Converter
Formula & Units
\( \text{atm} = \dfrac{\text{kPa}}{101.325} \)
- kPa: kilopascal, SI unit for pressure.
- atm: standard atmosphere, reference pressure.
- Factor: 1 atm = 101.325 kPa (exact).
History (this session)
Frequently Asked Questions
What is the exact conversion between kPa and atm?
1 atmosphere equals exactly 101.325 kilopascals. To convert kPa to atm, divide by 101.325.
Why do I see different rounding in the result?
You control the number of decimal places. Increase decimals for more precision or switch to scientific notation to see very small differences.
Is the conversion accurate enough for engineering use?
Yes. The factor 101.325 is exact by convention. Accuracy then depends only on your input and chosen rounding.
Does the tool support scientific notation?
Yes. Use the Notation selector to switch between fixed and scientific formats.
Can I share a pre-filled calculation?
Click “Share URL” to copy a link that preserves the current input, decimals, and notation.
Will it work without JavaScript?
Yes. The form submits to the server for a fallback calculation and returns a formatted result.
How do I reset everything?
Use the Reset button to clear inputs, output, and in-page history.