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Anchor & Chain Calculator

Calculate proper anchor and chain sizing for safe anchoring

Quick Samples
Try these common configurations to get started

30ft Cruising Sailboat

25ft Powerboat

40ft Offshore Cruiser

Hull Dimensions
Enter your boat's principal dimensions
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About This Tool
The Anchor & Chain Calculator is a vital tool for ensuring the safety of your vessel at anchor. It provides estimates for the appropriate anchor weight, chain size, and rode length (scope) based on your boat's characteristics and the expected conditions. A properly sized anchoring system is critical for holding your boat securely and preventing dragging.

Key Concepts:

Anchor Weight: Primary factor in holding power, sized to boat length
Chain Size & Catenary: Weight of chain helps anchor set and absorb shock
Scope: Ratio of rode length to depth, crucial for holding angle
Holding Power: The maximum force the anchor can withstand before dragging
Frequently Asked Questions

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