How do I convert psi to kilopascals?

To convert psi to kilopascals, enter your value above. Our converter supports all common pressure units including PSI, bar, pascals, and atmospheres.

How accurate are these pressure conversions?

Our conversions are accurate to at least 6 decimal places using precise conversion factors. This level of accuracy is suitable for scientific, industrial, and engineering applications.

PSI to Kilopascal Converter

Convert PSI to Kilopascals instantly

From

psi

Result

0kPa

Kilopascal

Conversion Formula

Kilopascal = PSI × 6.89476

Where:

psi = PSI
kPa = Kilopascal

What is a PSI?

The psi (psi) is a unit of pressure in the imperial system of measurement.

What is a Kilopascal?

The kilopascal (kPa) is a unit of pressure in the metric system of measurement.

How to Convert PSI to Kilopascal

Convert psi to kilopascals instantly

Quick Reference:

1 psi = 6.894760 kPa
1 kPa = 0.145038 psi

Common PSI to Kilopascal Conversions

1 psi
= 6.89 kPa

5 psi
= 34.47 kPa

10 psi
= 68.95 kPa

25 psi
= 172.37 kPa

50 psi
= 344.74 kPa

100 psi
= 689.48 kPa

Conversion Reference Table

PSI (psi)	Kilopascal (kPa)
1	6.8948
2	13.7895
3	20.6843
4	27.579
5	34.4738
10	68.9476
15	103.4214
20	137.8952
25	172.369
50	344.738
75	517.107
100	689.476
250	1,723.69
500	3,447.38
1,000	6,894.76

Quick reference table showing common psi to kilopascals conversions.

Real-World Pressure Conversions

🚗

Tire Pressure

Car tires are typically inflated to 30-35 PSI (2.0-2.4 bar). Proper tire pressure improves fuel efficiency and safety. Converting between PSI, bar, and kPa for international vehicles.

🌤️

Weather and Meteorology

Barometric pressure is measured in millibars (mb) or hectopascals (hPa). Standard pressure is 1013.25 mb. High pressure (>1020 mb) brings clear weather, low pressure (<1000 mb) brings storms.

🤿

Scuba Diving

Underwater pressure increases by 1 atmosphere (14.7 PSI) every 33 feet of depth. Dive computers and tanks use bar or PSI. Understanding pressure is critical for diver safety.

❄️

HVAC and Refrigeration

Air conditioning systems use PSI or bar for refrigerant pressure. Proper pressure ensures efficient cooling. Low pressure indicates leaks, high pressure suggests system problems.

🏥

Medical Applications

Blood pressure is measured in mmHg (millimeters of mercury). Normal blood pressure is around 120/80 mmHg. Medical gas cylinders also use PSI or bar.

🏭

Industrial Processes

Manufacturing uses various pressure units for hydraulics (PSI), pneumatics (bar), and vacuum systems (torr or Pa). Accurate pressure control ensures product quality.

Pressure Conversion FAQs

Common Conversion Mistakes

⚠Confusing the direction of conversion — always check whether you are converting from PSI to Kilopascal or vice versa.
⚠Rounding too early in multi-step calculations. Keep full precision until the final result.
⚠Using outdated or approximate conversion factors. Our converter uses values traceable to international measurement standards.

Sources & Standards

Conversion factors on this page are based on definitions from the International Bureau of Weights and Measures (BIPM) and the National Institute of Standards and Technology (NIST). All factors are accurate to at least 6 decimal places.

Last updated: November 27, 2025