Landing Distance Calculator

Estimate landing ground roll and total distance.

From POH at sea level, standard day
Use negative for tailwind (avoid if possible!)
+ uphill, - downhill

Landing Distance Factors

  • Altitude: +3.5% per 1,000 ft DA (TAS higher)
  • Temperature: Included in density altitude
  • Tailwind: +10% per 2 knots (avoid!)
  • Wet runway: +40% for braking
  • Downhill slope: -5% per 1% downhill