Pascal to Standard Atmosphere Converter 2025 - Pa to atm Calculator | Thiyagi

Pascal to Standard Atmosphere Converter

Convert between pascals and standard atmospheres for meteorology, physics, and engineering applications

1 Pa = 9.8692×10⁻⁶ atm
1 atm = 101,325 Pa
Enter a value to see the conversion result

Pressure Scale Reference

Pascal ⇔ Atmosphere
1,013 Pa ⇔ 0.01 atm
10,133 Pa ⇔ 0.1 atm
50,663 Pa ⇔ 0.5 atm
101,325 Pa ⇔ 1.0 atm
202,650 Pa ⇔ 2.0 atm
506,625 Pa ⇔ 5.0 atm

Atmospheric Conditions

Sea Level Pressure:
• Standard: 101,325 Pa (1.0 atm)
• Average: 101,000-102,000 Pa
• High pressure: >103,000 Pa (>1.02 atm)
• Low pressure: <99,000 Pa (<0.98 atm)
Altitude Effects:
• 1,000 m: ~89,875 Pa (0.887 atm)
• 3,000 m: ~69,682 Pa (0.688 atm)
• 5,000 m: ~54,020 Pa (0.533 atm)
• 10,000 m: ~26,500 Pa (0.262 atm)
Weather Systems:
• Hurricane eye: ~95,000 Pa (0.94 atm)
• Strong high: ~103,500 Pa (1.02 atm)
• Deep low: ~98,000 Pa (0.97 atm)
• Typhoon center: ~92,000 Pa (0.91 atm)

Pressure Units

  • Pascal: SI unit of pressure
  • Standard atm: Reference pressure
  • Definition: 1 atm = 101,325 Pa exactly
  • Symbol: Pa and atm

Measurement Tips

  • Use atm for atmospheric science
  • Use Pa for engineering calculations
  • Consider temperature effects
  • Account for altitude variations

Applications

  • Weather: Barometric pressure
  • Aviation: Altitude calculations
  • Physics: Gas law calculations
  • Engineering: System design