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Pressure Converter · Free, instant results with formula and a full conversion table
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To convert Kilopascal to PSI: multiply by 0.145038. 1 kPa × 0.145038 = 0.145038 psi
| Kilopascal (kPa) | PSI (psi) |
|---|---|
| 0.1 kPa | 0.0145038 psi |
| 0.25 kPa | 0.0362594 psi |
| 0.5 kPa | 0.0725189 psi |
| 1 kPa | 0.145038 psi |
| 2 kPa | 0.290075 psi |
| 5 kPa | 0.725189 psi |
| 10 kPa | 1.45038 psi |
| 20 kPa | 2.90075 psi |
| 25 kPa | 3.62594 psi |
| 50 kPa | 7.25189 psi |
| 100 kPa | 14.5038 psi |
| 250 kPa | 36.2594 psi |
| 500 kPa | 72.5189 psi |
| 1,000 kPa | 145.038 psi |
Use our free kilopascal to psi converter to get accurate results in under one second. This pressure conversion tool is essential for anyone working in science, education, and industry. Simply enter your value above, click Convert, and see the result instantly with the exact formula shown. You can also reverse the conversion, copy the result, or adjust decimal precision.
The conversion formula is a single constant factor: 1 Kilopascal equals 0.145038 PSI. Multiply any kilopascal value by 0.145038 to obtain the equivalent in psi. All calculations on ConvertNow use verified constants, and the table below is computed with the same factor.
Quick estimate: divide kilopascal by 6.9 instead of multiplying by 0.145038 — within about 0.1% of the exact result.
Each example below is worked with the exact formula, step by step — so you can check the math or adapt it to your own numbers.
| Value | Working | Result |
|---|---|---|
| 0.01 kPa | 0.01 kPa × 0.145038 = | 0.001 psi |
| 1 kPa | 1 kPa × 0.145038 = | 0.145 psi |
| 100 kPa | 100 kPa × 0.145038 = | 14.504 psi |
| 10000 kPa | 10000 kPa × 0.145038 = | 1,450 psi |
Kilopascal (kPa) is part of the SI (metric) measurement system, while PSI (psi) belongs to the US Customary system. The difference matters because a recipe, blueprint, or technical spec written in one system will not match measurements in the other unless converted precisely. Mixing systems without conversion can lead to producing an incorrect result that affects your project.
Pressure conversions are used every day in science, education, and industry. Professionals in these fields rely on fast, accurate tools because even small rounding errors multiply across large datasets or recipes. ConvertNow keeps your workflow moving with instant results, so you never have to open a spreadsheet or do manual math.
Common mistakes when converting kilopascal to psi include mixing gauge pressure with absolute pressure, and confusing PSI with bar when inflating tyres or setting equipment, and rounding too early in the calculation. Always verify the direction of the conversion and use the swap button if you need to reverse it.
The following table shows 20 common conversion values from kilopascal to psi for fast reference without calculator use.
| Kilopascal (kPa) | PSI (psi) |
|---|---|
| 0.1 | 0.015 |
| 0.25 | 0.036 |
| 0.5 | 0.073 |
| 0.75 | 0.109 |
| 1 | 0.145 |
| 2 | 0.29 |
| 3 | 0.435 |
| 5 | 0.725 |
| 10 | 1.45 |
| 15 | 2.176 |
| 20 | 2.901 |
| 25 | 3.626 |
| 50 | 7.252 |
| 75 | 10.878 |
| 100 | 14.504 |
| 150 | 21.756 |
| 200 | 29.008 |
| 250 | 36.259 |
| 300 | 43.511 |
| 500 | 72.519 |
There are 0.145038 psi in 1 kilopascal.
Multiply your kilopascal value by 0.145038. For quick mental math, you can round the factor to 0.1 when precision is not critical.
The Kilopascal is the smaller unit of the two: 1 Kilopascal equals 0.145038 PSI.
Kilopascal is primarily used in Canada and most countries worldwide — tire pressure, weather and engineering. PSI is primarily used in the United States.
Yes. Install ConvertNow as a Progressive Web App and perform this conversion offline. If you need currency rates, an internet connection is required because those update live.
Accurate conversion prevents costly errors in science, education, and industry. Using the wrong unit can lead to producing an incorrect result that affects your project.
Need the opposite direction? Use the PSI to Kilopascal Converter to convert psi back to kilopascal.
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