When Did I Conceive if My Due Date Is June 18?

A calculator that calculates the day of conception based on due date.

If you do not know when you will give birth and you know the date of your last period, use the duea date calculator.

🔮 You seem to want to know the future. You've chosen a delivery date of June 18, 2026. Unfortunately, I can't predict it.

If you want to give birth on June 18, 2026 then you should get pregnant on September 25, 2025, and the first day of your period (L.M.P.) should be September 11, 2025.

Nearest calculation of days of conception based on day of birth