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Pendulum Calculator
T = 2π√(L/g)
Solve for
Period (T)
Length (L)
Gravity (g)
Length, L (m)
Gravity, g (m/s²)
Period, T (s)
Calculate
Simple Pendulum:
T = 2π√(L/g) for small angles. The period depends only on length and gravity, not on mass or amplitude (for small swings). A 1-meter pendulum on Earth has a period of about 2.006 seconds.