Convert pressure units — Pascal, bar, PSI, atm, Torr, mmHg.
| Unit | Name | Value |
|---|---|---|
| Pa | Pascal | 1000 |
| bar | Bar | 0.01 |
| atm | Atmosphere | 0.0098692327 |
| psi | PSI | 0.14503768 |
| Torr | Torr / mmHg | 7.5006376 |
| inHg | Inch of Mercury | 0.29529971 |
Formula: Pascal = Kilopascal × 1000
Multiply any kilopascal value by 1000 to get pascal.
Reverse: Kilopascal = Pascal × 0.001
Common kilopascal values — factor: 1 kPa = 1000 Pa
| Kilopascal (kPa) | Pascal (Pa) | Context |
|---|---|---|
| 0.1 kPa | 100 Pa | Light wind |
| 1 kPa | 1,000 Pa | 10 mbar |
| 10 kPa | 1e+04 Pa | 100 mbar |
| 100 kPa | 100,000 Pa | 1 bar / ~1 atm |
| 101.3 kPa | 101,300 Pa | 1 standard atm |
| 200 kPa | 200,000 Pa | 2 bar / car tire |
| 250 kPa | 250,000 Pa | 2.5 bar tire |
| 500 kPa | 500,000 Pa | 5 bar |
| 1,000 kPa | 1,000,000 Pa | 10 bar |
| 6.895 kPa | 6,895 Pa | 100 mbar |
| 1e+04 kPa | 10,000,000 Pa | 100 bar |
| 100,000 kPa | 100,000,000 Pa | 1,000 bar |
| 0.1333 kPa | 133.3 Pa | Light wind |
| 3.386 kPa | 3,386 Pa | 1 inHg |
| 98.07 kPa | 9.807e+04 Pa | 1 kgf/cm² |
kPa × 1,000 = Pa. Move decimal 3 places right.
Exact definition of the kilo prefix.
Pa ÷ 1,000 = kPa.
Specifies tire pressures in kPa on metric-market vehicle tire placards.
Reports blood pressure alongside mmHg in kPa in metric healthcare systems.
Calculates oxygen partial pressure and altitude effects using kPa.
Specifies duct static pressure, fan performance, and filter resistance in Pa/kPa.
Controls vacuum packaging and autoclave sterilization pressures in kPa.
Measures soil pore water pressure and groundwater head in kPa.
The kilopascal (kPa) equals 1,000 pascals and is the practical everyday pressure unit in metric countries. It is the standard unit for tire pressure, blood pressure, and weather maps in countries using SI.
Blood pressure in many countries is expressed in kPa (normal: ~16/10.7 kPa), though mmHg remains dominant in medicine. Car tire pressure is typically 200–250 kPa. Weather maps use hPa (= mbar) for atmospheric pressure.
Interesting fact: The 'bends' (decompression sickness) in scuba diving occurs when dissolved nitrogen forms bubbles as pressure drops — a drop of just a few kPa too quickly can be fatal.
The pascal (Pa) is the SI derived unit of pressure, defined as one newton per square meter. It was named after Blaise Pascal, the 17th-century French mathematician and physicist who studied fluid pressure. The unit was officially adopted by the International System of Units in 1971.
Pascals are used in meteorology (atmospheric pressure ~101,325 Pa), materials science (Young's modulus in GPa), and fluid mechanics. The pascal is very small — standard atmospheric pressure equals 101,325 Pa.
Interesting fact: Blaise Pascal demonstrated in 1648 that atmospheric pressure decreases with altitude by carrying a barometer up the Puy de Dôme mountain, confirming Torricelli's theory of atmospheric pressure.
Converting kilopascal to pascal is a common task in engineering, medicine, meteorology, and science. Different industries and countries use different pressure units — PSI in the US, bar in Europe, mmHg in medicine, and pascals in physics — making accurate conversion essential for cross-disciplinary work.
Quick reference: 5 kPa = 5000 Pa and 10 kPa = 1e+04 Pa. For the reverse: 1 Pa = 0.001 kPa. The exact factor is 1 kPa = 1000 Pa.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.