Free online Ovulation Calculator

Use the Ovulation Calculator to find out when your ovulation date is, and increase the likelihood of getting pregnant. The Ovulation Calculator shows your fertile days - keep in mind that you are most fertile on your ovulation date.

How to use the Ovulation Calculator

On average, there are 28 days in a menstrual cycle - it can last from as little as 22 to as many as 44 days. The Ovulation Calculator gives you the approximate ovulation date, but if your cycle is irregular the results may be less accurate.

Top calculators: Pregnancy Calculator   Mortgage Qualification Calculator   See All Calculators

Want to use this calculator on your site?

The non-exclusive license to use this calculator on ALL of your websites is just $29.95.
for the payment details and we'll prepare the script and a sample page for you to use.

Cannot find the calculator you need for your site?

- we might be working on one right now :)

Want to design your own calculators?

Create your own calculators effortlessly and in no time with JavaScript Editor. It is a versatile tool which can handle anything from coding tiny tools to designing entire sites like stock trading software.