Pregnancy Due Date Calculator
Estimate a pregnancy due date from the last menstrual period or conception date.
Start with your input
Edit the example or replace it with your own text.
Choose your options
These settings are optional. Keep the defaults to get started.
How to use Pregnancy Due Date Calculator
- Enter the information requested for pregnancy due date calculator.
- Review inputs and units, then run the tool.
- Check the result and copy or download it for your workflow.
How Pregnancy Due Date Calculator works
Estimate a pregnancy due date from the last menstrual period or conception date. Results are based only on the inputs you provide. This tool does not access or verify private account, search ranking or analytics data.
Use the result carefully
Check output against the source data and destination platform requirements. Estimates and previews are not official measurements or professional advice. For regulated, financial, health or safety decisions, confirm assumptions with an appropriate qualified source.
Example input
First day of last period: 2026-01-01
How do I use the pregnancy due date calculator?
Enter the relevant inputs and select Run. Estimate a pregnancy due date from the last menstrual period or conception date.
Is input uploaded?
Processing takes place in your browser. This tool does not send your input or selected files to a conversion API.