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Windsock Calculator
Estimate wind velocity and windsock extension based on FAA standards
Aviation Standard: According to FAA regulations, a fully extended windsock horizontal to the pole indicates a wind speed of $15\text{ knots}$ ($17\text{ mph}$) or greater. Enter your wind speed below.
Wind Speed Input
Calculation Results
⚠️ A windsock completely limp and hanging downward indicates calm winds below $3\text{ knots}$ ($3.5\text{ mph}$)!