Pregnancy Due Date Calculator
Use the Pregnancy Due Date Calculator to get a fast, readable pregnancy due date result with inputs, a clear answer, and the formula shown below.
Result
Estimated due date is October 8, 2026.
Due date
October 8, 2026
How it works
This calculator uses a practical pregnancy due date formula and shows the work in plain language so results are easy to review.
Formula
Due date = LMP + 280 days
Example
Example pregnancy due date calculation
Use the default values in the calculator form. Press Calculate to see the result summary, supporting values, and formula.
FAQs
What does the Pregnancy Due Date Calculator do?
It turns your inputs into a clear pregnancy due date result and includes the formula used for the calculation.
Can I use this result for planning?
Yes, it is useful for quick planning and comparison. For financial, health, legal, or tax decisions, confirm important numbers with a qualified professional.
Disclaimer: This calculator is for educational planning only and is not professional advice.
Last updated: 2026-05-24
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