Free Tool

Pregnancy Due Date Calculator

Calculate your estimated due date, gestational age, trimester, and all key pregnancy milestones. Based on Naegele's Rule. 100% private — browser-based.

Pregnancy Details

First Day of Last Menstrual Period (LMP)

Average Cycle Length (days)

Calculate From

Enter your details and click
Calculate Due Date

Estimated Due Date (EDD)

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Gestational Age

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Current Trimester

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Conception Date (est.)

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LMP Date

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Pregnancy Progress

LMPT1 ends Wk 13T2 ends Wk 27Due Date

Key Pregnancy Milestones

Medical Disclaimer: This calculator provides estimates only. Actual due dates and fetal development vary. Always consult your doctor or midwife for personalised advice.