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Kilopascal (kPa)

Exactly 1000 pascals.

What is a kilopascal?

Symbol
kPa
Quantity
Pressure
Unit system
SI
Definition
Exactly 1000 pascals.
Exact
Yes, the value is exact by definition
Source
SI Brochure, 9th edition (BIPM, 2019)

Common applications

Used for tire pressure and building ventilation in metric countries, and on many pressure gauges.

Kilopascal in other pressure units

Kilopascal quick reference

Kilopascal in other units
KilopascalBarMillimeter of mercuryPound-force per square inch
1 kPa= 0.01 bar≈ 7.500615758 mmHg≈ 0.1450377377 psi
10 kPa= 0.1 bar≈ 75.00615758 mmHg≈ 1.450377377 psi
100 kPa= 1 bar≈ 750.0615758 mmHg≈ 14.50377377 psi
1000 kPa= 10 bar≈ 7500.615758 mmHg≈ 145.0377377 psi

Where the kilopascal fits

The next smaller pressure unit is the millimeter of mercury (mmHg). 1 kPa ≈ 7.500615758 mmHg, and 1 mmHg = 0.133322387415 kPa.

The next larger pressure unit is the psi (psi). 1 kPa ≈ 0.1450377377 psi, and 1 psi ≈ 6.894757293 kPa.

Frequently asked questions

How many bars are in one kilopascal?
One kilopascal = 0.01 bar (bars).
How many millimeters of mercury are in one kilopascal?
One kilopascal ≈ 7.500615758 mmHg (millimeters of mercury).
How many psi are in one kilopascal?
One kilopascal ≈ 0.1450377377 psi (psi).