 15C) | ⇛ |
| 1 psi | = 2.036020461087 Inch Of Mercury (inHg) | ⇛ |
| 1 psi | = 2.0360258722293 Inch Of Mercury 0°C Or 32°F (inHg 32F) | ⇛ |
| 1 psi | = 2.041771856375 Inch Of Mercury 15.5°C Or 60°F (inHg 60F) | ⇛ |
| 1 psi | = 27.707258364511 Inch Of Water (inH2o) | ⇛ |
| 1 psi | = 27.680672602597 Inch Of Water 4°C Or 39.2°F (inH2o 39F) | ⇛ |
| 1 psi | = 0.070306957964239 Kilogram Force Per Square Centimeter (kgf/cm2) | ⇛ |
| 1 psi | = 65.317240694215 Kilogram Force Per Square Foot (kgf/ft2) | ⇛ |
| 1 psi | = 0.45359350099669 Kilogram Force Per Square Inch (kgf/in2) | ⇛ |
| 1 psi | = 703.06957964239 Kilogram Force Per Square Meter (kgf/m2) | ⇛ |
| 1 psi | = 0.00070306957964239 Kilogram Force Per Square Millimeter (kgf/mm2) | ⇛ |
| 1 psi | = 587.85349554512 Kilogram Force Per Square Yard (kgf/yd2) | ⇛ |
| 1 psi | = 0.00068947572932 Kilonewton Per Square Centimeter (kN/cm2) | ⇛ |
| 1 psi | = 0.64054453248358 Kilonewton Per Square Foot (kN/ft2) | ⇛ |
| 1 psi | = 0.0044482305117419 Kilonewton Per Square Inch (kN/in2) | ⇛ |
| 1 psi | = 6.8947572932 Kilonewton Per Square Meter (kN/m2) | ⇛ |
| 1 psi | = 6.8947572932E-6 Kilonewton Per Square Millimeter (kN/mm2) | ⇛ |
| 1 psi | = 5.7648954365839 Kilonewton Per Square Yard (kN/yd2) | ⇛ |
| 1 psi | = 6.8947572932 Kilopascals (kPa) | ⇛ |
| 1 psi | = 0.14400000027565 Kip Force Per Square Foot (kip/ft2) | ⇛ |
| 1 psi | = 0.001 Kip Force Per Square Inch (kip/in2) | ⇛ |
| 1 psi | = 0.001 Ksi (ksi) | ⇛ |
| 1 psi | = 6.8947572932E-7 Meganewton Per Square Centimeter (MN/cm2) | ⇛ |
| 1 psi | = 0.00064054391359482 Meganewton Per Square Feet (MN/ft2) | ⇛ |
| 1 psi | = 4.4482305117419E-6 Meganewton Per Square Inch (MN/in2) | ⇛ |
| 1 psi | = 6894.7572932 Meganewton Per Square Kilometer (MN/km2) | ⇛ |
| 1 psi | = 0.0068947572932 Meganewton Per Square Meter (MN/m2) | ⇛ |
| 1 psi | = 0.0057648472351171 Meganewton Per Square Yard (MN/yd2) | ⇛ |
| 1 psi | = 0.0068947572932 Megapascals (MPa) | ⇛ |
| 1 psi | = 543.85964734095 Meter Of Air 0°C (m Air 0C) | ⇛ |
| 1 psi | = 573.8268401119 Meter Of Air 15°C (m Air 15C) | ⇛ |
| 1 psi | = 68947.572932 Microbars (µBar) | ⇛ |
| 1 psi | = 51714.920322466 Micrometer Of Mercury (µHg) | ⇛ |
| 1 psi | = 6894757293.2 Micropascals (µPa) | ⇛ |
| 1 psi | = 68.947572932 Millibars (mBar) | ⇛ |
| 1 psi | = 51.715075480416 Millimeter Of Mercury (mmHg) | ⇛ |
| 1 psi | = 703.08893732448 Millimeter Of Water (mmH2o) | ⇛ |
| 1 psi | = 6894757.2932 Millipascals (mPa) | ⇛ |
| 1 psi | = 51714.93195928 Millitorrs (mTorr) | ⇛ |
| 1 psi | = 6894757293200 Nanopascals (nPa) | ⇛ |
| 1 psi | = 0.68947572932 Newton Per Square Centimeter (N/cm2) | ⇛ |
| 1 psi | = 640.54453248358 Newton Per Square Foot (N/ft2) | ⇛ |
| 1 psi | = 4.4482305117419 Newton Per Square Inch (N/in2) | ⇛ |
| 1 psi | = 6894.7572932 Newton Per Square Meter (N/m2) | ⇛ |
| 1 psi | = 0.0068947572932 Newton Per Square Millimeter (N/mm2) | ⇛ |
| 1 psi | = 5764.8954365839 Newton Per Square Yard (N/yd2) | ⇛ |
| 1 psi | = 2303.6275620448 Ounce Per Square Foot (oz/ft2) | ⇛ |
| 1 psi | = 16.000000030632 Ounce Per Square Inch (oz/in2) | ⇛ |
| 1 psi | = 20736.000071224 Ounce Per Square Yard (oz/yd2) | ⇛ |
| 1 psi | = 6894.7572932 Pascals (Pa) | ⇛ |
| 1 psi | = 6.8947572932E-12 Petapascals (PPa) | ⇛ |
| 1 psi | = 6.8947572932E+15 Picopascals (pPa) | ⇛ |
| 1 psi | = 6.8947572932 Pieze (pz) | ⇛ |
| 1 psi | = 0.15500036628584 Pound Force Per Square Centimeter (lbf/cm2) | ⇛ |
| 1 psi | = 144.00000000167 Pound Force Per Square Foot (lbf/ft2) | ⇛ |
| 1 psi | = 1 Pound Force Per Square Inch (PSI lbf/in2) | ⇛ |
| 1 psi | = 1550.0036628584 Pound Force Per Square Meter (lbf/m2) | ⇛ |
| 1 psi | = 4014484848.7601 Pound Force Per Square Mile (lbf/mi2) | ⇛ |
| 1 psi | = 0.0015500803267086 Pound Force Per Square Millimeter (lbf/mm2) | ⇛ |
| 1 psi | = 1295.999701731 Pound Force Per Square Yard (lbf/yd2) | ⇛ |
| 1 psi | = 4633.0629920525 Poundal Per Square Foot (pdl/ft2) | ⇛ |
| 1 psi | = 32.173989683429 Poundal Per Square Inch (pdl/in2) | ⇛ |
| 1 psi | = 49869.858545441 Poundal Per Square Meter (pdl/m2) | ⇛ |
| 1 psi | = 41697.453270598 Poundal Per Square Yard (pdl/yd2) | ⇛ |
| 1 psi | = 1 Psi (psi) | ⇛ |
| 1 psi | = 1 Psi (pound per square inch) | ⇛ |
| 1 psi | = 0.07199999997076 Short Ton Per Square Foot (tonf/ft2) | ⇛ |
| 1 psi | = 6.8947572932E-9 Terapascals (TPa) | ⇛ |
| 1 psi | = 0.064285714283583 Ton Force Long Per Square Foot (long tonf/ft2) | ⇛ |
| 1 psi | = 0.00044642857142187 Ton Force Long Per Square Inch (long tonf/in2) | ⇛ |
| 1 psi | = 0.072000000000084 Ton Force Short Per Square Foot (short tonf/ft2) | ⇛ |
| 1 psi | = 0.0005000000000145 Ton Force Short Per Square Inch (short tonf/in2) | ⇛ |
| 1 psi | = 51.714932572153 Torrs (Torr) | ⇛ |