MeasureCalc

Convert Pascal (Pa) to Standard atmosphere (atm)

Category: Pressure

1E-05 atm

1 pa = 1E-05 atm

High-precision rounding: 6 decimals

How to convert pascal (pa) to standard atmosphere (atm)

Pressure is force per unit area. Pascals (and kPa, hPa) are SI, while bar and psi are widely used in engineering and scuba. Conversions must respect absolute vs gauge references when comparing values.

This converter calculates Pascal (Pa) to Standard atmosphere (atm) values by using the correct conversion rule for the Pressure category. For linear units, standardized factors are used. For temperature, the calculator applies the proper formula with offsets.

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Quick conversion table

Handy values for Pascal (Pa) to Standard atmosphere (atm). Click a value to open that exact result.

Pascal (Pa) Standard atmosphere (atm)
1 1E-05
0.5 5E-06
2.5 2.5E-05
10 9.9E-05

Conversion formula

Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).

Common mistakes

  • Comparing gauge pressure (psig) with absolute pressure (psia/hPa) without converting reference.
  • Mixing bar with atm (1 atm = 1.01325 bar).

Unit facts

  • Pascal (Pa): Pascal (Pa) is the SI unit of pressure: 1 Pa = 1 N/m².
  • Standard atmosphere (atm): Standard atmosphere is exactly 101,325 Pa; reference pressure in chemistry and physics.

About Pascal (Pa)

Pascal (Pa)

SI unit equal to 1 N/m². Used for stress, tire pressure (kPa), and atmospheric science (hPa).

History: Named after Blaise Pascal; became practical with digital sensors capable of stable low-pressure readings.

About Standard atmosphere (atm)

Standard atmosphere (atm)

Exactly 101,325 Pa. Reference pressure for chemistry and gas laws; useful for normalizing conditions.

History: A conventional unit set for convenience in calculations and comparative tables.

Frequently asked questions

How many Standard atmosphere (atm) are in one Pascal (Pa)?
1 Pascal (Pa) equals 1E-05 Standard atmosphere (atm).
Is Pascal (Pa) to Standard atmosphere (atm) conversion exact?
Many unit conversions are exact by definition, while others use standardized conversion constants.
What is the fastest way to convert Pascal (Pa) to Standard atmosphere (atm)?
Enter a value in Pascal (Pa), choose Standard atmosphere (atm) as the target unit, and the calculator will instantly return the result.

Convert Pascal (Pa) to other units

Convert other units to Standard atmosphere (atm)