Convert Bar (bar) to Atmosphere (atm)
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Updated on September 1, 2025
You can use our Bar (bar) to Atmosphere (atm) conversion calculator as a reliable and efficient tool to simplify pressure conversions. It is designed for professionals, students, and anyone who needs a quick and accurate result. Conversion of Bar (bar) to Atmosphere (atm) is crucial in Industrial pressure related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Bar (bar) to Atmosphere (atm) converter.About Bar (bar) to Atmosphere (atm) Conversion Calculator
Written By
Nadiba Rahman
Reviewed by
Mrinmoy Roy
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Relation Between Bar (bar) and Atmosphere (atm)
Let me explain to you about the relation between Bar bar and Atmosphere (atm) first before moving to the conversion process. Because it’s essential to grasp what these units represent.What is Bar (bar)?
A bar is a unit of pressure equal to 100,000 pascals. Bar (bar) is a unit of pressure measurement which is commonly used in Industrial pressure. Commonly used in meteorology, engineering, and scuba diving. Slightly less than the average atmospheric pressure at sea level (1 atm = 1.01325 bar). Not an SI unit but widely accepted in practical applications..What is Atmosphere (atm)?
Bar (bar) is another unit of pressure measurement that is used in Atmospheric pressure. An atmosphere is a unit of pressure defined as 101,325 pascals.. Commonly used in meteorology, engineering, and scuba diving. Slightly less than the average atmospheric pressure at sea level (1 atm = 1.01325 bar). Not an SI unit but widely accepted in practical applications..How to Convert Atmosphere (atm)?
The conversion between Bar (bar) and Atmosphere (atm) follows a simple formula:Bar = Bar × 0.9869232667160128
Where, 0.9869232667160128 is the value that allows you to convert between Bar (bar) and Atmosphere (atm).
So,
1 Atmosphere = 0.9869232667160128 Bar
And, 1 Bar = 1/0.9869232667160128 Atmosphere
Examples of Converting Bar (bar) to Atmosphere (atm)
To convert any value from Bar (bar) to Atmosphere (atm), simply multiply the amount of Bar (bar) by the conversion factor:1 Atmosphere = 0.9869232667160128 Bar
For example, if you want to convert 5 Bar into Atmosphere and the conversion factor is 0.9869232667160128, then:
5 Bar = 5 x 0.9869232667160128 Atmosphere
Bar (bar) to Atmosphere (atm) Conversion Chart
Here’s a quick reference chart for common conversions between Bar (bar) and Atmosphere (atm)| Bar (bar) | Atmosphere (atm) |
|---|---|
| 5 Bar (bar) | 4.934616333580064 Atmosphere (atm) |
| 10 Bar (bar) | 9.869232667160128 Atmosphere (atm) |
| 15 Bar (bar) | 14.803849000740193 Atmosphere (atm) |
| 20 Bar (bar) | 19.738465334320257 Atmosphere (atm) |
| 25 Bar (bar) | 24.67308166790032 Atmosphere (atm) |
| 30 Bar (bar) | 29.607698001480387 Atmosphere (atm) |
| 35 Bar (bar) | 34.542314335060446 Atmosphere (atm) |
| 40 Bar (bar) | 39.47693066864051 Atmosphere (atm) |
| 45 Bar (bar) | 44.41154700222058 Atmosphere (atm) |
| 50 Bar (bar) | 49.34616333580064 Atmosphere (atm) |
How 1 Bar (bar) Converts to Other pressure Units
See the relation between Bar (bar) and other pressure related measurement units:| 1 Bar(bar) | 75.006376 Centimeter mercury (cmHg) |
| 1 Bar(bar) | 1019.744289 Centimeter water (cmH₂O) |
| 1 Bar(bar) | 33.456229 Feet water (ftH₂O) |
| 1 Bar(bar) | 1000.000000 Hectopascal (hPa) |
| 1 Bar(bar) | 401.859807 Inch water (inH₂O) |
| 1 Bar(bar) | 29.529971 Inch mercury (inHg) |
| 1 Bar(bar) | 1.019716 Kilogram force/sq cm (kgf/cm²) |
| 1 Bar(bar) | 10197.162130 Kilogram force/sq meter (kgf/m²) |
| 1 Bar(bar) | 100.000000 Kilonewtons/sq meter (kN/m²) |
| 1 Bar(bar) | 0.000100 Kilonewtons/sq millimeter (kN/mm²) |
| 1 Bar(bar) | 0.100000 Megapascal (MPa) |
| 1 Bar(bar) | 10.197162 Meters of water (mH₂O) |
| 1 Bar(bar) | 10.000000 Newton/sq cm (N/cm²) |
| 1 Bar(bar) | 100000.000000 Newton/sq meter (N/m²) |
| 1 Bar(bar) | 0.100000 Newton/sq millimeter (N/mm²) |
| 1 Bar(bar) | 100000.000000 Pascal (Pa) |
| 1 Bar(bar) | 14.503774 Pound force/sq inch (lbf/in²) |
| 1 Bar(bar) | 2088.543423 Pound force/sq feet (lbf/ft²) |
| 1 Bar(bar) | 1.044272 Tons/sq feet (tn/ft²) |
| 1 Bar(bar) | 0.007252 Tons/sq inch (tn/in²) |
| 1 Bar(bar) | 0.001020 Tonnes/sq cm (t/m²) |
| 1 Bar(bar) | 10.197162 Tonnes/sq meter (t/cm²) |
| 1 Bar(bar) | 750.061683 Torr (Torr) |
Features of Our Bar (bar) to Atmosphere (atm) Conversion Calculator
Our Bar bar to Atmosphere (atm) converter is more than just a basic converter. Here's what makes it stand out:Output Precision Control
You can control how precise your conversion results are. From settings, you can adjust decimal places from 0 to 12 places.Customizable Rounding Options
You can control the output rounding options based on your necessity. You can turn the rounding mode on or off, and select between Ceiling or Floor rounding to match your needs.Multiple Number Formats
Display your results the way you want:- Standard format (e.g. 12.345245)
- Scientific notation (e.g. 1.23452e+1)
- Engineering format (e.g. 1.23452 × 10^1)