Use this free, accurate bar to standard atmosphere calculator to convert between Bar (bar) and Standard Atmosphere (atm). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
0.9869232667 Standard Atmosphere
1 bar is equal to 0.986923 atm.
atm = bar × 0.98692327
pressure Converters
To convert from Bar to Standard Atmosphere, multiply the value in Bar by 0.986923 (or use the formula: atm = bar × 0.986923).
Take your initial measurement in Bar (bar). For instance, let's convert 1 bar.
Multiply by the standard conversion factor (0.986923).
The final converted measurement equals 0.986923 Standard Atmosphere (atm).
Compare standard reference values and common conversion benchmarks.
| Bar (bar) | Standard Atmosphere (atm) | Action |
|---|---|---|
| 1 bar | 0.98692 atm | |
| 2 bar | 1.97385 atm | |
| 3 bar | 2.96077 atm | |
| 5 bar | 4.93462 atm | |
| 10 bar | 9.86923 atm | |
| 15 bar | 14.80385 atm | |
| 20 bar | 19.73847 atm | |
| 25 bar | 24.67308 atm | |
| 50 bar | 49.34616 atm | |
| 75 bar | 74.01925 atm | |
| 100 bar | 98.69233 atm | |
| 250 bar | 246.73082 atm | |
| 500 bar | 493.46163 atm | |
| 1000 bar | 986.92327 atm |
Official standards, measurement systems, and real-world everyday applications.
A bar is a metric pressure unit equal to exactly 100,000 pascals (approx 0.987 atm).
Common Practical Uses
A standard atmosphere is a defined reference pressure equal to exactly 101,325 pascals.
Common Practical Uses
Calculate from Standard Atmosphere (atm) back to Bar (bar).
Frequently used unit conversions in this category:
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There are 0.986923 atmospheres in 1 bar. Exactly 1 bar is equal to 0.986923 atm.
The conversion formula is: Standard Atmosphere = atm = bar × 0.98692327. Applying this to 1 bar gives: 1 × 0.986923 = 0.986923 atm.
To convert in reverse from atmospheres to bar, multiply by the inverse factor: 1 atm = 1.01325 bar. Alternatively, divide your Standard Atmosphere amount by 0.986923.
For quick rough estimates, 1 Bar is approximately 1 Standard Atmosphere.
Bar (bar) belongs to the Metric system, commonly used in Scuba diving tanks, Pressure washers, Industrial air compressors. In comparison, Standard Atmosphere (atm) is part of the Standard Reference system, frequently applied in Thermodynamics, Chemical equilibrium, High-pressure physics.
Key milestones include: 1 bar = 0.986923 atm, 5 bar = 4.9346 atm, 10 bar = 9.8692 atm, 50 bar = 49.3462 atm, and 100 bar = 98.6923 atm.