Ovulation Calculator | Find Your Most Fertile Days
Track your ovulation and fertile window with our free ovulation calculator. Perfect for family planning and understanding your cycle.
Find Your Most Fertile Days
Peak Fertility
The day of ovulation and the day before have the highest chances of conception.
Fertile Window
The period when pregnancy is possible, including 5 days before ovulation.
Egg Viability
Once released, an egg remains viable for about 24 hours.
Sperm Survival
Sperm can survive in fertile cervical mucus for up to 5 days.
Signs of Ovulation
Physical Signs
- Change in cervical mucus
- Slight increase in basal body temperature
- Mild pelvic or abdominal pain
- Light spotting
- Breast tenderness
Hormonal Changes
- Increased sex drive
- Heightened sense of smell
- Changes in mood
- Increased energy levels
- Water retention
Other Indicators
- Changes in cervical position
- Positive ovulation test
- Increased appetite
- Acne breakouts
- Changes in sleep patterns
Ways to Track Ovulation
Calendar Method
Track your menstrual cycle to predict ovulation based on typical cycle patterns.
BBT Charting
Monitor your basal body temperature for the slight increase that occurs after ovulation.
Ovulation Tests
Use home test kits to detect the surge in luteinizing hormone that triggers ovulation.
Cervical Mucus
Observe changes in cervical mucus consistency throughout your cycle.
Related Tools
About this Calculator
Track your ovulation and fertile window with our free ovulation calculator. Perfect for family planning and understanding your cycle.