# Period of the pendulum Calculator

## Calculates the period of the pendulum.

 Pendulum angle α degree String's length l m [ Gravity g m/sec2 ] 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit Period of a pendulum T sec
 $\normal Period\ of\ the\ pendulum\\(1)\ T=4\sqrt{\large\frac{l}{g}}{\large\int_{\small 0}^{\hspace{25}\frac{\pi}{2}}\frac{d\phi}{\sqrt{1-sin^2({\large{\frac{\alpha}{2}}})sin^2\phi}}}\\\hspace{40}=4\sqrt{\large\frac{l}{g}}K(sin{\large\frac{\alpha}{2}})\\[10]\hspace{25} K:\ 1st\ complete\ elliptic\ integral\\$

Period of the pendulum
 [1-4] /4 Disp-Num5103050100200
[1]  2018/11/04 07:19   Male / 40 years old level / Self-employed people / Very /
Purpose of use
Adjust mechanical tower clock
[2]  2015/07/05 16:17   Male / 60 years old level or over / A retired people / Very /
Purpose of use
Calculate period of megalithic yard (in sidereal seconds)
Comment/Request
Thank you - my answer was exactly what I expected and much better precision
[3]  2009/10/29 06:40   Female / Under 20 / A high school student / Very /
Comment/Request
it was effective
[4]  2009/08/20 01:26   - / 50 level / Others / Very /
Purpose of use
reference/resource/assessment
Comment/Request
fast and accurate...excellent!

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