Pregnancy Due Date Calculator

Your Ultimate Pregnancy Due Date Calculator – Easily determine your expected delivery date with personalized adjustments for cycle length and calculation method.

Enter your details below to calculate your expected due date.

LMP Date

Cycle Length (days)

Calculation Method Naegele's Rule (LMP + 280 days) Conception Date Method (Conception + 266 days)

Conception Date

Cycle Regularity Regular Irregular

Additional Adjustment (days)

Your Expected Due Date

Due Date: --

Days until due: --

Naegele's Rule

This common method adds 280 days to your LMP date, with adjustments for cycle length and any additional changes you specify.

Conception Date Method

If known, using the conception date (adding 266 days) can provide an alternative due date calculation.

Cycle Regularity

Regular cycles yield more predictable due dates. For irregular cycles, consult your doctor for personalized advice.

Consult Your Doctor

This calculator is a useful guide, but for a personalized plan, always consult with your healthcare provider.