Convert Bars (bar) to Atmospheres (atm)
1 bar = 0.987 atm
Converting pressure from bars to atmospheres is simple with the conversion factor of 1 bar = 0.986923 atm. This conversion is essential in fields like engineering, cooking, and weather forecasting, where precise pressure measurements are crucial.
0.986923
≈ 63/64 atm
Formula: atm = bar × 0.986923
Conversion Formula
atm = bar × 0.986923
Reverse: bar = atm × 1.01325
Quick mental math: To quickly estimate, remember that 1 bar is nearly equal to 1 atm, so you can subtract a small percentage to convert.
Conversion Examples
1 bar × 0.986923 =
0.987 atm
1 Bars = 0.987 Atmospheres
5 bar × 0.986923 =
4.935 atm
5 Bars = 4.935 Atmospheres
10 bar × 0.986923 =
9.869 atm
10 Bars = 9.869 Atmospheres
25 bar × 0.986923 =
24.673 atm
25 Bars = 24.673 Atmospheres
50 bar × 0.986923 =
49.346 atm
50 Bars = 49.346 Atmospheres
100 bar × 0.986923 =
98.692 atm
100 Bars = 98.692 Atmospheres
Bar to Atmosphere Table
bar =—atm
| Bar (bar) | Atmosphere (atm) | Fraction |
|---|---|---|
| 1 | 0.9869 | 63/64 |
| 6 | 5.9215 | 5 59/64 |
| 11 | 10.8562 | 10 55/64 |
| 16 | 15.7908 | 15 51/64 |
| 21 | 20.7254 | 20 23/32 |
| 26 | 25.66 | 25 21/32 |
| 31 | 30.5946 | 30 19/32 |
| 36 | 35.5292 | 35 17/32 |
| 41 | 40.4639 | 40 15/32 |
| 46 | 45.3985 | 45 13/32 |
| 51 | 50.3331 | 50 21/64 |
| 56 | 55.2677 | 55 17/64 |
| 61 | 60.2023 | 60 13/64 |
| 66 | 65.1369 | 65 9/64 |
| 71 | 70.0716 | 70 5/64 |
| 76 | 75.0062 | — |
| 81 | 79.9408 | 79 15/16 |
| 86 | 84.8754 | 84 7/8 |
| 91 | 89.81 | 89 13/16 |
| 96 | 94.7446 | 94 3/4 |
Unit Definitions
What is a Bar (bar)?
Metric (SI)Worldwide
A bar is a metric unit of pressure defined as 100,000 pascals. It is commonly used in various scientific and industrial applications.
History
The bar was originally proposed by the French physicist and engineer Henri Poincaré in 1909. It has since gained acceptance in many fields, particularly in meteorology and engineering.
Current Use
Today, the bar is widely used in meteorology for measuring atmospheric pressure, as well as in various engineering applications, especially in relation to gas and hydraulic pressures.
What is a Atmosphere (atm)?
OtherWorldwide
An atmosphere (atm) is a unit of pressure defined as being precisely equal to 101,325 pascals. It is often used as a reference pressure in various scientific fields.
History
The concept of an atmosphere was first introduced in the 19th century, with the unit gaining standardization in the early 20th century. It became a common reference point for atmospheric pressure measurement.
Current Use
Currently, the atmosphere is commonly used in fields such as meteorology, scuba diving, and physics, serving as a standard for measuring pressure relative to the Earth's atmosphere.
Frequently Asked Questions
How do I convert 50 bar to atmospheres?
To convert 50 bar to atmospheres, you multiply by the conversion factor 0.986923. So, 50 bar is equal to 50 * 0.986923 = 49.34615 atm. This conversion is particularly useful in industrial applications where machines operate at high pressures, ensuring safety and efficiency.
What is the atmospheric pressure at sea level in bars?
Atmospheric pressure at sea level is approximately 1 atm, which converts to about 1.01325 bar. This means that standard atmospheric pressure is slightly higher in bars than in atmospheres, a detail important in meteorology and aviation where accurate pressure readings impact flight operations.
How is pressure measured in scuba diving?
Scuba divers often reference pressure in atmospheres. At a depth of 30 meters, the pressure experienced is about 4 atm, which translates to approximately 4.0329 bar. Understanding this conversion helps divers monitor their limits and ensure their safety underwater.
Why is bar used in tire pressure measurements?
