(Circumference, Ins.)2 5 = Breaking Weight, Tons

A rope should not be loaded with more than 1-3 its breaking weight.

To find Weight of Rope or Tarred Cordage.

(Circumference ins.)2 X Length, ft. 24 = Weight, lbs. Or,

(Circumference ins.)2 4 = Weight, lbs. per fathom.

To find Weight of Tarred Hawser or Manilla Rope.

(Circumference ins.)2 5 = Weight, lbs. per fathom.

To find Weight of Hawser-Laid Manilla.

(Circumference ins.)2 6 = Weight, lbs. per fathom.