Due Date Calculator

Estimate your baby's due date from your last menstrual period or conception date, along with your current gestational age, trimester, and pregnancy progress.

Enter Your Details

Method

First Day of Last Period

Cycle Length (Days)

How It Works

A full pregnancy lasts about 40 weeks (280 days) from the first day of the last menstrual period.

Estimates:

EDD (LMP) = LMP + 280 days
EDD (conception) = conception + 266 days

Trimester breakdown:

1st: up to 13 weeks. 2nd: 14-26 weeks. 3rd: 27+ weeks.

This is an estimate for general guidance only. Confirm with your healthcare provider; it is not medical advice.

Frequently Asked Questions (FAQ)

The Due Date Calculator provides precise mathematical estimates based on standard financial compounding, amortisation, or tax formulas.

No! All calculations execute 100% locally in your web browser. No financial figures leave your device.

These outputs are estimates for financial planning. For official filings, consult a certified financial planner or tax professional.

Disclaimer Notice

Disclaimer: The results from this Due Date Calculator are for estimation and informational purposes only. Actual interest rates, loan approvals, tax liabilities, or investment returns may vary depending on bank policies, market conditions, and government regulations.

Due Date Calculator

Enter Your Details

Your Results

Disclaimer Notice