OhMyCalc

Due Date Calculator

Calculate estimated due date from last menstrual period.

How to Use the Due Date Calculator

  1. Enter your personal measurements (weight, height, age, etc.).
  2. Select any relevant options such as gender or activity level.
  3. Click Calculate or view the instant result.
  4. Review your result and the interpretation or category it falls into.

مرجع سريع

منإلى
1st trimesterWeeks 1–12
2nd trimesterWeeks 13–26
3rd trimesterWeeks 27–40
Due date40 weeks (280 days)
Full term37–42 weeks
Preterm< 37 weeks

حالات الاستخدام

الصيغة

Calculate estimated due date from last menstrual period.

الأسئلة الشائعة

How to use?
Enter the data and click the calculate button.
Calculation accuracy?
Calculations are performed with high precision.
Is it free?
Yes, all calculators are completely free.