Bar to Atmosphere Converter (bar to atm)

How to Convert Bar to Atmosphere

Formula: Atmosphere = Bar × 0.98692327

Example: 1 bar = 0.98692327 atm

You can also use the interactive converter above. Simply enter any Bar value and the equivalent Atmosphere value will appear instantly. Click the ⇄ button to reverse the conversion.

Beyond the calculator above, it helps to understand what these two units actually represent and where you will run into them in everyday life.

Step-by-step example — Convert 2 bar to atm:

What is Bar and Atmosphere?

A Bar is a metric pressure unit approximately equal to average atmospheric pressure at sea level.

An Atmosphere (atm) represents average air pressure at sea level and is used as a natural reference point for pressure.

Real World Uses of Bar to Atmosphere Conversion

• Bar: Commonly used for reporting weather pressure systems.
• Atmosphere: Commonly used for calculating pressure changes in scuba diving.
• Bar: Commonly used in Europe for tyre pressure and scuba diving depth gauges.
• Atmosphere: Commonly used in chemistry and aviation to describe pressure relative to sea level.

Frequently Asked Questions

What is the formula to convert Bar to Atmosphere?

The formula is: Atmosphere = Bar x 0.98692327. Multiply any Bar value by 0.98692327 to get the equivalent in Atmosphere.

What is 1 Bar in Atmosphere?

1 bar = 0.98692327 atm.

How many Bar are in 1 Atmosphere?

1 atm = 1.01324999662841 bar.

Is Bar bigger or smaller than Atmosphere?

Bar is smaller than Atmosphere. 1 Atmosphere = 1.01324999662841 bar.

What is 5 bar in atm?

5 bar = 4.934616334 atm.

What is 3 atm in bar?

3 atm = 3.03975 bar.

Why is the bar close to atmospheric pressure?

The bar was defined as exactly 100,000 Pa, very close to Earth's average sea-level atmospheric pressure of 1.01325 bar, making it an intuitive everyday reference unit.