Ovulation Calculator

Increase your chances of becoming pregnant by using this ovulation calculator to map out the best times to try for a baby. Follow the steps to see your ovulation calendar showing when you are most fertile.

1. When was the first day of your last menstrual period?

Date: (click to set date)

2. How many days is your average cycle?

Days in cycle

Count the number of days from the first day of your period (day 1) to the day before your next period starts.

Last Reviewed: 19 August 2015


Family Planning NSW. Maximising natural fertility. (updated Feb 2015). (accessed Aug 2015).