Ovulation Calculator
Ovulation date, fertile window, next period from LMP and cycle length
Average is 28 days (range: 21–45 days)
Ovulation Date (estimated)
Tuesday, 7 April 2026
Fertile Window Start
Thursday, 2 April 2026
5 days before ovulation
Fertile Window End
Wednesday, 8 April 2026
1 day after ovulation
Next Expected Period
Tuesday, 21 April 2026
Fertile Window (best days to conceive)
Thu
2 Apr
Fri
3 Apr
Sat
4 Apr
Sun
5 Apr
Mon
6 Apr
Tue
7 Apr
Peak
Wed
8 Apr
This is an estimate based on average cycle patterns. