HIGH-DEMAND HEALTH ESTIMATES WITH LIMITS
Pregnancy Due Date Calculator India
Estimate an initial expected due date by adding 280 days to the first day of the last menstrual period.
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Your result
Ready when you are.
Enter your values and choose Calculate. Your inputs stay on this device.
How it works
Expected due date = first day of LMP + 280 days (40 weeks).
Assumptions and limits
Initial estimate only. Cycle length, uncertain dates, assisted reproduction, ultrasound, and clinical findings can change dating.
About this calculator
The page answers the expected-date search with the established 280-day convention while clearly labelling it an estimate.
What this tool helps you check
Estimate an LMP-based due date and direct clinical dating decisions to qualified maternity care.
How to use it
- Review the formula and assumptions shown for this pregnancy due date calculator india.
- Enter the first day of the last menstrual period.
- Calculate and read the estimated date and 40-week convention.
- Use the date established by the treating professional for medical decisions and follow-up.
Source and update
Last reviewed: 2026-08-22
ACOG — Methods for Estimating the Due DateFrequently asked questions
What does this pregnancy due date calculator india calculate?
The page answers the expected-date search with the established 280-day convention while clearly labelling it an estimate.
How should I interpret the result?
Read the estimated date and 40-week convention. The result changes whenever an input or assumption changes.
Is the result official or guaranteed?
Use the date established by the treating professional for medical decisions and follow-up.
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