Lift-to-drag ratio Calculator

The lift-to-drag ratio (L/D ratio) is a measure of the efficiency of an aircraft or any aerodynamic object. It’s calculated by dividing the lift force generated by the object by the drag force acting upon it. 

Where:

  • Lift is the force perpendicular to the direction of motion, typically generated by the wings of an aircraft.
  • Drag is the force parallel to the direction of motion, opposing the motion of the object.

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