Pregnancy Due Date Calculator LMP India

Pregnancy Due Date Calculator

EDD from last menstrual period (LMP) — expected delivery date +280 days, pregnancy week.

Your data never leaves your browser — all processing happens locally on your device.

Expected delivery date (EDD) = LMP + 280 days (Naegele's rule). Ultrasound dating by your gynaecologist supersedes this estimate — follow MOHFW/antenatal care guidelines.

About this tool

Calculate expected due date (EDD) from the first day of last menstrual period (LMP) using Naegele's rule (+280 days). Shows EDD and approximate gestational week. For expectant parents and clinics — ultrasound dating may differ.

How to use the Pregnancy Due Date Calculator

  1. 1

    Enter LMP date

    First day of last menstrual period.

  2. 2

    See EDD

    Expected delivery date.

  3. 3

    Gestational week

    Approximate weeks pregnant today.

Frequently Asked Questions

Naegele's rule?

EDD = LMP + 280 days (40 weeks) — assumes 28-day cycle.

Irregular cycles?

Early ultrasound is more accurate — use this as initial estimate only.

Related Tools

Date Difference CalculatorFind the exact number of days, weeks and months between any two dates.Age CalculatorCalculate your exact age in years, months, days, hours and minutes from your date of birth.BMR CalculatorBasal metabolic rate calculator — Mifflin-St Jeor formula, age, gender, height, weight.BMI CalculatorCheck your Body Mass Index (BMI) and health category instantly using metric or imperial units.Ideal Weight CalculatorIdeal body weight range by height and gender — Devine formula, clinical screening helper.