Atmosphere to Bar Converter (atm to bar)

How to Convert Atmosphere to Bar

Formula: Bar = Atmosphere × 1.01325

Example: 1 atm = 1.01325 bar

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

To get more out of this conversion, it helps to know where Atmosphere and Bar actually show up in daily life, plus the quick facts people usually search for.

Step-by-step example — Convert 1 atm to bar:

What is Atmosphere and Bar?

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

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

Real World Uses of Atmosphere to Bar Conversion

• Atmosphere: Commonly used for used as a reference pressure in chemistry and physics.
• Bar: Commonly used for measuring industrial gas cylinder and compressor pressure.
• Atmosphere: Commonly used in chemistry and aviation to describe pressure relative to sea level.
• Bar: Commonly used in Europe for tyre pressure and scuba diving depth gauges.

Frequently Asked Questions

What is the formula to convert Atmosphere to Bar?

The formula is: Bar = Atmosphere x 1.01325. Multiply any Atmosphere value by 1.01325 to get the equivalent in Bar.

What is 1 Atmosphere in Bar?

1 atm = 1.01325 bar.

How many Atmosphere are in 1 Bar?

1 bar = 0.986923266716013 atm.

Is Atmosphere bigger or smaller than Bar?

Atmosphere is bigger than Bar. 1 Atmosphere = 1.01325 bar.

What is 3 atm in bar?

3 atm = 3.03975 bar.

What is 5 bar in atm?

5 bar = 4.934616334 atm.

How is 1 atmosphere defined?

One atmosphere is defined as exactly 101,325 pascals, based on the average air pressure at sea level.