Atmospheres to Kilopascals Converter
Convert atmospheres to kilopascals for scientific calculations, weather systems, and engineering specifications. The kilopascal is the SI-preferred pressure unit at everyday scales, while the atmosphere is a common reference in chemistry and physics.
Formula
Multiply atmospheres by 101.325 to get kilopascals. To reverse, divide kilopascals by 101.325 to get atmospheres.
Quick reference
| Atmosphere (atm) | Kilopascal (kPa) |
|---|---|
| 0.5 | 50.6625 |
| 1 | 101.325 |
| 1.5 | 151.9875 |
| 2 | 202.65 |
| 3 | 303.975 |
| 5 | 506.625 |
| 10 | 1,013.25 |
| 20 | 2,026.5 |
| 50 | 5,066.25 |
| 100 | 10,132.5 |
About these units
Atmosphere
The standard atmosphere (1 atm = 101,325 Pa = 101.325 kPa) was codified in 1954. It represents mean sea-level pressure and is used as the reference pressure in gas laws, thermochemistry, and aviation.
Kilopascal
The kilopascal is the practical SI pressure unit for everyday scales. Atmospheric pressure (≈101 kPa), tire pressure (200-240 kPa), and blood pressure are all commonly expressed in kPa in metric countries.