You can use these calculators to calculate canopy size, wing load, shock force, and free fall simulation.
Canopy Size and Wing Load Calculators
Experienced skydivers, use the calculators below to determine a recommended minimum canopy size.
Parachute Jump Calculation
Rock Climbers Shock Force Calculator
This calculator will determine the fall factor and impact force on a climber, given specifications of rope, weight, and distance from last anchor.