Period Calculator

Written by Moksha Gandhi, BPharm, Certified Health & Wellness Coach Moksha Gandhi BPharm, Certified Health & Wellness Coach linkedin_icon Experience: 2 years
Edited by Arshiya Syeda, BA (Literature & Psychology), PG Diploma Arshiya Syeda BA (Literature & Psychology), PG Diploma linkedin_icon Experience: 8 years
Fact-checked by Himanshi Mahajan, BSc (Life Sciences), Certified Health & Nutrition Life Coach Himanshi Mahajan BSc (Life Sciences), Certified Health & Nutrition Life Coach linkedin_icon Experience: 2 years
Last Updated on

The menstrual period calculator and calendar is your ally for predicting and managing your menstrual cycle. No more surprises, as this tool will help you anticipate when Aunt Flo comes to visit. This tool notes the dates when your period starts and ends to better understand your body’s rhythm. A menstrual period calculator can be a beneficial tool. It can help you understand your body better, keep track of your reproductive health, and plan your life around your period. This can help you feel less stressed and more in control. With its user-friendly features, you will be ready to tackle every cycle with confidence and control. Keep reading to know how this simple yet empowering tool can revolutionize the way you approach your menstrual cycle.

The menstrual period or menstruation refers to the vaginal bleeding that is part of a woman’s monthly cycle. This occurs when the egg is not fertilized. The body sheds the endometrium (the lining of the uterus), causing bleeding. The bleeding lasts for three to five days. The menstrual cycle is a series of changes that occur in a woman’s body as part of the preparation for a possible pregnancy. It is a cycle that usually begins between 12 and 15 years of age and continues until menopause, which, on average, occurs at the age of 52 (1).

  • Last Menstrual Period:
  • Menstrual Cycle Length :
  • How Many Days Did It Last:
Lmp Date :
Your Cycle :
Period Last Days :
Next Period BeginsEndsFertility BeginsOvulationDue date
(If Pregnant)
Fertild Days  Fertile Days- Medium Chance Of Pregnancy
Ovaulation Day   Ovulation day - Highest Chance Of Pregnancy
   Period Days - Probably Infertile
  Safe Days- Low Chance of pregnancy
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How To Calculate The Menstrual Cycle

Menstruation typically occurs in 28-day cycles. Hence, most women get their period every 28 days. In some cases, it ranges between 21 days to 40 days and differs from woman to woman (2).

A menstruation or period calculator determines when your next period is due based on a 28-day menstrual cycle. All you need to do is enter the date when your last menstrual bleeding began, and the calculator will tell you when to expect your next period.

How Do I Calculate When My Next Period Will Be?

The period tracker or period predictor can help you track your menstrual cycle and answer the question ‘When is my next period due?’ You need to enter the starting date of your period in a month.

The period tracker calculates the average length of your past three menstrual cycles, which helps in predicting the start date of your next period. Once three months have been logged, this ‘next period’ calculator can predict your future period dates, calculate your ovulation and fertile days, and also predict your moods and symptoms in a month-view calendar.

How To Calculate How Many Days Between Periods?

With the period calculator, you can always be prepared for your upcoming period and know in advance when you will be ovulating. You will not be surprised when it’s that time of the month as the period calculator ensures you know exactly when to expect your next period.

Keeping monthly track of your period and other symptoms helps the calculator determine when you are ovulating and anticipate your period, so you can feel fresh and prepared every day of your menstrual cycle.

Why Is It Important To Track The Menstrual Period?

It is important to track your menstrual period so that you are not caught unprepared. Tracking periods can help you plan your lifestyle, fertility period, vacation, and social or work-related activities too. It can be a big help for women with PCOS and endometriosis to track their unpredictable cycles. This way, they can tell their doctors about any changes more precisely.

When it comes to pregnancy, a missed period often rings the first alarm. That’s why keeping an eye on your cycle can make you catch a possible pregnancy early. If you are aiming to get pregnant, knowing your cycle can help you predict when you will be ovulating. Ovulation is when the chances of conceiving are the highest if you are not using birth control.

How Many Days After Your Period Do You Ovulate?

Around 14 days before your period begins, an ovary releases an egg (ovulation). Your cycle starts on the first day of your period when you start bleeding. For a 28-day cycle, ovulation usually happens between Day 10 and Day 15. Since periods last about 3 to 5 days on average, ovulation typically occurs 6 to 11 days after your period ends (3).

You are most fertile at the time of ovulation (when an egg is released from your ovaries), which usually occurs 14 days before your next period starts. This is the time of the month when you are most likely to get pregnant. It is unlikely that you will get pregnant just after your period, although it can happen (4). The safe period is the duration of a few days just before and just after your period. The safe period calculator helps you predict the same.

How Long Do Periods Last?

Most periods vary in terms of flow (light, moderate, or heavy), and the length can vary from about 2 to 7 days. With age, the cycle usually shortens and becomes more regular (1).

The menstrual period calculator and calendar tool is your ticket to predictability, allowing you to plan your life around your cycle. You gain insight into your body’s patterns by keeping track of your period. With just a few clicks, this user-friendly calculator helps you anticipate your next cycle, fertile days, and more. Whether it’s managing symptoms or planning your schedule, this tool is all about putting you in control. Use this calculator to simplify your relationship with your menstrual cycle.


Frequently Asked Questions

What factors may affect a woman’s menstrual cycle?

Stress, weight gain, smoking, birth control pills, recent illness, certain medicines, and hormonal changes may affect a woman’s menstrual cycle
(5).

Can you speed up your menstrual cycle?

Yes, anecdotal evidence suggests that sex or exercise may help speed up the menstrual cycle and make your period come earlier. Certain prescription drugs can also help speed up the menstrual cycle.

How to track your period manually?

You can track your period manually by keeping a note of the start and end dates of your menstrual cycle each month. You can use a notebook or a calendar for this purpose. After doing this over a few months, you may begin to notice the unique length of
your menstrual cycle and get better at predicting when your next period is due.

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Moksha Gandhi
Moksha GandhiHealth & Wellness Writer
Moksha is a health and wellness writer and a certified diet and nutrition coach. Her passion for science and writing has helped her excel in crafting evidence-based articles. Her previous experience in writing science-based research papers ensures that her articles are grounded in research and provide practical tips that are reader-focused.

Read full bio of Moksha Gandhi
Arshiya Syeda
Arshiya SyedaCo-Editor-in-Chief
Arshiya Syeda is the Co-Editor-in-Chief of StyleCraze with 8 years of experience. Prior to that, she was a content writer who combined her writing and research skills to write over 200 high-performing articles on hairstyles, hair care, and skin care.

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Himanshi Mahajan
Himanshi MahajanHealth & Wellness Writer
Himanshi Mahajan is a Certified Health & Nutrition Life Coach. She has a bachelor’s degree in Life Sciences from Guru Nanak Dev University and two years of experience in writing SEO-based and research-backed content across health and lifestyle genres.

Read full bio of Himanshi Mahajan