Disclaimer: This calculator does not release you of your responsibility to anchor safely, it does not replace experience nor good seamanship!

Vessel weight lbs
Vessel length feet
Chain size Max feet
Wind strength knots
Anchor depth + feet
Seabed angle °
Swell energy    or    Vessel velocity @ ⚓
Joule       knots

Chain length feet
Bow swinging circle feet
Anchor load lbf Angle °
Bow load lbf Angle °
Snubber stretch feet %
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