Kilopascals (kPa)

The kilopascal is 1,000 pascals, about 0.145 psi.

Convert kilopascals to any pressure unit

1 kilopascal = 0.1450377377 pounds per square inch

Quick facts

Unit
Kilopascal (plural: kilopascals)
Symbol
kPa
Measures
Pressure / Stress
System
Metric (SI)
Equals
1,000 pascals
Definition
1,000 pascals.
Also written
kN/m²

1 kilopascal in other units

Pounds per square inch0.1450377377 psi
Bars0.01 bar
Pascals1,000 Pa
Standard atmospheres0.009869232667 atm
Millimeters of mercury7.500615758 mmHg
Hectopascals10 hPa
Megapascals0.001 MPa
Inches of mercury0.295299833 inHg

What is a kilopascal?

The kilopascal is 1,000 pascals, about 0.145 psi. It is the standard unit for tire pressures in Canada and Australia, for medical gases, and for engineering in metric countries. Atmospheric pressure is about 101.3 kPa.

Where the kilopascal sits among pressure units

The kilopascal is number 18 of 44 on our scale of pressure units, ordered from smallest to largest.

What kilopascals are used for

  • Tire pressure outside the US (e.g. 220 kPa)
  • Blood pressure in some countries
  • Soil and foundation bearing capacity
  • Weather and altitude

Kilopascals in real life

  • A car tire is typically 200–250 kPa (gauge)
  • Sea-level air pressure is 101.3 kPa

Top kilopascal conversions

Common amounts of kilopascals

Convert kilopascals to all 45 other units

Metric (SI)

Atmospheres & mercury

Water column

US & imperial

Gravitational metric & CGS

Scientific

Convert to kilopascals

Frequently asked questions

What is a kilopascal?

The kilopascal is 1,000 pascals, about 0.145 psi.

How is the kilopascal defined?

1,000 pascals.

How many pounds per square inch are in a kilopascal?

One kilopascal equals 0.1450377377 pounds per square inch.

How many bars are in a kilopascal?

One kilopascal equals 0.01 bars.

How many pascals are in a kilopascal?

One kilopascal equals 1,000 pascals.