Pressure conversion

Convert Pascal to Standard atmosphere

1 pascal (Pa) equals 0.000009869233 standard atmosphere (atm). Enter any value below to convert from Pa to atm.

Enter a value and choose units. Results update instantly.

1 Pa = 0.0000098692 atm

All Pressure units

From 1 Pa
UnitValue
Pascal Pa 1
Kilopascal kPa 0.001
Megapascal MPa 0.000001
Bar bar 0.00001
Millibar mbar 0.01
Standard atmosphere atm 0.0000098692
Pound per square inch psi 0.0001450377
Torr Torr 0.0075006168
Millimeter of mercury mmHg 0.0075006158
Inch of mercury inHg 0.0002952998
Recent conversions
  1. Your recent conversions stay on this device.

Formula

Pa to atm conversion formula

Use this relationship for a direct conversion:

atm = Pa x 0.000009869233

Worked example

2 Pa = 0.0000197385 atm.

Conventional mercury-column units are not measurements adjusted for local temperature or gravity.

Quick reference

Pascal to Standard atmosphere table

Pascal (Pa)Standard atmosphere (atm)
0.010.0000000987
0.10.0000009869
10.0000098692
20.0000197385
50.0000493462
100.0000986923
250.0002467308
500.0004934616
1000.0009869233
1,0000.0098692327

From unit

About the pascal

One newton per square meter.

Symbol: Pa

To unit

About the standard atmosphere

Exactly 101,325 pascals.

Symbol: atm

Keep converting

Related conversions

Standard atmosphere to PascalReverse this conversion Pascal to KilopascalPa to kPaPascal to MegapascalPa to MPaPascal to BarPa to barPascal to MillibarPa to mbarPascal to Pound per square inchPa to psiPascal to TorrPa to Torr

Source

Conversion standard

Definitions are checked against NIST SP 811: Pressure units. Calculations use full internal precision before display rounding.

View the complete pressure converter

Questions

Pa to atm FAQ

How do you convert pascal to standard atmosphere?

Use the formula atm = Pa x 0.000009869233. 1 pascal (Pa) equals 0.000009869233 standard atmosphere (atm).

Is the Pa to atm conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.