Women's Health, Pregnancy & Wellness Calculators
Every free calculator and wellness tool from The Women's Sphere — for your cycle, pregnancy, postpartum, hydration, glow up, and even baby names.
Menstrual Cycle Calculators
Track your period, cycle length, ovulation, and luteal phase — and understand what your cycle is telling you.
Menstrual Cycle Calculator
Log periods and predict your next cycle, ovulation, and fertile window.
Period Calculator
Estimate your next period start date and length.
Menstrual Cycle Length Calculator
Find your average cycle length from past period dates.
Menstrual Phase Calculator
See which phase of your cycle you're in today.
Luteal Phase Calculator
Measure your luteal phase length and what's typical.
Cycle Nutrition Planner
Eat in sync with each phase of your cycle.
Pregnancy Calculators
From due dates to weekly milestones — pregnancy tools tuned for women's bodies.
Pregnancy Due Date Calculator
Estimate your due date from your last period.
Due Date Calculator by LMP
Calculate due date using last menstrual period and cycle length.
Due Date Calculator by Conception
Calculate due date using known conception or ovulation date.
Due Date Calculator by Ovulation
Calculate due date using tracked ovulation date.
Pregnancy Week Calculator
How many weeks pregnant am I? Calculate by LMP or due date.
Trimester Tracker
Find out what trimester you are in and what to expect.
Breastfeeding Calorie Calculator
TDEE plus lactation load for nursing moms, with weight-loss option.
Breast Milk Calculator
How much expressed breast milk does your baby need per day?
Pregnancy Week-by-Week Tracker
See your current week, trimester, and baby's development.
Pregnancy Symptom Checker
Common pregnancy symptoms by week and what they mean.
Pregnancy Water Intake Calculator
Daily hydration goal by weight, trimester, and activity.
Pregnancy Tracker Tool
Log symptoms, weight, and milestones throughout pregnancy.
Pregnancy Resources by State
Medicaid coverage and paid family leave status, state by state.
Breastfeeding & Postpartum Calculators
Hydration, recovery, and routines designed for nursing and postpartum mothers.
Breastfeeding Water Intake Calculator
Daily hydration goal tuned for breastfeeding moms.
Breast Milk Calculator
Estimate expressed breast milk needs by weight and age.
Breastfeeding Calculator
Track feedings, intervals, and milk intake.
Hormonal Wellness Analyzer
Understand postpartum hormone shifts and symptoms.
Burnout Recovery Planner
Rebuild your energy after exhaustion and overwhelm.
Wellness & Body Calculators
Hydration, BMI, fitness, and meal planning to support your everyday wellbeing.
Water Intake Calculator for Women
Personalized daily hydration target for women.
BMI Calculator (Metric)
Calculate BMI in cm and kg.
BMI Calculator (Imperial)
Calculate BMI in feet, inches, and pounds.
Sleep Cycle Calculator
Plan bedtimes around full 90-minute sleep cycles.
Fitness Planner
Build a personalized weekly workout plan.
Meal Planner
Plan balanced meals for energy and hormones.
Glow Up & Self-Care Tools
Plans, prompts, and trackers to help you feel better, look better, and live better.
30-Day Glow Up Plan
A full month of habits, beauty, and mindset work.
7-Day Glow Up Plan
A one-week reset for body, skin, and mindset.
30-Day Self-Care Challenge
Daily self-care prompts for a full month.
Morning Routine for Glow Up
A simple morning routine that builds confidence.
Night Routine for Women
Wind-down ritual for better sleep and skin.
Skincare Glow Up Checklist
Step-by-step skincare reset.
Mental Glow Up Journal Prompts
Prompts to rewire confidence and self-talk.
Gratitude Journal
Daily gratitude prompts and tracking.
Affirmations Tool
Personalized affirmations for any season of life.
Baby Name Tools
Discover cute, unique, biblical, and modern baby names with meanings.
Baby Name Generator
Discover names you haven't heard before.
Baby Girl Name Generator
Beautiful name ideas just for girls.
Unique Baby Girl Names
Rare and uncommon girl names with meanings.
Cute Baby Names with Meanings
Sweet, gentle names and what they mean.
Modern Baby Names 2026
Fresh, trending name ideas for 2026.
Biblical Baby Names for Girls
Faith-inspired girl names with meanings.
African Baby Girl Names & Meanings
African girl names rich in heritage.
How to Use These Tools
Get the most accurate results from every calculator on this page.
1.Pick the tool that matches your question
Use the section jump-links above. If you're tracking your period, start with the Menstrual Cycle Calculator. If you're pregnant, start with the Due Date Calculator.
2.Have your dates ready
Most cycle and pregnancy calculators ask for the first day of your last period. Pull up your calendar or period app before you start.
3.Track for at least 2–3 cycles
Cycle estimates get more accurate over time. Track a few months in a row to see your true average.
4.Save your results
Bookmark this hub or save your answers in your phone notes so you can compare month to month.
Important Health Disclaimer
The calculators and wellness tools on The Women's Sphere are for general information, tracking, and education only. They are not medical devices and they do not provide medical advice, diagnosis, or treatment. Estimates (including period dates, ovulation, due dates, hydration targets, and BMI) can vary from person to person and may be affected by health conditions, medications, stress, lifestyle, and life stage.
Always speak with a qualified healthcare provider for personal medical guidance — especially during pregnancy, postpartum, when trying to conceive, or if you notice sudden changes in your cycle, symptoms, or mental health.
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