Bar to AtmosphereConverter
Instantly convert Bar (bar) to Atmosphere (atm). Free, accurate, and easy to use.
How to Convert Bar to Atmosphere
To convert Bar (bar) to Atmosphere (atm), multiply your value by 0.98692327.
Example: 5 bar × 0.98692327 = 4.93461633 atm
What is a Bar?
The bar equals exactly 100,000 Pascals (100 kPa), very close to standard atmospheric pressure (1.01325 bar). It is widely used in meteorology, pneumatics, hydraulics, and as the reference unit on European tire-pressure gauges. The word 'bar' comes from the Greek 'baros,' meaning weight. Deep-sea pressure increases by roughly 1 bar for every 10 meters of seawater depth.
What is a Atmosphere?
The standard atmosphere (atm) is defined exactly as 101,325 Pascals and represents average sea-level air pressure on Earth. It is the standard reference pressure in chemistry for gas laws (STP), and in diving to express depth pressure. Every 10 meters of seawater adds approximately 1 atm of pressure. The atmospheric pressure on Mars is only about 0.006 atm.
Bar to Atmosphere Conversion Table
| Bar (bar) | Atmosphere (atm) |
|---|---|
| 0.001 bar | 0.00098692 atm |
| 0.01 bar | 0.00986923 atm |
| 0.1 bar | 0.09869233 atm |
| 0.5 bar | 0.49346163 atm |
| 1 bar | 0.98692327 atm |
| 2 bar | 1.97384653 atm |
| 5 bar | 4.93461633 atm |
| 10 bar | 9.86923267 atm |
| 20 bar | 19.73846533 atm |
| 50 bar | 49.34616334 atm |
| 100 bar | 98.69232667 atm |
| 200 bar | 197.38465334 atm |
| 500 bar | 493.46163336 atm |
| 1000 bar | 986.92326672 atm |
| 5000 bar | 4934.61633358 atm |
| 10000 bar | 9869.23266716 atm |
| 50000 bar | 49346.1633358 atm |
| 100000 bar | 98692.3266716 atm |
| 1000000 bar | 986923.26671601 atm |
| 1000000000 bar | 986923266.7160128 atm |
Frequently Asked Questions
How do I convert Bar to Atmosphere?
Multiply the Bar value by 0.98692327. Formula: atm = bar × 0.98692327. Example: 10 bar = 9.86923267 atm.
How many Atmosphere are in one Bar?
One Bar (bar) equals 0.98692327 Atmosphere (atm).
How many Bar are in one Atmosphere?
One Atmosphere (atm) equals 1.01325 Bar (bar).
What is the exact conversion factor from Bar to Atmosphere?
The conversion factor is 0.98692327. Multiply any bar value by this number to get atm. For the reverse, multiply by 1.01325.
How do I convert Atmosphere back to Bar?
Divide by 0.98692327, or equivalently multiply by 1.01325. Formula: bar = atm ÷ 0.98692327.
Is the Bar-to-Atmosphere conversion internationally standardized?
Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 0.98692327 is exact and universally agreed upon.