Windsurfing Calculator
Calculate optimal sail, board, and fin sizes for windsurfing based on rider weight, wind conditions, and skill level
Calculate Windsurfing Equipment
Your body weight affects equipment sizing
Current or expected wind conditions
Your windsurfing skill level
Learning stability vs. planing performance
Different styles require different board characteristics
Fin style affects control and performance
Advanced Rider Characteristics
Equipment Recommendations
Sail
Board
Fin
Calculation method: Based on J. Douglass windsurfing formulas, considering rider weight, wind conditions, and equipment type
Recommendations:
- • Long fin provides excellent upwind performance
Equipment Analysis
Example Setup
Intermediate Rider
Weight: 75kg (165lbs)
Wind: 18 knots
Level: Intermediate
Goal: Planing and jibing
Equipment Results
Sail: ~5.8m²
Board: ~98L volume
Fin: ~38cm depth
Style: Freeride setup
Wind Speed Guide
Light Wind
8-12 knots
Beginner friendly, larger equipment
Moderate Wind
13-18 knots
Perfect for planing and learning
Strong Wind
19-25 knots
Advanced sailing, smaller equipment
Very Strong
25+ knots
Expert only, storm sails
Windsurfing Tips
Start with larger equipment for stability
Learn to plane before downsizing
Match sail and board sizes appropriately
Consider local wind patterns
Practice in different conditions
Understanding Windsurfing Equipment Selection
Sail Size Calculation
Sail size is determined by the relationship between rider weight, wind speed, and desired performance. The J. Douglass formula provides a scientific approach to matching sail area with conditions for optimal power and control.
Key Factors
- •Rider weight affects required sail power
- •Wind speed determines available power
- •Skill level influences equipment stability needs
- •Board volume affects early planing ability
Equipment Relationships
Sail & Board
Larger sails need more board volume for early planing
Board & Fin
Board style determines optimal fin characteristics
Fin & Performance
Fin size affects control, speed, and maneuverability
Note: These are starting recommendations. Personal preference, local conditions, and specific equipment characteristics may require adjustments.