How accurate is the due date?

The due date is an estimate. About 80% of babies are born within 10 days of the EDD. Only 5% arrive on the exact date. Full-term delivery ranges from 37 to 42 weeks.

What does it mean to be overdue?

You are considered overdue after 40 weeks (past your EDD). This is common and rarely dangerous until 42 weeks. Your provider will monitor you with non-stress tests and ultrasounds and may recommend induction between 41-42 weeks.

Should I plan around the due date?

Plan with a buffer. Major events, travel, or commitments should allow at least a 3-week window around your EDD. Babies can arrive 2 weeks early or 2 weeks late and still be considered full-term.

When should I stop working?

This is a personal and medical decision. Many women work until 38-39 weeks, while others stop earlier if complications arise. Discuss with your provider and employer, and have a plan for unexpected early delivery.

How do I know my EDD?

Your provider calculates EDD at your first prenatal visit using your LMP date, ultrasound measurements, or both. It is typically confirmed by the first-trimester ultrasound.

Does the countdown change with twins?

Twin pregnancies typically deliver earlier — around 36-37 weeks on average. While the EDD is still calculated at 40 weeks, your provider may plan for delivery before the due date.

Pregnancy Days Remaining Calculator

Count down the days until your due date. Enter your EDD to see exactly how many days, weeks, and months remain in your pregnancy.

Choose your date input method:

Estimated Due Date (EDD)Last Menstrual Period (LMP)

Estimated Due Date

Your healthcare provider calculated this date at your first prenatal appointment

Planning notes, formulas, and examples

About the Pregnancy Days Remaining Calculator

This pregnancy countdown calculator tells you how many days, weeks, and approximate months remain until your estimated due date. It also shows how much of the pregnancy has already passed so you can place the current week in context.

That is useful for practical planning: when to register, when to start classes, when to pack the hospital bag, and when to expect the more frequent appointments that come late in pregnancy. The countdown can also help when you are coordinating work leave, childcare for older children, or travel cutoffs.

It is still only a countdown to an estimate, not a promise of the exact birthday. Full-term delivery is a range, so use the date as a planning anchor rather than a guarantee.

When This Page Helps

A pregnancy countdown helps with practical planning: when to pack the hospital bag, when to install the car seat, when to start maternity leave, and when to finalize the birth plan. It also provides daily encouragement as the number gets smaller, making each day feel like meaningful progress toward meeting your baby.

How to Use the Inputs

Enter your estimated due date (EDD) — your provider can give you this date.
The calculator quickly shows days, weeks, and months remaining.
View your progress percentage and which trimester you are in.
Check back daily for an updated countdown.

Formula used

days_remaining = EDD − today
weeks_remaining = floor(days_remaining / 7)
months_remaining ≈ days_remaining / 30.44
progress = ((280 − days_remaining) / 280) × 100

Example Calculation

Result: 240 days remaining

With a due date of October 8, 2026, and today being February 10, 2026, there are 240 days remaining. That is approximately 34 weeks and 2 days, or about 7.9 months. You are roughly 14% through your pregnancy.

Tips & Best Practices

Pack your hospital bag by 36 weeks (about 28 days before your due date).
Install and inspect the car seat by 37 weeks.
Finalize your birth plan by the start of the third trimester.
Start prenatal classes about 8-12 weeks before your due date.
Remember: only 5% of babies arrive on the exact due date.
Consider having the nursery ready by 34-36 weeks in case baby arrives early.

Making the Most of Your Countdown

The pregnancy countdown is both a planning tool and a source of daily excitement. Many parents use it to track milestones: reaching viability at 24 weeks, entering the third trimester at 28 weeks, reaching full term at 39 weeks, and finally meeting their baby on delivery day.

Practical Planning by Countdown

At 100 days remaining (~26 weeks): Register for baby items, start childbirth classes. At 60 days (~31 weeks): Tour the hospital, interview pediatricians. At 30 days (~36 weeks): Pack hospital bags, install car seat, finalize birth plan. At 14 days (~38 weeks): Confirm childcare plans, meal prep, finalize work handoff.

When the Countdown Goes Past Zero

Going past your due date is normal and does not mean anything is wrong. Your provider will suggest monitoring and a timeline for induction if needed. Stay in contact with your care team and keep your hospital bags ready.

Sources & Methodology

Last updated: February 10, 2026

Frequently Asked Questions

The due date is an estimate. About 80% of babies are born within 10 days of the EDD. Only 5% arrive on the exact date. Full-term delivery ranges from 37 to 42 weeks.