Free Pregnancy Calculators
Every pregnancy date question, answered instantly — due date, weeks along, ovulation, implantation, fertile window and more. No sign-up, results as you type.
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Due Date
LMP + cycle length → your due date and milestones.
Most popularPregnancy Week
How far along am I? Weeks, days and trimester.
Week by weekOvulation
Ovulation day + 6-day fertile window.
FertilityImplantation
Day-by-day window, days 6–12 past ovulation.
FertilityPeriod
Your next 6 periods — start and end dates.
Cycle trackingConception Date
Reverse from due date: when did I conceive?
DatesFertile Window
The 6 days each cycle when pregnancy is possible.
Fertility