Conception Date — Free Online Calculator
When conceived. Free conception date with instant results.
Last updated: 2026-06-01
Conception Date Calculator
Enter your estimated due date to find probable conception date
Conception typically occurs about 2 weeks after the first day of your last menstrual period, during ovulation. Sperm can survive 3-5 days, so the conception window is broader.
Curious About Your Pregnancy Timeline?
Understanding conception timing can help with prenatal care planning. Always consult with your healthcare provider for accurate information.
Results are estimates for planning purposes only. Verify important financial or health decisions with a qualified professional.