pregnancy-conception-calculator

Free Pregnancy Tool

Pregnancy Conception Calculator

Estimate your conception date, ovulation date, fertile window, due date, pregnancy week, trimester, and important pregnancy milestones.

Pregnancy Details

First Day of Last Period Use the first day of your last menstrual period. Average Cycle Length

days

Luteal Phase Length

days

14 days is commonly used for estimates. Pregnancy Length

days

Standard estimate is 280 days from LMP.

This pregnancy conception calculator gives estimates only. Ovulation, conception, due date, and pregnancy timing can vary. Always consult a qualified healthcare provider.

Estimated Conception Date —

Enter your details and click Calculate.

Estimated Due Date —

Estimated Ovulation Date —

Fertile Window Start —

Fertile Window End —

Pregnancy Age —

Current Trimester —

Days Pregnant —

Days Until Due Date —

Pregnancy Progress

0% complete Week 0

First TrimesterWeeks 1–13

Second TrimesterWeeks 14–27

Third TrimesterWeeks 28–40

Pregnancy & Conception Summary

Last menstrual period date	—
Average cycle length	—
Estimated ovulation date	—
Estimated conception date	—
Estimated fertile window	—
Estimated due date	—
Pregnancy week	—
Trimester	—
Status	—