Performance Landing Calculator

Landing ground roll and total distance corrected for density altitude, weight, wind, and runway condition.

Field elevation (ft)

Outside air temp (°C)

Altimeter (inHg)

Landing weight (lb)

POH reference weight (lb)

POH ground roll (ft)

POH total distance (ft)

Headwind (kts, neg=tail)

Runway (0=dry,1=wet,2=grass)

Runway gradient (%)

Vref (KIAS)

Tab to move between fields

Ground roll (ft)

650

Total over 50 ft (ft)

1,596

Factored distance (ft)2,665

Density altitude (ft)7,400

Pressure altitude (ft)5,000

Adjusted Vref (KIAS)60.4

Weight factor0.86

Wind factor1

How to Use This Calculator

Enter field elevation (ft), outside air temperature (°C), and current altimeter setting (inHg).
Set actual landing weight (lb) and the POH reference weight and ground roll distance.
Review density altitude, pressure altitude, corrected ground roll (ft), and total landing distance over 50 ft.
Compare factored landing distance to available runway length — use a 1.67 factor for wet or contaminated runways.

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