Pregnancy Calculators & Trackers
Due dates, gestational age, pregnancy timeline, IVF dating and reference weight-gain ranges.
Calculate gestational age, trimester, estimated due date, progress and countdown from LMP or due date using date-only arithmetic.
Open tool →◔Due Date CalculatorEstimate due date from LMP, cycle length, conception or IVF-related timing and explain the ultrasound-dating caveat.
Open tool →◔Pregnancy Week CalculatorCalculate current pregnancy week and day from LMP or due date and show the estimated due date.
Open tool →◔Gestational Age CalculatorCalculate gestational age in completed weeks and days from LMP or due date and show the calculation basis.
Open tool →◔Pregnancy Weeks to Months CalculatorMap gestational weeks to a reference month range without pretending pregnancy months all have equal week counts.
Open tool →◔Trimester CalculatorMap gestational age to a clearly stated trimester convention and show weeks and days.
Open tool →◔Pregnancy TimelineKeep a local pregnancy profile and show week, trimester, countdown and informational milestones without cloud sync.
Open tool →◔Pregnancy Weight Gain CalculatorShow CDC/National Academies reference weight-gain ranges based on pre-pregnancy BMI and singleton/twin pregnancy.
Open tool →◔IVF Due Date CalculatorEstimate due date from embryo transfer or egg retrieval/fertilization date and show the embryo-age method used.
Open tool →◔Pregnancy Countdown CalculatorCalculate days and weeks until an estimated due date, or days past it, without treating the date as a guarantee.
Open tool →