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Common Converters

Pressure Converter

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Pressure Converter

Convert pressure values across Pa, kPa, bar, psi, and atm.

About this converter

Pressure conversion matters in automotive, industrial, HVAC, diving, and laboratory contexts. This converter makes it easy to move between SI, engineering, and customary units.

The base unit for this converter is pascal, which lets us map each unit into one consistent formula layer before converting to the target unit.

Quick examples

35 Pa to kPa0.035 kPa

35 Pa to bar0.00035 bar

35 kPa to Pa35,000 Pa

35 kPa to bar0.35 bar

35 bar to Pa3,500,000 Pa

35 bar to kPa3,500 kPa

35 psi to Pa241,316.505260893 Pa

35 psi to kPa241.316505260893 kPa

Available units

Pascal

The SI unit of pressure.

Pa to kPa Pa to bar Pa to psi

Also written as pascals.

Kilopascal

kPa

A practical metric unit for medium pressure values.

kPa to Pa kPa to bar kPa to psi

Also written as kilopascals.

Bar

bar

A metric pressure unit close to atmospheric pressure.

bar to Pa bar to kPa bar to psi

Also written as bars.

Pound per square inch

psi

A customary pressure unit used widely in the US.

psi to Pa psi to kPa psi to bar

Also written as pounds per square inch, lb/in2, lbf/in2.

Kip per square inch

ksi

A high-pressure customary unit equal to 1,000 psi.

ksi to Pa ksi to kPa ksi to bar

Also written as kips per square inch.

Standard atmosphere

atm

A reference pressure unit.

atm to Pa atm to kPa atm to bar

Also written as atmosphere, atmospheres, standard atmospheres.

Exapascal

EPa

Exapascal is a metric pressure unit based on decimal scaling of the pascal.

EPa to Pa EPa to kPa EPa to bar

Petapascal

PPa

Petapascal is a metric pressure unit based on decimal scaling of the pascal.

PPa to Pa PPa to kPa PPa to bar

Terapascal

TPa

Terapascal is a metric pressure unit based on decimal scaling of the pascal.

TPa to Pa TPa to kPa TPa to bar

Gigapascal

GPa

Gigapascal is a metric pressure unit based on decimal scaling of the pascal.

GPa to Pa GPa to kPa GPa to bar

Megapascal

MPa

Megapascal is a metric pressure unit based on decimal scaling of the pascal.

MPa to Pa MPa to kPa MPa to bar

Hectopascal

hPa

Hectopascal is a metric pressure unit based on decimal scaling of the pascal.

hPa to Pa hPa to kPa hPa to bar

Dekapascal

daPa

Dekapascal is a metric pressure unit based on decimal scaling of the pascal.

daPa to Pa daPa to kPa daPa to bar

Decipascal

dPa

Decipascal is a metric pressure unit based on decimal scaling of the pascal.

dPa to Pa dPa to kPa dPa to bar

Centipascal

cPa

Centipascal is a metric pressure unit based on decimal scaling of the pascal.

cPa to Pa cPa to kPa cPa to bar

Millipascal

mPa

Millipascal is a metric pressure unit based on decimal scaling of the pascal.

mPa to Pa mPa to kPa mPa to bar

Micropascal

uPa

Micropascal is a metric pressure unit based on decimal scaling of the pascal.

uPa to Pa uPa to kPa uPa to bar

Nanopascal

nPa

Nanopascal is a metric pressure unit based on decimal scaling of the pascal.

nPa to Pa nPa to kPa nPa to bar

Picopascal

pPa

Picopascal is a metric pressure unit based on decimal scaling of the pascal.

pPa to Pa pPa to kPa pPa to bar

Femtopascal

fPa

Femtopascal is a metric pressure unit based on decimal scaling of the pascal.

fPa to Pa fPa to kPa fPa to bar

Attopascal

aPa

Attopascal is a metric pressure unit based on decimal scaling of the pascal.

aPa to Pa aPa to kPa aPa to bar

Newton per square meter

N/m2

Newton per square meter expresses pressure as force applied over area.

N/m2 to Pa N/m2 to kPa N/m2 to bar

Newton per square centimeter

N/cm2

Newton per square centimeter expresses pressure as force applied over area.

N/cm2 to Pa N/cm2 to kPa N/cm2 to bar

Newton per square millimeter

N/mm2

Newton per square millimeter expresses pressure as force applied over area.

