The richest collection of free online calculators—Conception Calculator

Conception Calculator

This conception calculator can be used to estimate the conception windows and corresponding due date based on biological cycles. Sperm can live inside a woman 3-5 days or up to 7days. However, the sperm mobility decreases after 3 days. To get pregnant, the best three days window to have sexual intercourse is from two days before to the day of ovulation.

Related:pregnancy calculator | pregnancy conception calculator

first day of your last period:
average length of cycles:
 

The results of this calculator are estimation based on average.