Pregnancy & baby
Due dates, gestational age and pregnancy milestones, from last period, conception or transfer date. 16 tools, including Baby Growth Percentile Calculator, Baby Milk Intake Calculator, Conception date calculator and Due date calculator. All free, with no account and nothing to install.
Baby Growth Percentile CalculatorWeight, length and head circumference percentiles from the WHO Child Growth Standards, 0-24 months.Baby Milk Intake CalculatorBottle volumes per feed and per day by your baby's weight and age, with the feeding interval.Conception date calculatorEstimate the likely conception date from a due date.Due date calculatorEstimate your baby's due date (Naegele's rule).Gestational Age CalculatorGestational age in weeks and days from your LMP, due date or conception date, with trimester and EDD.hCG Doubling Time CalculatorCompute the doubling time and percentage rise between two hCG results, read against the expected range for the level reached.Implantation CalculatorDate the 6-to-12-day implantation window from your last period or a known ovulation date, with the peak days, the earliest reliable test date and the expected period.IVF Due Date CalculatorDate an IVF pregnancy from the transfer date and the embryo's age, with gestational age today, the trimester and term milestones, and the equivalent LMP date.Menstrual Cycle CalculatorPredict your next periods, ovulation day, fertile window and current cycle phase from your last period.Menstrual Cycle Length CalculatorAverage cycle length, shortest, longest and regularity from your recent period start dates.Next period date calculatorEstimate the dates of your next three periods from your last period and cycle length.Ovulation calculatorFind your fertile window from your last period.Pregnancy CalendarA week-by-week pregnancy timeline with dates and trimesters, with your current week highlighted.Pregnancy Calorie CalculatorDaily calorie needs during pregnancy — TDEE plus the trimester allowance (+340 in T2, +450 in T3).Pregnancy week calculatorFind your current pregnancy week and trimester from your last period.Pregnancy Weight Gain CalculatorRecommended pregnancy weight gain by pre-pregnancy BMI (IOM), with the expected gain at your current week.