As a general rule of thumb, the length of the rod anchor line should be 7-10 times the depth of water in which it anchors. An anchor in a boat doesn’t let the drop drift in the water. The length of the rod anchor line matters a lot to save the boat from drifting. The length depends on the depth of the water. It should be 7-10 times the depth of the water in which it is being anchored.
