Pregnancy & Conception Calculator
Calculate your conception date, due date, and trimester endpoints from your last period date.
How to Use the Pregnancy & Conception Calculator
- Enter your personal measurements (weight, height, age, etc.).
- Select any relevant options such as gender or activity level.
- Click Calculate or view the instant result.
- Review your result and the interpretation or category it falls into.
Quick Reference
| From | To |
|---|---|
| 1st trimester | Weeks 1–12 |
| 2nd trimester | Weeks 13–26 |
| 3rd trimester | Weeks 27–40 |
| Due date | 40 weeks (280 days) |
| Full term | 37–42 weeks |
| Preterm | < 37 weeks |
Use Cases
- •Monitoring personal health metrics as part of a wellness routine.
- •Setting evidence-based goals for diet, exercise, or weight management.
- •Preparing for a medical appointment with baseline body measurements.
- •Tracking changes in body composition over time.
Formula
Conception ≈ LMP + 14 days. Due date = LMP + 280 days. Trimesters: 1st ends at 12 weeks, 2nd at 26 weeks.
Frequently Asked Questions
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.