Pregnancy Calculators
Free, instant planning tools, no sign-up, no email, nothing stored. Just answers, warmly delivered.
Dates & timing
Work out the when of it all, due date, weeks, trimesters, and more.
Due Date Calculator
From your last period, conception date, or IVF transfer, the full picture in seconds.
How Many Weeks Am I?
Exactly how far along you are today, with your progress on the 40-week timeline.
Weeks to Months
Translate pregnancy weeks into months (approximately; we're honest about that).
Trimester Calculator
Which trimester you're in today, and the dates each one begins and ends.
Conception Date Calculator
Estimate when this all began, from your due date or last period.
IVF Due Date Calculator
Precise dating for day-3 and day-5 transfers, the most accurate method of all.
Ovulation Estimator
Your likely fertile window this cycle and the next three, for planning ahead.
Getting ready
Plan the big moments, photos, celebrations, and time off.
Best Time for a 3D Ultrasound
Your personal 26–32-week sweet spot for those round-cheek 3D/HD photos.
Baby Size by Week
Poppy seed to small pumpkin, a fun week-by-week size guide.
Baby Shower Date Planner
The comfortable window for your shower, with every weekend date listed.
Maternity Leave Planner
Sketch your last work day, leave dates, and return, the date math, done.
Budgets
Put honest numbers to the celebration and the shopping list.
Found your best week? Come meet your baby.
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