Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Health
Pregnancy Due Date Calculator
Estimates your due date, current pregnancy week, and trimester from your last menstrual period or conception date. Useful for expectant parents tracking milestones from the first positive test.
Fill in the required fields to see your result.
Health
Pregnancy Due Date Calculator
Estimate your due date and current pregnancy week from how many days ago your last menstrual period started, your average cycle length, and the dating method. A quick projection your OB-GYN will refine with early ultrasound.
Fill in the required fields to see your result.
Key differences
| Pregnancy Due Date Calculator | Pregnancy Due Date Calculator | |
|---|---|---|
| Category | Health | Health |
| Inputs required | 3 | 4 |
| Result | Days Until Due Date (days) | Due Date & Current Week |
| What it does | Estimates your due date, current pregnancy week, and trimester from your last menstrual period or conception date. Useful for expectant parents tracking milestones from the first positive test. | Estimate your due date and current pregnancy week from how many days ago your last menstrual period started, your average cycle length, and the dating method. A quick projection your OB-GYN will refine with early ultrasound. |