Pregnancy Due Date Calculator

Pregnancy Due Date Calculator with instant results, formula details, and practical examples.

How to Use

  • Open the Pregnancy Due Date Calculator and keep the calculator panel visible for easy interaction.
  • Enter your values into the required fields and click Calculate to get instant results.
  • Review the main result and supporting details to understand key metrics.
  • Adjust one variable at a time to see how changes affect the outcome.
  • For more details, refer to the FAQ section.

Pregnancy Due Date Calculator Tool

Enter your values and get instant results with clear supporting details.

Estimated Due Date

8 October 2026

  • LMP: 1 January 2026
  • Based on Naegele's rule (LMP + 280 days)
  • Always verify with your healthcare provider

This tool is provided for informational purposes only and does not constitute professional advice. Results may not be accurate. Please verify independently and consult a qualified professional before making decisions.

Frequently Asked Questions

What does each input field mean in the Pregnancy Due Date Calculator?

First Day of Last Menstrual Period: Select the date when your most recent menstrual period started.

What is this calculator and how does it work?

This calculator estimates your due date based on your last menstrual period (LMP). Simply enter the first day of your last period and it shows your expected delivery date and highlights important pregnancy milestones. For example, if your LMP was January 1, your due date is around October 8. Essential for tracking pregnancy progress and preparing for baby's arrival.

How accurate is this pregnancy due date calculator?

The pregnancy due date calculator follows standard formulas and is suitable for planning decisions.

What inputs do I need for this pregnancy due date calculator?

Enter the required values shown in the form and click calculate to get instant output.