About BumpCalc

BumpCalc provides simple, browser-based pregnancy calculators for due date, pregnancy week, conception timing, ovulation, baby growth percentiles, and weight gain guidance.

About BumpCalc

These tools are built for educational planning and quick estimation. Calculations run client-side in your browser and are based on common references used in obstetric care, including the Naegele rule, Institute of Medicine (IOM) weight-gain ranges, and WHO growth standards.

Medical Disclaimer

BumpCalc calculators provide estimates only and are not medical advice, diagnosis, or treatment. Individual pregnancy timelines and growth patterns can vary. Always discuss results and care decisions with your licensed healthcare provider.

For full details, see our Medical Disclaimer.

Medical Reviewer

Medical review pending

Profile links: Pending publication

Content based on standard obstetric formulas (Naegele rule, IOM guidelines, WHO growth standards).