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Ovulation Date Calculator & Calendar

Do you want to raise your success when trying to conceive? If so, then one of the most important things that you will want to know is when you are ovulating.

Ovulation is the phase in your menstrual cycle when you are most fertile. It is when your ovary 
releases an egg. Knowing when you are ovulating can help increase your chances of conceiving.  This handy ovulation calculator can help you do just that.

Signs of Good Fertility

You and your partner have decided to conceive. So, how do you know if you are fertile? Here are some signs:

  • A predictable menstrual cycle - When your menstrual cycle is regular, it means that you likely have regular ovulation, which is essential for conceiving. This is one of the most important signs when it comes to fertility.
  • You have gotten pregnant before - Women who are fertile may find in easier to conceive. If you are younger than 40, having conceived in the past in a sign that you are fertile.
  • You can easily track ovulation - If you are able to track your cycle length and predictability, it means that you are likely fertile. An ovulation calendar or calculator can help you do just that.

What Is An Ovulation Calculator?

An ovulation calculator is a tool that can help you determine when you are ovulating or your most fertile days of the month.

This tool is very helpful because it can be difficult to tell when you are ovulating otherwise. 
That is because each woman’s menstrual cycle is different. Ovulation cycles can also be different from month to month for the same woman.

How Does Ovulation Calculator Work?

There are approximately six days during your menstrual cycle when you can conceive. This is when you are ovulating.  Use the calculator above to predict your ovulation and the days that you are likely to be fertile.


Ovulation Predictor Calculator

Please select the first day of your last menstrual period:

Usual number of days in your cycle:

Here are the results based on the information you provided:

Your next most fertile period is {{ fertileFrom}} to {{ fertileUntil}}.

If you conceive within this timeframe, your estimated due date will be {{dueDate}}.

*Average length will vary by woman. **A woman's best days to conceive can start at least one day prior and last at least one day after fertile date.

FAQs on Ovulation Calculator

Here are answers to some of the most common questions that we get about ovulation.

What Are Your 5 Most Fertile Days?

Your most fertile days are the five days right before you ovulate, as well as the day that you ovulate. It's also possible to achieve pregnancy on the day after you ovulate, as well.

How Many Days After My Periods Will I Ovulate?

If you have a typical 28-day menstrual cycle, ovulation typically starts around 10-14 days after your last menstrual cycle or 14 days before your next period starts.

What Are the Signs of Ovulation?

Some common signs of ovulation include:

  • Breast tenderness
  • Increased sexual desire
  • Increase in basal body temperature
  • A change in your vaginal discharge or cervical mucus - It may appear more clearer and thinner than normal

How Many Hours Does Ovulation Last?

Ovulation usually lasts for just 12-24 hours. However, you have a window of approximately six days in which you are most likely to become pregnant.

Is It Best To Conceive in the Morning or at Night?

The morning may be your best time to get pregnant. That is likely because the body regenerates the sperm lost during the day. According to research, the best time to conceive is before 7:30 in the morning. It appears that sperm are healthiest during the spring. The same research study found that more couples conceived during March, April, and May.