Slider-Crank Mechanism Calculator

Calculate piston displacement, velocity, and acceleration for a slider-crank mechanism at any crank angle.

Radius of the rotating crank.
mm
Length of the connecting rod. l > r.
mm
Current angle from TDC.
degrees
Rotational speed of the crank.
rpm

Results

Piston Position from TDC-mm
Piston Velocity-m/s
Piston Acceleration-m/s²
Rod Ratio (r/l)-
References: Norton — Design of Machinery; Shigley's — Kinematics