Vacuum
mbartokPa
Convert millibars (vacuum) (mbar) to kilopascals (vacuum) (kPa).
Factor1 mbar = 0.1 kPa
Converter
mbar
Accepts numbers or expressions, e.g. 150 + 14.7
Result
kPa
Rendered to 6 significant figures.
Formula
Formula
kPa = mbar × 0.1
Multiply any value in millibars (vacuum) by 0.1 to obtain the value in kilopascals (vacuum).
Worked example
Convert 100 mbar to kPa.
- 01Start with 100 mbar.
- 02Multiply by the conversion factor: 100 × 0.1 = 10 kPa.
Result100 mbar = 10 kPa
Conversion table
| mbar | kPa |
|---|---|
| 1 | 0.1 |
| 2 | 0.2 |
| 5 | 0.5 |
| 10 | 1 |
| 20 | 2 |
| 50 | 5 |
| 100 | 10 |
| 200 | 20 |
| 500 | 50 |
| 1000 | 100 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from mbar to kPa?
1 mbar equals 0.1 kPa. To convert, multiply the value in millibars (vacuum) by 0.1.
How do I convert 1 mbar to kPa?
1 mbar = 0.1 kPa. For any value, multiply by 0.1.
How do I convert kPa back to mbar?
Divide by the same factor — or equivalently, multiply by 10. So 1 kPa = 10 mbar.
When would I need to convert millibar (vacuum) to kilopascal (vacuum)?
Vacuum-pressure conversions between mbar and kPa are common in vacuum-chamber instrumentation, pump-down endpoint specification, semiconductor and deposition process work, freeze-drying, electron-microscopy column pressure, vacuum metallurgy and HVAC / refrigeration service. Torr, mmHg and inHg dominate manometric vacuum gauges; mbar is standard on European instruments; micron Hg and mTorr cover high-vacuum work; Pa and kPa are the SI references. This category is vacuum / instrumentation intent — dimensionally the same as pressure, but kept separate so process-pressure searches and vacuum searches stay on the right page.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).