This calculator will determine the fall factor and impact force on a climber. The fall factor is the ratio of the distance you fall to the length of the rope. The highest fall factor possible is a 2, which puts the maxmimum strain on your rope. A fall factor of 1 is moderate, and a fall factor of less than 1 is light. Dynamic rope considerably decreases the shock a climber feels because it has the ability to stretch and absorb more of the force.