Calculate pendulum period from length.
The pendulum period for Pendulum depends only on length and gravity at small angles, so longer pendulums swing slower regardless of the bob's mass. A pendulum's period is set by geometry and gravity alone, which is why it became a reliable clock.
Pendulum
T = 2*pi*sqrt(L/g); large amplitude adds a small correction
T = 2*pi*sqrt(L/g); large amplitude adds a small correction The pendulum period for Pendulum depends only on length and gravity at small angles, so longer pendulums swing slower regardless of the bob's mass.
A pendulum's period is set by geometry and gravity alone, which is why it became a reliable clock.
This calculator takes 3 inputs: Length, Gravity, Amplitude. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.