Calculator360

Conception Calculator

Find out exactly when you conceived and what your most fertile days were.

Likely Date of Conception

Mar 11, 2026

Intercourse / Fertile Window

Mar 7 — Mar 12, 2026

Estimated Due Date

Dec 2, 2026

Current Status

13 Wks, 6 Days

Your Pregnancy Timeline

Event Date
Last Menstrual Period (LMP) Wednesday, Feb 25, 2026
Start of Fertile Window Saturday, Mar 7, 2026
Estimated Conception (Ovulation) Wednesday, Mar 11, 2026
End of First Trimester (Week 13) May 27, 2026
End of Second Trimester (Week 27) Sep 2, 2026
Estimated Due Date (EDD) Wednesday, Dec 2, 2026