PSI to kPa Converter
Convert pound per square inch to kilopascal instantly. 1 psi = 6.894757293 kPa, worked steps and a full reference table.
How to use it
- Type the value in pound per square inch — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 psi | 6.894757293 kPa |
| 5 psi | 34.47378647 kPa |
| 10 psi | 68.94757293 kPa |
| 100 psi | 689.4757293 kPa |
One pound per square inch equals 6.8947573 kilopascals (kPa). To convert pound per square inches to kilopascals, multiply by 6.8947573; to go back the other way, multiply by 0.14503774 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What pound per square inches and kilopascals actually measure
Pound per square inch (psi) — Pounds per square inch. Tyre pressures, air compressors and plumbing in the US.
Kilopascal (kPa) — A kilopascal is a thousand pascals. Tyre pressures and weather reporting in metric countries.
PSI to kPa conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| psi | kPa |
|---|---|
| 1 psi | 6.8947573 kPa |
| 2 psi | 13.789515 kPa |
| 5 psi | 34.473786 kPa |
| 10 psi | 68.947573 kPa |
| 25 psi | 172.36893 kPa |
| 50 psi | 344.73786 kPa |
| 100 psi | 689.47573 kPa |
How to convert pound per square inches to kilopascals by hand
Multiply the number of pound per square inches by 6.8947573.
For example, 25 psi × 6.8947573 = 172.36893 kPa.
Going the other way, divide by 6.8947573 — or multiply by 0.14503774, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many kPa are in 1 psi?
1 psi equals exactly 6.894757293 kPa. Multiply any value in pound per square inch by 6.894757293 to get kilopascal.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026