🌪️ Pressure

Engineering pressure units including PSI, Bar, and Atmospheres.

About Pressure tools

Pressure conversions often involve different reference types (absolute vs gauge) and many small units (Pa, kPa, bar, psi, torr). This category helps you convert precisely and verify results with formulas and tables.

Use it for engineering checks, HVAC specs, and scientific calculations where unit consistency matters.

Engineering checks
Convert between Pa, kPa, bar, psi, and more with high precision.
Spec compatibility
Normalize specs and datasheets so numbers remain comparable.
Verification tables
Use reference rows for fast sanity checks and fewer rounding errors.

Featured tools

bar → psiatmosphere → barpascal → kilopascalpsi → bartorr → pascal

Top conversions people use

People often convert bar → psi, pascal → kilopascal, atmosphere → bar.

bar → psipascal → kilopascalatmosphere → bartorr → pascalpsi → barpascal → megapascalpascal → barpascal → millibarpascal → psipascal → psf

FAQ

What is Pressure used for?
Pressure tools help you convert and verify values when unit systems differ. They are commonly used in engineering calculations, academic work, product specs, and data normalization.
Why can results differ between websites?
Different standards, rounding rules, and unit definitions can change results. Use the formula and reference tables on each tool page to confirm what definition is being applied.
Are the results accurate?
Yes. Calculations run locally in your browser using verified ratios and display up to 8 decimals. For professional work, keep unit symbols and round at the end.

Available Tools

All Pressure Tools

Pascal
Symbol: Pa
Kilopascal
Symbol: kPa
Megapascal
Symbol: MPa
Bar
Symbol: bar
Millibar
Symbol: mbar
PSI
Symbol: psi
Pounds per square foot
Symbol: psf
Atmosphere
Symbol: atm
Torr
Symbol: Torr
Millimeter of mercury
Symbol: mmHg
Inch of mercury
Symbol: inHg
KSI
Symbol: ksi
Exapascal
Symbol: EPa
Petapascal
Symbol: PPa
Terapascal
Symbol: TPa
Gigapascal
Symbol: GPa
Hectopascal
Symbol: hPa
Dekapascal
Symbol: daPa
Decipascal
Symbol: dPa
Centipascal
Symbol: cPa
Millipascal
Symbol: mPa
Micropascal
Symbol: µPa
Nanopascal
Symbol: nPa
Picopascal
Symbol: pPa
Femtopascal
Symbol: fPa
Attopascal
Symbol: aPa
Newton per square meter
Symbol: N/m²
Newton per square centimeter
Symbol: N/cm²
Newton per square millimeter
Symbol: N/mm²
Kilonewton per square meter
Symbol: kN/m²
View All Pressure Tools

Pascal to Kilopascal

Professional Pa to kPa conversion.

Kilopascal to Pascal

Professional kPa to Pa conversion.

Pascal to Megapascal

Professional Pa to MPa conversion.

Megapascal to Pascal

Professional MPa to Pa conversion.

Pascal to Bar

Professional Pa to bar conversion.

Bar to Pascal

Professional bar to Pa conversion.

Pascal to Millibar

Professional Pa to mbar conversion.

Millibar to Pascal

Professional mbar to Pa conversion.

Pascal to PSI

Professional Pa to psi conversion.

PSI to Pascal

Professional psi to Pa conversion.

Pascal to Pounds per square foot

Professional Pa to psf conversion.

Pounds per square foot to Pascal

Professional psf to Pa conversion.

Pascal to Atmosphere

Professional Pa to atm conversion.

Atmosphere to Pascal

Professional atm to Pa conversion.

Pascal to Torr

Professional Pa to Torr conversion.

Torr to Pascal

Professional Torr to Pa conversion.

Pascal to Millimeter of mercury

Professional Pa to mmHg conversion.

Millimeter of mercury to Pascal

Professional mmHg to Pa conversion.

Pascal to Inch of mercury

Professional Pa to inHg conversion.

Inch of mercury to Pascal

Professional inHg to Pa conversion.

Pascal to KSI

Professional Pa to ksi conversion.

KSI to Pascal

Professional ksi to Pa conversion.

Pascal to Exapascal

Professional Pa to EPa conversion.

Exapascal to Pascal

Professional EPa to Pa conversion.

Pascal to Petapascal

Professional Pa to PPa conversion.

Petapascal to Pascal

Professional PPa to Pa conversion.

Pascal to Terapascal

Professional Pa to TPa conversion.

Terapascal to Pascal

Professional TPa to Pa conversion.

Pascal to Gigapascal

Professional Pa to GPa conversion.

Gigapascal to Pascal

Professional GPa to Pa conversion.

Pascal to Hectopascal

Professional Pa to hPa conversion.

Hectopascal to Pascal

Professional hPa to Pa conversion.

Pascal to Dekapascal

Professional Pa to daPa conversion.

Dekapascal to Pascal

Professional daPa to Pa conversion.

Pascal to Decipascal

Professional Pa to dPa conversion.

Decipascal to Pascal

Professional dPa to Pa conversion.

Pascal to Centipascal

Professional Pa to cPa conversion.

Centipascal to Pascal

Professional cPa to Pa conversion.

Pascal to Millipascal

Professional Pa to mPa conversion.

Millipascal to Pascal

Professional mPa to Pa conversion.

Pascal to Micropascal

Professional Pa to µPa conversion.

Micropascal to Pascal

Professional µPa to Pa conversion.

