Pregnancy Due Date Calculator

Calculate your estimated delivery date (EDD), pregnancy weeks, and trimester progress.

About the Pregnancy Due Date Calculator

Pregnancy Due Date Calculator is a free tool in the Health, Pregnancy & Family section that runs entirely in your browser, so nothing is uploaded to a server. People often search for it as "pregnancy calculator", "due date calculator", "pregnancy weeks". The result is based on: Naegele's Rule: LMP + 280 days (40 weeks). Once you have your result, continue with Ovulation & Fertility Calculator, Menstrual Cycle Tracker and Baby Age Calculator, or browse all Health, Pregnancy & Family tools (19).

How to use Pregnancy Due Date Calculator:

1Enter required parameters into Pregnancy Due Date Calculator input fields.
2Click the action button to process and calculate your results instantly.
3Copy the output or download the resulting file with one click.

Calculation Formula & Standard:

Naegele's Rule: LMP + 280 days (40 weeks)

Frequently Asked Questions

What formula or method does the Pregnancy Due Date Calculator use?

Naegele's Rule: LMP + 280 days (40 weeks)

Which tools complement the Pregnancy Due Date Calculator?

Ovulation & Fertility Calculator: Identify your most fertile days, ovulation window, and optimal conception days. — Menstrual Cycle Tracker: Predict upcoming period start dates, cycle phases, and symptom windows. — Baby Age Calculator: Calculate your infant's precise age in weeks, months, days and developmental milestones.

Where can I find more Health, Pregnancy & Family tools?

The Health, Pregnancy & Family section has 19 free tools, including Body Mass Index (BMI) Calculator, Calorie Needs (BMR & TDEE) Calculator and Daily Water Intake Calculator.

Is Pregnancy Due Date Calculator completely free to use?

Yes, Pregnancy Due Date Calculator on Snpati Tools is 100% free forever without subscriptions or account registration.

Are my files and personal inputs secure?

Absolutely! The calculation and processing happen directly in your browser (Client-side), so your data is never uploaded to any remote server.

Why Snpati Tools?

Instant execution client-side
100% Client-side privacy
Mobile and tablet responsive
Completely free without sign-up

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