bar

What is a Bar?

Definition

A bar is a unit of pressure equal to 100,000 pascals, approximately equal to atmospheric pressure at sea level.

Popular Bar Conversions

Most common conversions from Bars

1 bar = 100,000 Pa Bar to Pascals 1 bar = 100 kPa Bar to Kilopascals 1 bar = 0.1 MPa Bar to Megapascals 1 bar = 1,000 mbar Bar to Millibars 1 bar = 14.5038 psi Bar to PSI 1 bar = 0.986923 atm Bar to Atmospheres

History

The bar was introduced by British meteorologist William Napier Shaw in 1909. It provides a convenient approximation of atmospheric pressure.

Common Uses

Scuba diving depth pressure
Industrial pressure gauges
Tire pressure in some countries
Espresso machine pressure

Fun Facts

💡

Espresso is typically brewed at 9 bars of pressure

💡

1 bar is about 14.5 psi

💡

Scuba divers add 1 bar of pressure per 10 meters of depth

All Bar Conversions

Bars to Pascals bar → Pa Bars to Kilopascals bar → kPa Bars to Megapascals bar → MPa Bars to Millibars bar → mbar Bars to PSI bar → psi Bars to Atmospheres bar → atm Bars to Torr bar → Torr Bars to mmHg bar → mmHg