Health & Medical Calculators

Trusted medical calculators (BMI, pregnancy, menstrual cycle) and general health info from primary authorities.

Interactive BMI calculator in metric and imperial units, with your WHO category and ideal weight range for your height.

Interactive tool that predicts your next period, ovulation day, and fertility window based on your cycle length. Built on standard medical rules.

Interactive tool for estimated due date, current gestational week, and trimester، built on Naegele's rule with cycle-length correction.