How to convert atmospheres to kilopascals
To convert atmospheres to kilopascals, multiply by 101.325. Pressure conversions are used for tire inflation, weather, scuba diving, hydraulics and medical devices.
Atmosphere to Kilopascal conversion table
| Atmosphere (atm) | Kilopascal (kPa) |
|---|---|
| 0.1 atm | 10.1325 kPa |
| 0.5 atm | 50.6625 kPa |
| 1 atm | 101.325 kPa |
| 2 atm | 202.65 kPa |
| 3 atm | 303.975 kPa |
| 4 atm | 405.3 kPa |
| 5 atm | 506.625 kPa |
| 10 atm | 1,013.25 kPa |
| 20 atm | 2,026.5 kPa |
| 25 atm | 2,533.125 kPa |
| 50 atm | 5,066.25 kPa |
| 100 atm | 10,132.5 kPa |
| 500 atm | 50,662.5 kPa |
| 1,000 atm | 101,325 kPa |
About the units
Atmosphere (atm)
A standard atmosphere is defined as exactly 101,325 pascals.
Kilopascal (kPa)
A kilopascal equals 1,000 pascals and is used for tire pressure outside the US.
How to use this converter
- Type the number of atmospheres (atm) in the input box.
- The result in kilopascals appears instantly — no button needed.
- See the same value in every other pressure unit just below.
- Use “Swap units” to convert kilopascals back to atmospheres.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many kilopascals are in one atmosphere?
One atmosphere equals 101.325 kilopascals. 101.325 is the exact factor used by this converter.
How do I convert atmospheres to kilopascals?
Multiply the value in atmospheres by 101.325. To go the other way, multiply kilopascals by 0.00986923266716.
What is 10 atm in kPa?
10 atm = 1,013.25 kPa. Also, 5 atm = 506.625 kPa and 100 atm = 10,132.5 kPa.
What is the difference between a atmosphere and a kilopascal?
A standard atmosphere is defined as exactly 101,325 pascals. A kilopascal equals 1,000 pascals and is used for tire pressure outside the US.
Is this tool free and private?
Yes — the Atmosphere to Kilopascal is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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