Displacement to Length Ratio Calculator

Calculate your boat's displacement-length ratio to understand its performance characteristics.

kg
m

Understanding DLR

  • <100: Ultralight racing boats
  • 100-200: Light displacement cruiser/racers
  • 200-300: Medium displacement cruisers
  • >300: Heavy displacement traditional cruisers

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Hull speed, design ratios, prop sizing and stability. Standard formulas, done right. From A$24.99 (approx. US$15).

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