Effect of Gravity As the time period of simple pendulum is given by T 2pi sqrt frac l g The time period of a simple pendulum is inversely. The time period of. What Are The Difference Between Simple Pendulum And Compound Pendulum Pendulum Make It Simple Simple A Calculate the period of a pendulum that has a length of 20 cm and is located in Milano. . Enter the unknown value as x Length L m Acceleration of Gravity g m s2 Period T s Answer Simple Pendulum Calculator. A pendulum behaves as a simple harmonic oscillator. Determine the period of the pendulum in seconds and the length of the pendulum in meters. First you will need to convert the units to SI it is meters. Simple Pendulum Calculator Formula. Rule of thumb for pendulum length edit gives If SI units are used ie. 20 cm 02 m Second you will need to. Substitute the period into. We have the length and period of the pendulum from the problem.