Use this calculator for flight-planning study or a first-pass cross-check when all inputs describe the same aircraft, atmospheric condition, and phase of flight.

Wind angle (°)

Angle between wind and course or runway; zero is a direct headwind.

Wind speed (kt)

Wind speed.

Compute the signed headwind component of a wind; negative values are tailwinds. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Headwind (kt)

Headwind component; negative means a tailwind of that size.

• Do not use a generic calculator in place of the current aircraft flight manual, approved performance data, operating limitations, NOTAMs, weather, or regulations. Real performance changes with configuration, runway condition, altitude, temperature, wind, loading, and technique.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Cross-check the result against the aircraft flight manual or approved planning system, then apply the required safety margins. Keep signed wind, heading, altitude, speed, and fuel conventions explicit.

• Tailwind Component Calculator

  Compute the signed tailwind component of a wind at an angle to the course; positive values are tailwinds.

• Quartering Wind Component

  Resolve reported wind-from direction and speed against a runway heading. Positive headwind means wind from ahead; a negative value is a tailwind. Signed crosswind is relative to the heading and should be interpreted with local runway convention.

• Total Wind Component Calculator

  Combine signed headwind and crosswind components into the total wind magnitude.