How do I convert kPa to psi?

Use the formula shown above or enter a value to see kPa converted to psi instantly.

What is the formula for kPa to psi?

The converter calculates psi by applying the category-specific conversion factor for Pressure.

When should I use kPa vs psi?

kPa and psi are both part of the Pressure category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Pressure Conversion Cheat Sheet

Convert kPa to psi

Use the live converter below to translate between Kilopascal (kPa) and Pound per square inch (psi). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

kPa → psi

Kilopascal

kPa

Pound per square inch

0.145

psi

Rounded result (4 decimals max)

Formula

1 kPa = 0.145 psi

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

Results update as you type. Swap the direction to convert back from psi to kPa.

Back to main converter

kPa to psi quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Kilopascal (kPa)	Pound per square inch (psi)
0.25 kPa	0.0363 psi
0.5 kPa	0.0725 psi
1 kPa	0.145 psi
2 kPa	0.2901 psi
5 kPa	0.7252 psi
10 kPa	1.4504 psi
25 kPa	3.6259 psi
100 kPa	14.5038 psi

psi back to kPa

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Pound per square inch (psi)	Kilopascal (kPa)
0.25 psi	1.7237 kPa
0.5 psi	3.4474 kPa
1 psi	6.8948 kPa
2 psi	13.7895 kPa
5 psi	34.4738 kPa
10 psi	68.9476 kPa
25 psi	172.3689 kPa
100 psi	689.4757 kPa

Explore more pressure conversion cheat sheet

kPa → Pa

Convert into Pascal without leaving SwapUnits.

kPa → bar

Convert into Bar without leaving SwapUnits.

kPa → atm

Convert into Atmosphere without leaving SwapUnits.

Compare all pressure conversion cheat sheet

View the full unit roster, charts, and tips for Pressure Conversion Cheat Sheet conversions.

Open category guide