Tire pressure is commonly measured in bars, with a typical recommended pressure of around 2.2 bar, equating to about 2.173 atm. Maintaining proper tire pressure is crucial for vehicle safety, fuel efficiency, and tire longevity, making this conversion very practical for drivers.
How does pressure affect cooking at high altitudes?
At high altitudes, atmospheric pressure decreases, affecting boiling points. For example, at 2,438 meters (8,000 feet), the pressure is about 0.74 atm, or roughly 0.75 bar. Knowing how to adjust cooking times and temperatures based on pressure helps ensure food is cooked properly in different environments.
Popular Pressure Conversions
Kilopascal to PSIkPa → psiPascal to KilopascalPa → kPaPascal to BarPa → barPascal to PSIPa → psiPascal to AtmospherePa → atmPascal to TorrPa → TorrPascal to Millimeter of MercuryPa → mmHgPascal to MegapascalPa → MPaPascal to Kilopound per Square InchPa → ksiKilopascal to PascalkPa → PaKilopascal to BarkPa → barKilopascal to AtmospherekPa → atmKilopascal to TorrkPa → TorrKilopascal to Millimeter of MercurykPa → mmHgKilopascal to MegapascalkPa → MPaKilopascal to Kilopound per Square InchkPa → ksiBar to Pascalbar → PaBar to Kilopascalbar → kPaBar to PSIbar → psiBar to Torrbar → TorrBar to Millimeter of Mercurybar → mmHgBar to Megapascalbar → MPaBar to Kilopound per Square Inchbar → ksiPSI to Pascalpsi → PaPSI to Kilopascalpsi → kPaPSI to Barpsi → barPSI to Atmospherepsi → atmPSI to Torrpsi → TorrPSI to Millimeter of Mercurypsi → mmHgPSI to Megapascalpsi → MPaPSI to Kilopound per Square Inchpsi → ksiAtmosphere to Pascalatm → PaAtmosphere to Kilopascalatm → kPaAtmosphere to Baratm → barAtmosphere to PSIatm → psiAtmosphere to Torratm → TorrAtmosphere to Millimeter of Mercuryatm → mmHgAtmosphere to Megapascalatm → MPaAtmosphere to Kilopound per Square Inchatm → ksiTorr to PascalTorr → PaTorr to KilopascalTorr → kPaTorr to BarTorr → barTorr to PSITorr → psiTorr to AtmosphereTorr → atmTorr to Millimeter of MercuryTorr → mmHgTorr to MegapascalTorr → MPaTorr to Kilopound per Square InchTorr → ksiMillimeter of Mercury to PascalmmHg → PaMillimeter of Mercury to KilopascalmmHg → kPaMillimeter of Mercury to BarmmHg → barMillimeter of Mercury to PSImmHg → psiMillimeter of Mercury to AtmospheremmHg → atmMillimeter of Mercury to TorrmmHg → TorrMillimeter of Mercury to MegapascalmmHg → MPaMillimeter of Mercury to Kilopound per Square InchmmHg → ksiMegapascal to PascalMPa → PaMegapascal to KilopascalMPa → kPaMegapascal to BarMPa → barMegapascal to PSIMPa → psiMegapascal to AtmosphereMPa → atmMegapascal to TorrMPa → TorrMegapascal to Millimeter of MercuryMPa → mmHgMegapascal to Kilopound per Square InchMPa → ksiKilopound per Square Inch to Pascalksi → PaKilopound per Square Inch to Kilopascalksi → kPaKilopound per Square Inch to Barksi → barKilopound per Square Inch to PSIksi → psiKilopound per Square Inch to Atmosphereksi → atmKilopound per Square Inch to Torrksi → TorrKilopound per Square Inch to Millimeter of Mercuryksi → mmHgKilopound per Square Inch to Megapascalksi → MPa
Convert Bar to Other Units
Bar to Pascal→ PaBar to Kilopascal→ kPaBar to Pascal→ PaBar to Kilopascal→ kPaBar to PSI→ psiBar to Torr→ TorrBar to Millimeter of Mercury→ mmHgBar to Megapascal→ MPaBar to Kilopound per Square Inch→ ksiBar to PSI→ psiBar to Atmosphere→ atmBar to Torr→ TorrBar to Millimeter of Mercury→ mmHgBar to Megapascal→ MPaBar to Kilopound per Square Inch→ ksi