Free women’s health
calculators & tools
Ovulation calculator, due date tracker, period predictor, IVF success estimator, menopause tools, salary negotiation calculator & 93 more — all free, instant, and private.
All calculators
Accurate, clinical-based tools and estimators for your health, wellness, and career.
Ovulation Calculator
Predict your ovulation date and fertile window based on your cycle.
Try it free →Due Date Calculator
Calculate your estimated due date from LMP, conception date, or IVF transfer.
Try it free →IVF Success Rate Estimator
Estimate IVF live birth probability based on age and clinical factors.
Try it free →Fertile Window Calculator
See your next 3 fertile windows based on cycle length and luteal phase.
Try it free →PCOS Risk Quiz
Screen for PCOS risk based on symptoms, cycle patterns, and lifestyle.
Try it free →AMH Level Interpreter
Interpret your AMH blood test result against age-adjusted reference ranges.
Try it free →BBT Shift Analyser
Detect ovulation from your basal body temperature shift pattern.
Try it free →Ovarian Reserve Estimator
Composite ovarian reserve score using age, AMH, AFC, and FSH.
Try it free →Clomid Ovulation Calculator
Plan your Clomid cycle with expected ovulation window and IUI timing.
Try it free →Sperm Health Score
Score a semen analysis against WHO 2021 reference values.
Try it free →Endometriosis Pain Tracker
Log and track pain severity for your gynaecologist appointment.
Try it free →Implantation Window Calculator
Find your implantation window and earliest reliable pregnancy test date.
Try it free →Miscarriage Risk Estimator
Evidence-based pregnancy loss risk by age, gestation, and history.
Try it free →Egg Freezing Success Estimator
Estimate future IVF success probability from eggs frozen at your age.
Try it free →Fertility Age Calculator
Compare your reproductive age to your chronological age using AMH.
Try it free →Pregnancy Weight Gain Calculator
Healthy weight gain ranges for your BMI and pregnancy type.
Try it free →Kick Counter
Count baby kicks and check if movement is within normal range.
Try it free →Contraction Timer
Analyse contraction frequency and duration — know when to go in.
Try it free →Gestational Diabetes Risk
Screen your risk of gestational diabetes based on BMI, age, and history.
Try it free →Twin Pregnancy Due Date
Estimated delivery date for DCDA, MCDA, and MCMA twin pregnancies.
Try it free →Baby Size by Week
See your baby's estimated size, weight, and fruit comparison each week.
Try it free →Pregnancy Nutrition Calculator
Personalised calorie and nutrient targets for each trimester.
Try it free →C-Section Recovery Timeline
Personalised recovery milestones for caesarean section.
Try it free →Trimester Timeline Planner
Full pregnancy timeline with key scan, test, and milestone dates.
Try it free →Baby Growth Percentile
Plot your baby's weight against WHO growth standards by age and sex.
Try it free →Postpartum Wellbeing Screener
Screening tool for postpartum depression and anxiety symptoms.
Try it free →Breastfeeding Calorie Calculator
Daily calorie and nutrient needs while breastfeeding.
Try it free →Baby Medicine Dosage Guide
Estimate paracetamol/ibuprofen dose by baby's weight and age.
Try it free →Childcare Cost Estimator
Monthly and annual childcare costs with free-hours entitlement.
Try it free →Baby Sleep Schedule Guide
Age-appropriate nap schedule and total sleep recommendations.
Try it free →Nappy Cost Calculator
Monthly, annual, and total nappy costs until potty training.
Try it free →Breastfeeding Tracker
Log daily feeds and check against age-appropriate frequency guidelines.
Try it free →Period Tracker
Predict your next period and understand your current cycle phase.
Try it free →Hormone Balance Score
Score your hormonal balance based on energy, mood, sleep, and cycle.
Try it free →Cycle Syncing Workout Guide
Best workouts and nutrition for each phase of your menstrual cycle.
Try it free →Period Flow Volume Tracker
Estimate your total period blood loss and check for heavy bleeding.
Try it free →PMS Symptom Tracker
Score PMS severity and screen for PMDD.
Try it free →Luteal Phase Calculator
Calculate your luteal phase length and screen for luteal phase defect.
Try it free →Estrogen Dominance Score
Assess your risk of estrogen dominance from symptoms and lifestyle.
Try it free →Cortisol Stress Index
Score chronic cortisol load from sleep, stress, and exercise patterns.
Try it free →Thyroid Function Estimator
Screen for hypo/hyperthyroid tendency based on symptoms.
Try it free →Perimenopause Symptom Checker
Assess likelihood of perimenopause from age, symptoms, and cycle changes.
Try it free →Hot Flash Burden Tracker
Score daily hot flash burden and explore trigger-reduction strategies.
Try it free →Bone Density Risk Score
Screen osteoporosis risk from age, menopause duration, and calcium intake.
Try it free →Metabolic Shift Calculator
See how your BMR has shifted with age and adjust your TDEE.
Try it free →Libido Shift Tracker
Track libido changes over time and identify potential hormonal causes.
Try it free →HRT Risk-Benefit Assessment
Weigh the benefits and risks of HRT based on your symptom severity and history.
