Pregnancy Due Date Calculator

Calculate your estimated due date, gestational age, and pregnancy trimesters

First day of last menstrual period (LMP)

Average cycle length (days)

Estimated Due Date

Sunday, April 4, 2027

Days remaining until delivery: 220 days

You are currently in week

8 / 40

Trimester

First Trimester (Weeks 1 - 12)

Frequently Asked Questions

How is the due date computed?▼

We use Naegele's rule by adding 280 days (40 weeks) to the first day of your last period, adjusted for your cycle length.

Note: These results are estimates for informational purposes only. Please consult official sources for legal or medical advice.