About BumpMath
BumpMath was created with one goal: give expecting parents free, accurate, and easy-to-use pregnancy tools — no sign-ups, no paywalls, no clutter.
What We Offer
- Due Date Calculator— estimate your baby's arrival using LMP, conception date, IVF transfer, or ultrasound.
- Ovulation & Conception Calculators — track your fertile window and reverse-calculate when conception likely happened.
- Week-by-Week Pregnancy Guide— follow your baby's development from week 4 through week 42, with size comparisons, symptoms, to-dos, and doctor questions.
- Interactive Checklists — hospital bag, baby registry, nursery setup, and prenatal appointment schedules that save your progress locally.
- Kick Counter & Contraction Timer — real-time tracking tools for the third trimester.
Our Approach
Every calculator on BumpMath is built on standard obstetric formulas used by healthcare providers — Naegele's Rule for due dates, IOM guidelines for weight gain, and clinically recognized gestational-age calculations. We cite our methods so you can verify them with your own provider.
Medical Disclaimer
BumpMath is an informational resource, not a substitute for professional medical advice. Always consult your OB-GYN, midwife, or healthcare provider for guidance specific to your pregnancy.
Contact
Questions or feedback? We'd love to hear from you. Reach out at hello@bumpmath.com.