International Sailing Calculator
Sail Area/Displacement Ratio: 0.00
USA Standard: 15-20 (Performance Cruiser), 20+ (Racing Boats)
Displacement/Length Ratio: 0.00
USA Standard: <200 (Ultralight), 200-275 (Light), 275-350 (Moderate)
Motion Comfort: 0.00
USA Standard: Higher values indicate more comfortable motion