Air Density Calculator

Free calculate air density from temperature, pressure, and relative humidity using the ideal gas law.

Input Parameters

Standard: 101325 Pa (1013.25 hPa)

Results

Enter temperature, pressure, and humidity

Air Density Calculation

Formula

ρ = P / (R × T)

Where:

  • • ρ = air density
  • • P = pressure
  • • R = gas constant (287.05 J/(kg·K))
  • • T = temperature (Kelvin)

Standard Conditions

  • • Sea level (15°C): 1.225 kg/m³
  • • 5000 ft (15°C): 1.055 kg/m³
  • • 10000 ft (15°C): 0.904 kg/m³

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