Convert PSI (psi) to Atmospheres (atm)

1 psi = 0.068 atm

How many Atmospheres in a PSI?Printable chart →

Understanding pressure conversions is crucial in various fields such as engineering and meteorology. With the conversion factor of 1 psi equaling 0.068046 atm, you can easily translate pressure measurements from psi to atm. This is particularly useful for applications ranging from tire pressure assessments to scientific research.

PSI (psi)

Atmosphere (atm)

0.068046

≈ 1/16 atm

Conversion Formula

atm = psi × 0.068046

Reverse: psi = atm × 14.6959

Quick mental math: For quick mental math, remember that to convert psi to atm, roughly divide the psi value by 14.7.

Conversion Examples

1 psi × 0.068046 =

0.068 atm

1 PSI = 0.068 Atmospheres

5 psi × 0.068046 =

0.34 atm

5 PSI = 0.34 Atmospheres

10 psi × 0.068046 =

0.68 atm

10 PSI = 0.68 Atmospheres

25 psi × 0.068046 =

1.701 atm

25 PSI = 1.701 Atmospheres

50 psi × 0.068046 =

3.402 atm

50 PSI = 3.402 Atmospheres

100 psi × 0.068046 =

6.805 atm

100 PSI = 6.805 Atmospheres

PSI to Atmosphere Table

Quick convert your value:

psi =—atm

Start:Step:Rows:Precision:

PSI (psi)	Atmosphere (atm)	Fraction
1	0.068	1/16
6	0.4083	13/32
11	0.7485	3/4
16	1.0887	1 3/32
21	1.429	1 27/64
26	1.7692	1 49/64
31	2.1094	2 7/64
36	2.4497	2 29/64
41	2.7899	2 51/64
46	3.1301	3 1/8
51	3.4703	3 15/32
56	3.8106	3 13/16
61	4.1508	4 5/32
66	4.491	4 31/64
71	4.8313	4 53/64
76	5.1715	5 11/64
81	5.5117	5 33/64
86	5.852	5 55/64
91	6.1922	6 3/16
96	6.5324	6 17/32

Unit Definitions

What is a PSI (psi)?

ImperialUnited States, United Kingdom

PSI, or pounds per square inch, is a unit of pressure used predominantly in the United States. It represents the force of one pound applied to an area of one square inch.

History

PSI has been in use since the 19th century and gained popularity in industries such as automotive, where tire pressure is commonly measured. Its practical application has made it a standard in various engineering fields.

Current Use

Today, PSI is widely used in automotive, HVAC, and construction industries. It helps gauge tire pressure, hydraulic systems, and even in measuring air pressure in various applications.

Learn more about PSI

What is a Atmosphere (atm)?

OtherWorldwide

An atmosphere (atm) is a unit of pressure defined as being precisely equal to 101325 Pa or 1013.25 hPa. It is often used as a reference point in scientific contexts.

History

The concept of atmospheric pressure was developed in the 17th century. The term 'atmosphere' was coined to describe the pressure exerted by the weight of air above a given point.

Current Use

Atmospheres are commonly used in scientific research, particularly in physics and chemistry, to express gas pressures. It is also used in meteorology to discuss weather patterns and pressure systems.

Learn more about Atmosphere

Frequently Asked Questions

How can I convert 500 psi to atm?

To convert 500 psi to atmospheres, use the conversion factor of 1 psi = 0.068046 atm. By multiplying, 500 psi equals 500 x 0.068046, which results in approximately 34.023 atm. This conversion is helpful when measuring the pressure of gases in laboratory settings where atmospheric pressure is a standard reference.

What is the significance of measuring pressure in psi and atm?

Measuring pressure in psi is common in the United States, particularly in automotive and construction industries. Conversely, atm is widely used in scientific research globally. For example, tire pressures may be measured in psi (like 32 psi), but when assessing gas laws in chemistry, converting to atm (approximately 2.2 atm) is necessary for accurate calculations.

Can you provide an example of psi to atm conversion in cooking?

In cooking, particularly with pressure cookers, understanding pressure is key. If a recipe calls for cooking at 15 psi, converting this to atm gives you about 1.02 atm. This knowledge helps ensure you're applying the right pressure for optimal cooking results, which can affect cooking times and food texture.

How do I convert 1000 psi to atm for a hydraulic system?

In hydraulic systems, pressure is often measured in psi. To convert 1000 psi to atm, you multiply by the conversion factor: 1000 psi x 0.068046 atm = 68.046 atm. This conversion is essential for engineers to ensure the system operates safely and efficiently under specified pressure conditions.

What is the pressure at sea level in psi and atm?

At sea level, standard atmospheric pressure is approximately 14.696 psi, which converts to 1 atm. Understanding this conversion is crucial in various fields, such as aviation, where pilots must know the pressure conditions at different altitudes to ensure safe flight operations.

Popular Pressure Conversions

Kilopascal to PSIkPa → psi Bar to PSIbar → psi PSI to Barpsi → bar Atmosphere to Baratm → bar PSI to Kilopascalpsi → kPa Bar to Kilopascalbar → kPa

Convert PSI to Other Units

PSI to Pascal→ Pa PSI to Pascal→ Pa PSI to Torr→ Torr PSI to Millimeter of Mercury→ mmHg PSI to Megapascal→ MPa PSI to Kilopound per Square Inch→ ksi PSI to Atmosphere→ atm PSI to Torr→ Torr

Related Conversions

Pascal to PSIPa → psi Pascal to AtmospherePa → atm Kilopascal to AtmospherekPa → atm Bar to PSIbar → psi Bar to Atmospherebar → atm