Fertility & TTC Calculators
Ovulation tracking, fertility windows, IVF and conception tools. All free, instant, no signup.
Free Fertility & TTC Calculators — USA-Focused Tools
Our fertility calculators cover every stage of trying to conceive — from predicting your fertile window and ovulation date, to interpreting AMH blood test results, scoring IVF success probability, and planning Clomid or Letrozole cycles. All tools are built on evidence from ASRM, the CDC's ART Success Rates Report, and peer-reviewed fertility research.
In the USA, fertility treatment costs average ,000–,000 per IVF cycle without insurance. 19 US states have fertility insurance mandate laws — these tools help you understand your biology so you can make the most informed decisions about when and how to seek care. Use the calculators below to track, predict, and understand your fertility.
Ovulation Calculator
Predict your ovulation date and fertile window based on your cycle.
Due Date Calculator
Calculate your estimated due date from LMP, conception date, or IVF transfer.
Fertile Window Calculator
See your next 3 fertile windows based on cycle length and luteal phase.
IVF Success Rate Estimator
Estimate IVF live birth probability based on age and clinical factors.
PCOS Risk Quiz
Screen for PCOS risk based on symptoms, cycle patterns, and lifestyle.
AMH Level Interpreter
Interpret your AMH blood test result against age-adjusted reference ranges.
BBT Shift Analyser
Detect ovulation from your basal body temperature shift pattern.
Clomid Ovulation Calculator
Plan your Clomid cycle with expected ovulation window and IUI timing.
Sperm Health Score
Score a semen analysis against WHO 2021 reference values.
Egg Freezing Calculator
Estimate future IVF success probability from eggs frozen at your age.
Implantation Window
Find your implantation window and earliest reliable pregnancy test date.
Miscarriage Risk Estimator
Evidence-based pregnancy loss risk by age, gestation, and history.
Fertility Age Calculator
Compare your reproductive age to your chronological age using AMH.
Ovarian Reserve Score
Composite ovarian reserve score using age, AMH, AFC, and FSH.
Endometriosis Pain Tracker
Log and track pain severity for your gynaecologist appointment.