⚓ Anchor Size Calculator

Anchor Size & Rode Calculator

Find the right anchor type, weight, rode length, and chain size for your boat in seconds.

Recommendation

Recommended Anchor Type-
Recommended Anchor Weight-
Recommended Chain Length-
Total Rode Needed (7:1 scope)-

Anchor Type Ratings for Your Bottom

Anchor TypeBest ForRating

Estimates only — general boating guidance based on common rules of thumb (approx. 1 lb of anchor per foot of boat length, adjusted for anchor type and bottom holding power; 1 ft of chain per foot of boat length; 7:1 scope ratio for rode in normal conditions, use 5:1 in calm/sheltered water and 10:1+ in storms). Always consult your boat manufacturer and local conditions before anchoring.