Pressure
atm to kPa Converter
1 atm = 101.33 kPa. Enter any value and the result updates instantly.
Convert
Accuracy and rounding
For science, weather, and pressure-reference calculations.
Pressure factors are fixed, but real-world readings may be gauge pressure or absolute pressure depending on the instrument.
For tires and pumps, match the gauge precision. For engineering specs, keep enough decimals to avoid tolerance drift.
How to convert atm to kPa
- Type the atm value in the calculator.
- Keep atm selected as the from unit and kPa selected as the to unit.
- Use the instant result, or copy it with the copy button.
atm to kPa chart
| atm | kPa |
|---|---|
| 1 atm | 101.33 kPa |
| 2 atm | 202.65 kPa |
| 5 atm | 506.63 kPa |
| 10 atm | 1,013.25 kPa |
| 25 atm | 2,533.13 kPa |
| 50 atm | 5,066.25 kPa |
| 100 atm | 10,132.5 kPa |
Formula
kPa = atm x 101.325
Example: 1 atm = 101.33 kPa.
Source
Pressure units derived from pascal relationships and fixed conventional factors.
Common questions
How do I convert atm to kPa?
Enter the atm value in the converter, or multiply by the factor shown in the formula. 1 atm = 101.33 kPa.
What should I watch out for?
Check whether the original value is gauge pressure or absolute pressure before comparing readings.
Where does this pressure conversion come from?
Pressure units derived from pascal relationships and fixed conventional factors. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.