- bar is a commonly used unit in meteorology and engineering
1 bar is defined as 100,000 Pascals
The word bar originates from the Greek word βάρος, meaning weight. It is defined with respect to the SI unit Pascal, such that 1 bar ≡ 100000 Pa.
- 1 bar is approximately equal to atmospheric pressure at sea level
Commonly used in meteorology and engineering
- A bar is commonly subdivided into 1,000 millibars.
- Megabar and Kilobar are derived from the bar, but are not in common use