Due Date Calculator

The Due Date Calculator estimates the delivery date of a pregnant woman based on her last menstrual period (LMP), ultrasound, conception date, or IVF transfer date.

Modify the values and click the Calculate button to use

Estimate Based On:

First Day of Your Last Period:

Average Length of Your Cycles:

Result

The estimated due date is

Feb 12, 2026

You are currently at week #9 (8 weeks 4 days or 1 month 29 days) of pregnancy.

You are in the first trimester.

On average, your baby is around 0.9 inch (2.3 cm) long and weighs around 0.07 ounce (2 grams).

Your baby was likely conceived on May 22, 2025

Pregnancy Progress 21%

Pregnancy Timeline

Week	Date	Trimester	Milestones

Complete Pregnancy Calendar

Second Trimester (Weeks 13-28)

Baby begins making noticeable movements
Can hear sounds from outside the womb
Gender can typically be determined
Premature baby may survive with medical care
Lungs begin developing breathing capability

Third Trimester (Weeks 29-40+)

Rapid growth and brain development
Baby practices breathing movements
Final positioning for birth (usually head down)
Full term reached at 39 weeks
Most organs are fully developed

Note: The results of this calculator are estimations based on averages for single pregnancy. The results for twin pregnancy or multiple pregnancy may differ.