Due Date Calculator

When is your baby due?

A calm, private estimate. Pick the method that fits you — results appear instantly. No account, no email, no popups.

A mother in soft light gently cradling her pregnancy bump
28 days

Most people have a 28-day cycle.

Estimated due date

Wednesday, May 5, 2027

About 279 days to go

You are

0 weeks 0 days pregnant

First trimester

Your Pregnancy Timeline

You're in your first trimester · 0 weeks 0 days

1st Trimester

From Jul 29 to Oct 27

2nd Trimester

From Oct 28 to Feb 9

3rd Trimester

From Feb 10 to May 5

Week 1Week 40

This week your baby is about the size of a poppy seed.

Week 1 is counted from the first day of your last period, so pregnancy has not yet begun. Your body is preparing to release an egg later this cycle.

Read week 1

Key dates ahead

  • End of first trimester (week 13)Oct 28, 2026
  • Anatomy scan window (weeks 18–22)Dec 2, 2026 – Dec 30, 2026
  • Third trimester starts (week 28)Feb 10, 2027
  • Full term (week 37)Apr 14, 2027

Bookmark it — the page updates each time you return.

This is an estimate for information only — only about 1 in 20 babies arrive on their due date. Always confirm dates with your midwife or doctor.

How many weeks am I?

Enter your due date or last period for weeks and days.

Ovulation calculator

Estimate your fertile window and ovulation date.

Trimester calculator

See exact date ranges for each trimester.

Week-by-week guide

Fruit-size comparisons and what happens each week.

Frequently asked questions