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Pregnancy Calculator

Calculate your due date, pregnancy timeline, and track your baby's development week by week. Get personalized pregnancy information.

Pregnancy Information

Pregnancy Results

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Estimated Due Date
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Weeks Pregnant
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Days Pregnant
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Conception Date
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Trimesters Remaining

Pregnancy Progress

Week 1 Week -- Week 40

Baby Development This Week

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Please enter your pregnancy information to see detailed baby development information for your current week of pregnancy.

Pregnancy Trimesters

First Trimester: Weeks 1-13

  • Baby's major organs begin to form
  • Heart starts beating around week 6
  • Fingers and toes begin to develop
  • Morning sickness and fatigue common
  • First ultrasound typically performed
  • Risk of miscarriage highest in this trimester

Pregnancy Milestones Timeline

Week 4
Positive Pregnancy Test
Most home pregnancy tests can detect pregnancy around this time.
Week 6-8
First Ultrasound
First prenatal visit and ultrasound to confirm pregnancy and heartbeat.
Week 12
End of First Trimester
Risk of miscarriage decreases significantly after this point.
Week 16-20
Gender Reveal
Anatomy scan can often determine baby's gender.
Week 24
Viability
Baby reaches the age of viability outside the womb.
Week 28
Third Trimester Begins
Start of the final trimester and more frequent checkups.
Week 37
Full Term
Baby is considered full term and could arrive any time.

Features of Our Pregnancy Calculator

Accurate Due Date Calculation

Calculate your estimated due date using multiple methods including LMP, conception date, or ultrasound dates.

Week-by-Week Development

Get detailed information about your baby's development and size comparisons for each week of pregnancy.

Pregnancy Progress Tracking

Visual progress bar showing how far along you are in your pregnancy journey with trimesters clearly marked.

Trimester Information

Detailed information about each trimester including common symptoms, tests, and developmental milestones.

Milestone Timeline

Visual timeline of important pregnancy milestones from positive test to full term.

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