🌊 Advanced Windsurfing Calculator 🌬️
15 knots
Recommendations (US Standards)
Sail Size: - m²
Board Volume: - liters
Fin Size: - cm
Factor Information (US Standards)
Wind Speed Guidelines
10-15 knots: Light wind - Larger sails (7.0-9.0m²)
16-25 knots: Moderate wind - Medium sails (5.5-7.0m²)
26+ knots: Strong wind - Small sails (3.7-5.5m²)
Weight/Sail Ratio
US Standard: 1kg = 0.5m² sail area
Example: 175lbs (79kg) = 6.5-7.5m² base sail
Board Volume Guide
Beginner: Weight(kg) × 2.5 = Volume(liters)
Advanced: Weight(kg) × 1.5 = Volume(liters)