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Beam-to-Length Ratio Calculator

Analyze boat proportions and performance characteristics

Quick Samples
Try these common configurations to get started

35ft Racing Sailboat

40ft Cruising Sailboat

28ft Sport Cruiser

Hull Dimensions
Enter your boat's principal dimensions
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About This Tool
This calculator helps analyze a boat's proportions. The beam-to-length ratio is a key factor in determining a boat's stability, speed potential, and interior volume.

Key Concepts:

Beam/LOA Ratio: The ratio of maximum beam to length overall.
Performance Trade-offs: Narrow boats are faster, wide boats are more stable.
Frequently Asked Questions

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