Ovulation Calculator Form
Estimate your ovulation date and fertile window based on your cycle details. This tool provides general guidance for planning purposes.
First day of your last menstrual period
*
 -
Month
 -
Day
Year
2 digit month, 2 digit day, 4 digit year
Date
Average length of your menstrual cycle (in days)
*
How many days does your period usually last?
*
How regular are your cycles?
*
Very regular (within 1-2 days)
Somewhat regular (within 3-5 days)
Irregular
Your age
*
Are you currently tracking ovulation with any methods?
Ovulation predictor kits
Basal body temperature
Cervical mucus monitoring
Calendar tracking
Other
How long have you been trying to conceive?
Please Select
Not trying
Less than 3 months
3-6 months
6-12 months
More than 12 months
Have you been pregnant before?
Yes
No
Are you currently using or have recently used any birth control?
No
Yes, stopped within last 3 months
Yes, stopped more than 3 months ago
Any additional notes or cycle details?
Calculate Ovulation
Should be Empty: