Use this free, accurate standard atmosphere to bar calculator to convert between Standard Atmosphere (atm) and Bar (bar). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
1.01325 Bar
1 atm is equal to 1.01325 bar.
bar = atm × 1.01325
pressure Converters
To convert from Standard Atmosphere to Bar, multiply the value in Standard Atmosphere by 1.01325 (or use the formula: bar = atm × 1.01325).
Take your initial measurement in Standard Atmosphere (atm). For instance, let's convert 1 atm.
Multiply by the standard conversion factor (1.01325).
The final converted measurement equals 1.01325 Bar (bar).
Compare standard reference values and common conversion benchmarks.
| Standard Atmosphere (atm) | Bar (bar) | Action |
|---|---|---|
| 1 atm | 1.01325 bar | |
| 2 atm | 2.0265 bar | |
| 3 atm | 3.03975 bar | |
| 5 atm | 5.06625 bar | |
| 10 atm | 10.1325 bar | |
| 15 atm | 15.19875 bar | |
| 20 atm | 20.265 bar | |
| 25 atm | 25.33125 bar | |
| 50 atm | 50.6625 bar | |
| 75 atm | 75.99375 bar | |
| 100 atm | 101.325 bar | |
| 250 atm | 253.3125 bar | |
| 500 atm | 506.625 bar | |
| 1000 atm | 1013.25 bar |
Official standards, measurement systems, and real-world everyday applications.
A standard atmosphere is a defined reference pressure equal to exactly 101,325 pascals.
Common Practical Uses
A bar is a metric pressure unit equal to exactly 100,000 pascals (approx 0.987 atm).
Common Practical Uses
Calculate from Bar (bar) back to Standard Atmosphere (atm).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 1.01325 bar in 1 atmospheres. Exactly 1 atm is equal to 1.01325 bar.
The conversion formula is: Bar = bar = atm × 1.01325. Applying this to 1 atm gives: 1 × 1.01325 = 1.01325 bar.
To convert in reverse from bar to atmospheres, multiply by the inverse factor: 1 bar = 0.986923 atm. Alternatively, divide your Bar amount by 1.01325.
For quick rough estimates, 1 Standard Atmosphere is approximately 1 Bar.
Standard Atmosphere (atm) belongs to the Standard Reference system, commonly used in Thermodynamics, Chemical equilibrium, High-pressure physics. In comparison, Bar (bar) is part of the Metric system, frequently applied in Scuba diving tanks, Pressure washers, Industrial air compressors.
Key milestones include: 1 atm = 1.01325 bar, 5 atm = 5.0663 bar, 10 atm = 10.1325 bar, 50 atm = 50.6625 bar, and 100 atm = 101.325 bar.