Health utility
Pregnancy Due Date Calculator
Short answer: Use this free pregnancy due date calculator to enter last period date and get estimated due date instantly.
Tool input/output
Input: Last period date
Output: Estimated due date
How it works
This tool takes last period date, applies a simple browser-based calculation or formatting rule, and returns estimated due date. It is built for quick checks where you want a direct answer without creating an account, opening a spreadsheet, or reading through a long guide.
Example
Example: enter last period date and the tool returns estimated due date.
When to use it
- Quick health checks
- Estimating estimated due date
- Comparing options before using a detailed worksheet or official source
- Getting a clear answer from last period date