Pêndulo Simples T
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Simple Pendulum Period Calculator is an online tool that calculates the oscillation period of a simple pendulum. The period is calculated using the formula T = 2π·√(L/g), where L is the pendulum length and g is the acceleration due to gravity. This formula is derived from the pendulum's equation of motion, considering only gravity as the acting force.
The calculator's operation is straightforward: just input the pendulum length (in meters) and the acceleration due to gravity (in m/s², which can be considered as 9.81 m/s² on Earth's surface) to obtain the oscillation period in seconds. The calculator uses the above formula to perform the calculation.
This calculator is useful in situations where it is necessary to determine the oscillation period of a simple pendulum, such as in physics experiments, engineering projects, or even in practical applications, like time measurement. However, it is essential to remember that the formula assumes an ideal pendulum, without friction or other dissipative forces.
A common care when using this calculator is to ensure that the units of measurement are consistent and that the value of the acceleration due to gravity is appropriate for the location where the pendulum is being used. Additionally, it is crucial to remember that the formula is a simplification and may not be accurate in real situations involving friction or other forces.
Frequently asked questions
What is a simple pendulum?
A simple pendulum is a physical system consisting of a mass attached to an inextensible string or cord, oscillating under the action of gravity.
What units should I use for length and gravity?
Length should be input in meters (m) and acceleration due to gravity in meters per second squared (m/s²).
Can I use this calculator for real pendulums?
This calculator is a simplification and assumes an ideal pendulum. For real pendulums, it is essential to consider factors like friction and other dissipative forces.
What is the standard gravity value to use?
On Earth's surface, the standard acceleration due to gravity is approximately 9.81 m/s².
How can I measure the pendulum length accurately?
The pendulum length should be measured from the suspension point to the center of mass of the hanging object.