Pregnancy Calculator
Calculate due date, conception date and pregnancy milestones
Real-time Results
Your estimated delivery date
Your current pregnancy stage
Time remaining until delivery
Current trimester of pregnancy
Key Pregnancy Dates
Important milestones and dates during pregnancy
| Item | Value |
|---|---|
| Last Menstrual Period | 2026-09-13 |
| Conception Date | 2026-09-27 |
| First Trimester End | 2026-12-13 |
| Second Trimester End | 2027-03-14 |
| Full Term | 2027-05-30 |
| Due Date | 2027-06-20 |
Pregnancy Timeline
Important milestones throughout your pregnancy
View details (10)
| Item | Value |
|---|---|
| Heartbeat detectable Ultrasound can detect heartbeat | 2026-11-08 |
| First prenatal visit First detailed ultrasound usually done at 12 weeks | 2026-12-06 |
| Fetal movement possible Some women may feel fetal movement, like butterfly flutters | 2027-01-03 |
| Mid-pregnancy ultrasound Detailed fetal development check, may determine fetal sex | 2027-01-31 |
| Fetal development milestone Major fetal organs are well-developed and fetus has basic viability | 2027-02-28 |
| Third trimester begins Fetal continues to develop and gain weight, preparing for birth | 2027-03-28 |
| Full-term preparation Fetal is considered full-term, may turn head-down position | 2027-05-23 |
| Full-term Fetal is considered full-term, birth at this time usually has no complications | 2027-05-30 |
| Estimated due date Estimated delivery date, but only about 5% of babies are born on their estimated due date | 2027-06-20 |
| Overdue pregnancy If not delivered by this date, doctor may consider induction | 2027-07-04 |
Upcoming Milestones
Next important events in your pregnancy
| Item | Value |
|---|---|
| Heartbeat detectable Ultrasound can detect heartbeat | 2026-11-08 |
| First prenatal visit First detailed ultrasound usually done at 12 weeks | 2026-12-06 |
| Fetal movement possible Some women may feel fetal movement, like butterfly flutters | 2027-01-03 |
Disclaimer
The data provided by this health calculator is for reference only and cannot replace professional medical diagnosis, consultation, or treatment. Please consult a doctor before making any changes to your fitness or diet plan.
Supported inputs
| Input | Description |
|---|---|
| Calculation Method | Select the calculation method you want to use Based on Last Menstrual Period · Based on Conception Date · Based on Ultrasound Date · Based on Current Week |
| Last Menstrual Period Date | Select the first day of your last menstrual period |
| Conception Date | Select the estimated conception date |
| Ultrasound Date | Select the date of ultrasound examination |
| Current Gestational Age (Weeks) | Enter your current gestational age in weeks |
| Current Gestational Age (Days) | Enter your current gestational age in days |
| Menstrual Cycle Length | Enter your average menstrual cycle length |
Formula
Pregnancy Calculation Methods: 1. Last Menstrual Period (LMP) Method: Due Date = LMP + 280 days (40 weeks) 2. Conception Date Method: Due Date = Conception Date + 266 days (38 weeks) 3. Ultrasound Method: LMP = Ultrasound Date - Measured Gestational Age Due Date = LMP + 280 days
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