Your Pregnancy, Calculated
Free, clinically reviewed pregnancy calculators built by Samantha L. Fox, RN, BSN, MSN. From due dates to kick counts — everything you need in one place.
When is your baby due?
Quick calculation — enter your last period date
Need more options? Try our full due date calculator with IVF, conception, and ultrasound methods.
Free Pregnancy Calculators 🧮
All tools are free, mobile-friendly, and based on medically accurate formulas.
Due Date Calculator
Find your baby's due date using LMP, conception, IVF, or ultrasound
Pregnancy Test Calculator
When can I take a test? Earliest reliable urine and blood test dates
Reverse Due Date Calculator
Plan a birth month — find when to conceive for your target due date
Implantation Calculator
Estimate your implantation window and earliest hCG detection
Ovulation Calculator
Track your fertile window and peak ovulation day
Period Tracker
Predict your next 6+ cycles, fertile windows, and ovulation
Conception Date Calculator
Estimate conception from your ultrasound's gestational age
IVF Due Date Calculator
Due date from day 3 or day 5 embryo transfer
hCG Calculator
Doubling time, levels by week, half-life — research-cited
Weight Gain Calculator
IOM-based weight gain guide by pre-pregnancy BMI
Weeks → Months Converter
Convert pregnancy weeks to months (and back)
Baby Kick Counter
Track your baby's daily movements
Contraction Timer
Time and track contractions during labor
Baby Name Generator
Discover beautiful names by gender, origin, and letter
Pregnancy Checklists ✅
Interactive checklists that save your progress. Never forget an item.
Your Trimester Guide 🌱
Everything you need to know about each stage of pregnancy.
First Trimester
Weeks 1-12
The beginning of your journey. Baby goes from a single cell to a tiny human with a beating heart.
🌻Second Trimester
Weeks 13-27
The golden trimester. Energy returns, baby bump grows, and you may feel those first kicks!
🎉Third Trimester
Weeks 28-42
The home stretch! Baby gains weight rapidly and gets ready for the big day.
⚕️ Medical Disclaimer: BumpMath provides informational tools only. Our calculators use standard obstetric formulas but should not replace professional medical advice. Always consult your healthcare provider for personalized guidance about your pregnancy.