Descent Rate Calculator

Calculate top of descent, required FPM, and descent distance for smooth approach planning.

Cruise Altitude (ft MSL)

Field Elevation (ft MSL)

Ground Speed (kts)

Descent Angle (degrees)

Pattern Altitude AGL (ft)

Required Descent Rate

Top of Descent

Descent Distance

Altitude to Lose

Descent Time

Rule of Thumb (3x altitude in 1000s)

Related Calculators

Speed computations.

Acceleration math.

Flight duration.

Bearing angles.

Force calculations.

Speed of sound.