Free Crosswind Calculator

Break reported wind into crosswind and headwind/tailwind components for your runway.

Enter wind data
Headwind (+)
Tailwind (−)
Crosswind = Wind speed × sin(angle). The "clock code" trick: a 60° angle ≈ 90% of wind is crosswind; 30° ≈ 50%; 45° ≈ 70%. Check your aircraft & POH' published max demonstrated crosswind.