Density Altitude Calculator
Altimeter Setting to Pressure Altitude
PA(ft) = Field Elevation(ft) + (29.92 − Altimeter(inHg)) × 1000
Pressure Altitude to Density Altitude
DA(ft) ≈ PA(ft) + 120 × (OAT(°C) − ISA(°C)). ISA at PA is auto‑calculated using lapse rate 1.98 °C per 1000 ft.