N/mm2 to Pa N/mm2 to kPa N/mm2 to bar

Kilonewton per square meter

kN/m2

Kilonewton per square meter expresses pressure as force applied over area.

kN/m2 to Pa kN/m2 to kPa kN/m2 to bar

Millibar

mbar

Millibar is a bar-family pressure unit used for practical engineering pressure values.

mbar to Pa mbar to kPa mbar to bar

Microbar

ubar

Microbar is a bar-family pressure unit used for practical engineering pressure values.

ubar to Pa ubar to kPa ubar to bar

Dyne per square centimeter

dyn/cm2

Dyne per square centimeter expresses pressure as force applied over area.

dyn/cm2 to Pa dyn/cm2 to kPa dyn/cm2 to bar

Kilogram-force per square meter

kgf/m2

Kilogram-force per square meter expresses pressure as force applied over area.

kgf/m2 to Pa kgf/m2 to kPa kgf/m2 to bar

Kilogram-force per square centimeter

kgf/cm2

Kilogram-force per square centimeter expresses pressure as force applied over area.

kgf/cm2 to Pa kgf/cm2 to kPa kgf/cm2 to bar

Kilogram-force per square millimeter

kgf/mm2

Kilogram-force per square millimeter expresses pressure as force applied over area.

kgf/mm2 to Pa kgf/mm2 to kPa kgf/mm2 to bar

Gram-force per square centimeter

gf/cm2

Gram-force per square centimeter expresses pressure as force applied over area.

gf/cm2 to Pa gf/cm2 to kPa gf/cm2 to bar

Ton-force (short) per square foot

short tonf/ft2

Ton-force (short) per square foot expresses pressure as force applied over area.

short tonf/ft2 to Pa short tonf/ft2 to kPa short tonf/ft2 to bar

Ton-force (short) per square inch

short tonf/in2

Ton-force (short) per square inch expresses pressure as force applied over area.

short tonf/in2 to Pa short tonf/in2 to kPa short tonf/in2 to bar

Ton-force (long) per square foot

long tonf/ft2

Ton-force (long) per square foot expresses pressure as force applied over area.

long tonf/ft2 to Pa long tonf/ft2 to kPa long tonf/ft2 to bar

Ton-force (long) per square inch

long tonf/in2

Ton-force (long) per square inch expresses pressure as force applied over area.

long tonf/in2 to Pa long tonf/in2 to kPa long tonf/in2 to bar

Kip-force per square inch

kipf/in2

Kip-force per square inch expresses pressure as force applied over area.

kipf/in2 to Pa kipf/in2 to kPa kipf/in2 to bar

Pound-force per square foot

lbf/ft2

Pound-force per square foot expresses pressure as force applied over area.

lbf/ft2 to Pa lbf/ft2 to kPa lbf/ft2 to bar

Pound-force per square inch

lbf/in2

Pound-force per square inch expresses pressure as force applied over area.

lbf/in2 to Pa lbf/in2 to kPa lbf/in2 to bar

Poundal per square foot

pdl/ft2

Poundal per square foot expresses pressure as force applied over area.

pdl/ft2 to Pa pdl/ft2 to kPa pdl/ft2 to bar

Torr

Torr is a column-pressure unit based on liquid height under defined conditions.

Torr to Pa Torr to kPa Torr to bar

Centimeter mercury (0 C)

cmHg

Centimeter mercury (0 C) is a column-pressure unit based on liquid height under defined conditions.

cmHg to Pa cmHg to kPa cmHg to bar

Millimeter mercury (0 C)

mmHg

Millimeter mercury (0 C) is a column-pressure unit based on liquid height under defined conditions.

mmHg to Pa mmHg to kPa mmHg to bar

Inch mercury (32 F)

inHg

Inch mercury (32 F) is a column-pressure unit based on liquid height under defined conditions.

inHg to Pa inHg to kPa inHg to bar

Inch mercury (60 F)

inHg

Inch mercury (60 F) is a column-pressure unit based on liquid height under defined conditions.

inHg to Pa inHg to kPa inHg to bar

Centimeter water (4 C)

cmAq

Centimeter water (4 C) is a column-pressure unit based on liquid height under defined conditions.

cmAq to Pa cmAq to kPa cmAq to bar

Millimeter water (4 C)

mmAq

Millimeter water (4 C) is a column-pressure unit based on liquid height under defined conditions.

mmAq to Pa mmAq to kPa mmAq to bar

Inch water (4 C)

inAq

Inch water (4 C) is a column-pressure unit based on liquid height under defined conditions.

inAq to Pa inAq to kPa inAq to bar

Foot water (4 C)

ftAq

Foot water (4 C) is a column-pressure unit based on liquid height under defined conditions.

ftAq to Pa ftAq to kPa ftAq to bar

Inch water (60 F)

inAq

Inch water (60 F) is a column-pressure unit based on liquid height under defined conditions.

inAq to Pa inAq to kPa inAq to bar

Foot water (60 F)

ftAq

Foot water (60 F) is a column-pressure unit based on liquid height under defined conditions.

ftAq to Pa ftAq to kPa ftAq to bar

Atmosphere technical

Atmosphere technical is a specialist pressure unit for technical conversion scenarios.

at to Pa at to kPa at to bar

Main pair pages

More routes in this section

Pascal to Kilopascal Pascal to Bar Pascal to Pound per square inch Pascal to Kip per square inch Kilopascal to Pascal Kilopascal to Bar Kilopascal to Pound per square inch Kilopascal to Kip per square inch Bar to Pascal Bar to Kilopascal Bar to Pound per square inch Bar to Kip per square inch

Common Converters