Simple Pendulum Calculator

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Calculates the period and frequency of a simple pendulum based on its length and gravity.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Pendulum Length and Gravity (g) in the units shown.

Step 2

Read Period (T) and Frequency (f) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Pendulum Length: 0.5 meters; Gravity (g): 9.81 m/s²

Period (T): 1.418503353 seconds; Frequency (f): 0.7049683722 Hertz

Pendulum Length: 1 meters; Gravity (g): 9.81 m/s²

Period (T): 2.006066681 seconds; Frequency (f): 0.4984879165 Hertz

Pendulum Length: 2 meters; Gravity (g): 9.81 m/s²

Period (T): 2.837006707 seconds; Frequency (f): 0.3524841861 Hertz

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