Try it free →Biological Age Test
Estimate your biological age from sleep, exercise, stress, and diet.
Try it free →Collagen Loss Estimator
Estimate cumulative collagen loss and best evidence-based interventions.
Try it free →FSH Level Analyser
Interpret your day-3 FSH result against age-adjusted reference ranges.
Try it free →Vaginal Dryness Index
Score vaginal atrophy symptoms and find appropriate treatment options.
Try it free →Sleep Debt Calculator
Calculate your accumulated sleep debt and cognitive performance impact.
Try it free →Waist-to-Hip Ratio
Calculate WHR and assess cardiovascular risk classification.
Try it free →Chronotype Quiz
Find your chronotype (morning lark, hummingbird, or night owl) and peak window.
Try it free →VO₂ Max Estimator
Estimate cardiovascular fitness from resting and max heart rate.
Try it free →Water Intake Calculator
Personalised daily hydration target based on weight, activity, and climate.
Try it free →Heart Rate Zone Calculator
Calculate all 5 heart rate training zones from age and resting HR.
Try it free →Calorie Needs Calculator
BMR and TDEE using Mifflin-St Jeor formula with activity multiplier.
Try it free →Daily Fiber Needs Calculator
Personalised daily fibre goal with best food sources.
Try it free →Step Goal Calculator
Set a realistic step goal based on current activity and health target.
Try it free →Debt Avalanche Calculator
Calculate payoff time and total interest using the avalanche method.
Try it free →Freelance Rate Calculator
Calculate your true freelance hourly and day rate to hit your income target.
Try it free →Emergency Fund Calculator
Target emergency fund size based on expenses and income stability.
Try it free →Pay Gap Calculator
Calculate your personal gender pay gap and career earnings loss.
Try it free →Side Hustle Profit Calculator
Net monthly and hourly profit from your side business after tax.
Try it free →Etsy Pricing Calculator
Recommended Etsy price covering materials, labour, overhead, and fees.
Try it free →Influencer Rate Calculator
Estimated brand deal rates based on followers, engagement, and platform.
Try it free →Savings Goal Calculator
Time to reach a savings goal with your current monthly contribution.
Try it free →Investment Growth Calculator
Compound growth projection for a lump sum plus monthly contributions.
Try it free →Monthly Budget Summary
Savings rate and budget health check from income and expenses.
Try it free →Latte Factor Calculator
The true invested value of your daily small spending habit.
Try it free →PTO Value Calculator
Know the £ value of your annual leave and what unused days cost you.
Try it free →Remote Work Savings Calculator
Annual money and time saved by working from home.
Try it free →Meeting Cost Calculator
Real cost of a meeting based on attendees, duration, and salary.
Try it free →Salary Negotiation Calculator
Opening figure, target, and walk-away number for your salary negotiation.
Try it free →True Commute Cost Calculator
Real annual commute cost including the monetary value of your time.
Try it free →Freelance Tax Estimator
Estimated UK/US/EU tax on your freelance profit.
Try it free →Productivity Peak Finder
Find your peak performance window based on chronotype and schedule.
Try it free →Notice Period Calculator
Last working day, notice pay value, and resignation tips.
Try it free →Email Productivity Drain
Hours and money lost to email each year — and how to reclaim it.
Try it free →Burnout Risk Score
Maslach-based burnout screening across exhaustion, cynicism, and efficacy.
Try it free →Boundary Strength Score
Score your personal boundary strength and get actionable steps.
Try it free →Anxiety Severity Score
GAD-4 screening for anxiety severity with evidence-based guidance.
Try it free →Social Battery Monitor
Calculate remaining social energy and recharge time needed.
Try it free →Mood Tracker Index
Track mood today vs recent average and detect significant shifts.
Try it free →Digital Detox Planner
Assess screen overuse and get a personalised detox plan.
Try it free →Breathing Exercise Guide
Box, 4-7-8, and coherent breathing session planner with guidance.
Try it free →Attachment Style Quiz
Discover your attachment style (secure, anxious, avoidant, or fearful).
Try it free →Gaslighting Awareness Checker
Identify gaslighting patterns in relationships with resource signposting.
Try it free →Panic Attack Support Tool
Real-time support tool for panic attacks with grounding techniques.
Try it free →Red Flag Checker
Identify controlling or disrespectful patterns in your relationship.
Try it free →Green Flag Relationship Score
Score your relationship health across communication, respect, and safety.
Try it free →Relationship Satisfaction Score
Gottman-inspired relationship health score across four dimensions.
Try it free →Love Language Compatibility
Compare love languages and get communication strategies for your pair.
Try it free →Libido Mismatch Score
Assess libido mismatch and explore evidence-based strategies.
Try it free →Dating App Fatigue Score
Are you burnt out from dating apps? Time to take a break?
Try it free →Prenup Fairness Checker
Basic fairness assessment of a prenuptial agreement.
Try it free →Numerology Compatibility
Life path number compatibility score for you and your partner.
Try it free →Long Distance Time Zone Tool
Best call windows and communication tips for long-distance couples.
Try it free →