Pregnancy Age Calculator – Calculate Your Pregnancy Week & Trimester

Find out how far along you are in your pregnancy in seconds. Whether you know your LMP, EDD, or IVF date, this tool helps you estimate gestational age, trimesters, and due date — instantly. Wondering how many weeks pregnant you are? This Pregnancy Age Calculator tells you exactly where you are in your pregnancy — whether you know your LMP, EDD, or IVF transfer date.

Pregnancy Age Calculator

⚠️ This calculator provides estimates only. For medical confirmation, consult a certified OB/GYN.

How to Use the Pregnancy Age Calculator

  1. Choose your preferred method:
    • 📅 Last Menstrual Period (LMP)
    • 📆 Estimated Due Date (EDD)
    • 🧬 IVF Transfer Date
  2. Enter your date
  3. Click Calculate

👉 You’ll get:

  • 🧮 Pregnancy age (weeks + days)
  • 📘 Trimester info
  • 🍼 Estimated Due Date (if not provided)

What Does Pregnancy Age Mean?

Pregnancy age (also called gestational age) tells you:

  • How far along you are
  • When your trimesters start/end
  • Which prenatal tests you may need

It always starts from the first day of your LMP (not the conception date).

Example

LMP: 20 February 2025

Today’s Date: 5 July 2025

Pregnancy Age: 19 weeks, 2 days

Trimester: Second Trimester

Estimated Due Date: 27 November 2025

Trimester Breakdown

Trimester Weeks Range
First Trimester Weeks 1–13
Second Trimester Weeks 14–27
Third Trimester Weeks 28–40+

Why This Calculator Helps

  • 👩 For moms tracking milestones
  • 🧪 For doctors scheduling tests (NT scan, anomaly scan)
  • 📋 For HR, insurance, or travel needs
  • 📱 For apps or prenatal websites

Pregnancy & Baby