Easter Calculator

Created by Davide Borchia

Last updated: Jun 22, 2022

The date of Easter is defined as the first Sunday after Passover - where Passover is calculated using the old method, changed in about 325 AD. This means it is the first Sunday, after the first full moon, after the March equinox (although nowadays, March 21st is used instead of the equinox).

Davide Borchia

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BSA

Various empirical equations have been developed to determine the human body surface area from the weigth and height. Some of the more popular methods are calculated here. The CalcTool unit menus allow you to enter and output values in whatever units you prefer.

BSA Calculator - Body Surface Area

Rainfall volume

The rainfall calculator estimates the volume of water based on the catchment area and rainfall depth.

Rainfall Calculator