Health & Fitness
Ovulation Calculator
Calculate your fertile window and ovulation date. Predict the best days for conception.
Your Cycle
28 days
Average cycle is 28 days (21-35 is normal)
Peak
High
Medium
Low
Ovulation Date
Tuesday, February 3
Fertile Window
Thu, Jan 29 to Wed, Feb 4
Next Period
Tuesday, February 17
Fertile Window
Jan29low
Jan30low
Jan31medium
Feb1medium
Feb2high
Feb3peak
Feb4high
Future Cycles
| Cycle | Period Start | Fertile Window | Ovulation Date |
|---|---|---|---|
| Current | Tue, Jan 20 | Thu, Jan 29 - Wed, Feb 4 | Tue, Feb 3 |
| Cycle 2 | Tue, Feb 17 | Thu, Feb 26 - Wed, Mar 4 | Tue, Mar 3 |
| Cycle 3 | Tue, Mar 17 | Thu, Mar 26 - Wed, Apr 1 | Tue, Mar 31 |
How It Works
Ovulation typically occurs about 14 days before your next period. The fertile window includes 5 days before ovulation and 1 day after.
Medical Disclaimer
This calculator provides estimates only. Consult your healthcare provider for family planning advice.
Conception Tips
- 1Track your cycle for several months for accuracy
- 2Ovulation test strips can confirm ovulation
- 3Sperm can survive up to 5 days in the body
- 4The best time to conceive is 1-2 days before ovulation
- 5Irregular cycles may affect prediction accuracy