About this calculator
Simple pendulum period T = 2π√(L/g) and frequency from string length.
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Period and frequency from length.
Input Parameters
Calculation Summary
Simple pendulum period T = 2π√(L/g) and frequency from string length.
Formula holds for swings under ~15°.
About 2.007 s on Earth.
Same pendulum swings ~2.5× slower in lunar gravity.