Ovulation Predictor

Here is a free ovulation predictor / due date calculator script. You can download it from here and install it on your site very easy. See how the calculator looks and works below:

Please select the first day of your last menstrual period: JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember / 12345678910111213141516171819202122232425262728293031 / 200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050 Usual number of days in your cycle: 2021222324252627282930313233343536373839404142434445

Questions and Comments (9)

This due date and ovulation calculator is fully functional. If you want to check your most fertile period and due date, yu can do it. The instructions below are for webmasters who want to use this predictor on their websites for free.

Ovulation Predictor Installation

Once downloaded the above script, unzip it and upload it somewhere in your web host. It's just one single PHP script so all you need to do is to upload it. Then put the following PHP code in your web page:

<?php
require("ovulation-predictor.php");
?>

That's all! Note that if you put the calculator in a folder, you need to give the relative path to it.

You can customize the CSS and the design by directly modifying the PHP code in the script. Some very basic PHP knowledge may be needed to avoid messing the code.

This ovulation predictor script is completely free and you can do everything you want in it. There are no obligations at all. There is a link to this page at the bottom, but if you wish to remove it, that's ok (I will however appreciate if you leave it there as is).

Ovulation Predictor Wordpress Plugin

This calculator is now available also as wordpress plugin. You can find it here.

If you are looking for similar scripts online check this investment calculator and this overweight calculator.