Health calculators & tools

Quick, free tools for pregnancy planning and family wellness. Results are estimates for education only — not medical advice.

BMI calculator

Adult body mass index from height and weight.

Due date calculator

Estimate delivery date from your last period (LMP).

Ovulation calculator

Fertile window and ovulation day from cycle length.

Baby age calculator

Weeks and months since your baby’s birth date.

Growth percentile

Baby weight-for-age estimate (0–24 months).

Calorie calculator

Daily calorie needs (TDEE) for adults.

Note: These tools support general planning. Always confirm dates and health decisions with your doctor. Medical disclaimer.