// multi-utility computation suite · offline · instant · precise
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eng.inverse-kinematics-2dof Calculator
Calculates the joint angles for a 2-DOF planar robot arm to reach a target Cartesian point using inverse kinematics. Two solutions (elbow-up and elbow-down) exist for most reachable points — inverse kinematics must specify which configuration to use.
Inputs
Link1 M
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Link2 M
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Target X M
Reference formula or conversion factor shown for context.
Target Y M
Reference formula or conversion factor shown for context.
Results
joint 1 angle θ₁ (degrees)
The magnitude or severity on the applicable scale.
joint 2 angle θ₂ (degrees)
The magnitude or severity on the applicable scale.
target reachable
Reference formula or conversion factor shown for context.