Pascal to Nanopascal

Professional Pa to nPa conversion.

Nanopascal to Pascal

Professional nPa to Pa conversion.

Pascal to Picopascal

Professional Pa to pPa conversion.

Picopascal to Pascal

Professional pPa to Pa conversion.

Pascal to Femtopascal

Professional Pa to fPa conversion.

Femtopascal to Pascal

Professional fPa to Pa conversion.

Pascal to Attopascal

Professional Pa to aPa conversion.

Attopascal to Pascal

Professional aPa to Pa conversion.

Pascal to Newton per square meter

Professional Pa to N/m² conversion.

Newton per square meter to Pascal

Professional N/m² to Pa conversion.

Pascal to Newton per square centimeter

Professional Pa to N/cm² conversion.

Newton per square centimeter to Pascal

Professional N/cm² to Pa conversion.

Pascal to Newton per square millimeter

Professional Pa to N/mm² conversion.

Newton per square millimeter to Pascal

Professional N/mm² to Pa conversion.

Pascal to Kilonewton per square meter

Professional Pa to kN/m² conversion.

Kilonewton per square meter to Pascal

Professional kN/m² to Pa conversion.

Pascal to Microbar

Professional Pa to µbar conversion.

Microbar to Pascal

Professional µbar to Pa conversion.

Pascal to Dyne per square centimeter

Professional Pa to dyn/cm² conversion.

Dyne per square centimeter to Pascal

Professional dyn/cm² to Pa conversion.

Pascal to Kilogram-force per square meter

Professional Pa to kgf/m² conversion.

Kilogram-force per square meter to Pascal

Professional kgf/m² to Pa conversion.

Pascal to Kilogram-force per square centimeter

Professional Pa to kgf/cm² conversion.

Kilogram-force per square centimeter to Pascal

Professional kgf/cm² to Pa conversion.

Pascal to Kilogram-force per square millimeter

Professional Pa to kgf/mm² conversion.

Kilogram-force per square millimeter to Pascal

Professional kgf/mm² to Pa conversion.

Pascal to Gram-force per square centimeter

Professional Pa to gf/cm² conversion.

Gram-force per square centimeter to Pascal

Professional gf/cm² to Pa conversion.

Pascal to Ton-force (short) per square foot

Professional Pa to tonf/ft² conversion.

Ton-force (short) per square foot to Pascal

Professional tonf/ft² to Pa conversion.

Pascal to Ton-force (short) per square inch

Professional Pa to tonf/in² conversion.

Ton-force (short) per square inch to Pascal

Professional tonf/in² to Pa conversion.

Pascal to Ton-force (long) per square foot

Professional Pa to long tonf/ft² conversion.

Ton-force (long) per square foot to Pascal

Professional long tonf/ft² to Pa conversion.

Pascal to Ton-force (long) per square inch

Professional Pa to long tonf/in² conversion.

Ton-force (long) per square inch to Pascal

Professional long tonf/in² to Pa conversion.

Pascal to Kip-force per square inch

Professional Pa to kipf/in² conversion.

Kip-force per square inch to Pascal

Professional kipf/in² to Pa conversion.

Pascal to Pound-force per square foot

Professional Pa to lbf/ft² conversion.

Pound-force per square foot to Pascal

Professional lbf/ft² to Pa conversion.

Pascal to Pound-force per square inch

Professional Pa to lbf/in² conversion.

Pound-force per square inch to Pascal

Professional lbf/in² to Pa conversion.

Pascal to Poundal per square foot

Professional Pa to pdl/ft² conversion.

Poundal per square foot to Pascal

Professional pdl/ft² to Pa conversion.

Pascal to Centimeter of mercury (0°C)

Professional Pa to cmHg conversion.

Centimeter of mercury (0°C) to Pascal

Professional cmHg to Pa conversion.

Pascal to Millimeter of mercury (0°C)

Professional Pa to mmHg (0°C) conversion.

Millimeter of mercury (0°C) to Pascal

Professional mmHg (0°C) to Pa conversion.

Pascal to Inch of mercury (60°F)

Professional Pa to inHg (60°F) conversion.

Inch of mercury (60°F) to Pascal

Professional inHg (60°F) to Pa conversion.

Pascal to Centimeter of water (4°C)

Professional Pa to cmH₂O conversion.

Centimeter of water (4°C) to Pascal

Professional cmH₂O to Pa conversion.

Pascal to Millimeter of water (4°C)

Professional Pa to mmH₂O conversion.

Millimeter of water (4°C) to Pascal

Professional mmH₂O to Pa conversion.

Pascal to Inch of water (4°C)

Professional Pa to inAq (4°C) conversion.

Inch of water (4°C) to Pascal

Professional inAq (4°C) to Pa conversion.

Pascal to Foot of water (4°C)

Professional Pa to ftAq (4°C) conversion.

Foot of water (4°C) to Pascal

Professional ftAq (4°C) to Pa conversion.

Pascal to Inch of water (60°F)

Professional Pa to inAq (60°F) conversion.

Inch of water (60°F) to Pascal

Professional inAq (60°F) to Pa conversion.

Pascal to Foot of water (60°F)

Professional Pa to ftAq (60°F) conversion.

Foot of water (60°F) to Pascal

Professional ftAq (60°F) to Pa conversion.

Pascal to Technical atmosphere

Professional Pa to at conversion.

Technical atmosphere to Pascal

Professional at to Pa conversion.