Ovulation Calculator
Track your fertile window and ovulation date
Average: 28 days
Ovulation Date
Sat, Mar 14
Most fertile day
Next Period
Sat, Mar 28
In 14 days
Fertile Window
Mon, Mar 9 - Sun, Mar 15
6-day window with highest chance of conception
Cycle Calendar
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
Period Fertile Ovulation
Key Dates
| Last Period Started | Saturday, February 28, 2026 |
| Fertile Window Starts | Monday, March 9, 2026 |
| Ovulation Day | Saturday, March 14, 2026 |
| Fertile Window Ends | Sunday, March 15, 2026 |
| Next Period Expected | Saturday, March 28, 2026 |
Understanding Your Cycle
- Ovulation: Typically occurs 14 days before your next period
- Fertile Window: 5 days before and 1 day after ovulation
- Peak Fertility: The 2 days before and day of ovulation
- Egg Survival: 12-24 hours after ovulation
- Sperm Survival: Up to 5 days in the reproductive tract
Important Notes
This calculator provides estimates based on average cycle patterns. Actual ovulation timing can vary due to stress, illness, medications, and other factors. For more accurate tracking, consider using ovulation predictor kits (OPKs) or basal body temperature monitoring. Consult a healthcare provider for fertility concerns.