KLOORAPregnancy Due Date Calculator
Estimate your due date and current week of pregnancy from the first day of your last period.
Quick answer: Pregnancy Due Date Calculator: Estimate your due date and current week of pregnancy from the first day of your last period. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Pregnancy Due Date Calculator
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
Features
- Instant results
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
Frequently asked questions
How is the due date calculated?
Naegele rule: add 280 days (40 weeks) to the first day of the last menstrual period.
Is the due date exact?
No. Only about 5 percent of babies arrive on the due date. A doctor can confirm with a scan.
Is the Pregnancy Due Date Calculator free?
Yes. It is free, needs no signup and works on any device.