Kilopascals to Atmospheres
Convert kilopascals to atmospheres instantly. 1 kPa = 0.0098692327 atm. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert kilopascals to atmospheres
To convert kilopascals to atmospheres, divide by 101.325 (multiply by 0.0098692327). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
atm = kPa × 0.0098692327
Kilopascals to Atmospheres conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Kilopascals | Atmospheres |
|---|---|
| 1 kPa | 0.009869 atm |
| 2 kPa | 0.019738 atm |
| 3 kPa | 0.029608 atm |
| 5 kPa | 0.049346 atm |
| 10 kPa | 0.098692 atm |
| 20 kPa | 0.197385 atm |
| 25 kPa | 0.246731 atm |
| 50 kPa | 0.493462 atm |
| 100 kPa | 0.986923 atm |
| 500 kPa | 4.934616 atm |
| 1,000 kPa | 9.869233 atm |
What is a kilopascal?
A thousand pascals. The metric working unit for tyre and system pressures.
What is a atmosphere?
The standard atmosphere, defined as exactly 101,325 Pa.
The formula
atm = kPa × 0.0098692327
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Kilopascals to Atmospheres
- Type the number of kilopascals you want to convert.
- Read the result in atmospheres straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked atmospheres to kilopascals page.
Kilopascals to Atmospheres — frequently asked questions
How many atmospheres are in a kilopascal?
One kilopascal equals 0.0098692327 atm. atm = kPa × 0.0098692327
What is the formula to convert kilopascals to atmospheres?
The formula is atm = kPa × 0.0098692327. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert atmospheres back to kilopascals?
Divide instead of multiplying: one atmosphere is 101.325 kPa. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this kilopascals to atmospheres free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error