Our ConceptionDateCalculator uses your due date to estimate when you got pregnant. (If you don't know your due date yet, just head over to our Due Date Calculator.)
Free online conception date calculator. Discover when you were conceived based on your birth date. Accurate estimates for early, late, and on-time births.
Our conception calculator, also known as a reverse due date calculator, is the answer to the question "When did I conceive?" as it estimates when your pregnancy was conceived.
Estimate when you conceived with our accurate conception date calculator. Calculate your conception date range from LMP, due date, or ultrasound data with medical precision. Our conception date calculator uses medically accurate algorithms to estimate when conception likely occurred.
Calculate estimated conception windows, fertility dates, and pregnancy milestones based on your cycle information. This calculator helps you understand your fertile window and important pregnancy dates if conception occurs.
Our free pregnancycalculator can estimate your pregnancy due date based on the date of last menstrual period , conceptiondate, IVF Transfer & ultrasound scan.
Use our Conception Date Calculator to find out the most likely date you conceived your little bundle. You may even be able to use your conception date to see how far along you are and when baby is likely to arrive.