3 calculators in this category
- Density Altitude CalculatorICAO Standard Atmosphere (ISO 2533)Density altitude is the altitude your aeroplane's wing, propeller and engine think they are at. Enter field elevation, the…
- Pressure Altitude CalculatorICAO Standard Atmosphere (ISO 2533)Pressure altitude is your height above the standard datum plane — the altitude your altimeter shows with 29.92 inHg (1013.25…
- True Airspeed (TAS) CalculatorICAO Standard Atmosphere (ISO 2533), compressible-flow airspeed relationsYour airspeed indicator measures dynamic pressure, not speed. As you climb into thinner air the same dynamic pressure…
Which one do you need?
- Density Altitude Calculator
- Compute density altitude from field elevation, altimeter setting, temperature and dew point. See pressure altitude, ISA deviation and relative air density.
- Pressure Altitude Calculator
- Convert field elevation and altimeter setting into pressure altitude in feet. Get station pressure, the altimeter correction and the flight-level equivalent.
- True Airspeed (TAS) Calculator
- Convert calibrated airspeed to true airspeed using pressure altitude and temperature. Get Mach number, equivalent airspeed, density ratio and speed of sound.
