Pregnancy Due Date & Week Calculator vs Due Date Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Pregnancy Due Date & Week Calculator
Calculates your estimated due date, current pregnancy week, and trimester from your last menstrual period or conception date. Ideal for first-trimester planning and tracking gestational milestones.
- Answers
- Due Date (timestamp)
- Inputs
- Calculation Method, Day of Month, Month, Year, Average Cycle Length
Due Date Calculator
Calculates how many days remain until your estimated due date from how many days ago your last period (or conception) occurred, adjusting for cycle length or luteal phase.
- Answers
- Due Date Countdown
- Inputs
- Calculation Method, Days Since Last Period / Conception, Average Cycle Length, Luteal Phase Length
At a glance
| Pregnancy Due Date & Week Calculator | Due Date Calculator | |
|---|---|---|
| Category | Health | Pregnancy |
| Answers | Due Date | Due Date Countdown |
| Inputs | 5 | 4 |
| Result unit | timestamp | — |
When to use each
Calculates your estimated due date, current pregnancy week, and trimester from your last menstrual period or conception date. Ideal for first-trimester planning and tracking gestational milestones.
Calculates how many days remain until your estimated due date from how many days ago your last period (or conception) occurred, adjusting for cycle length or luteal phase.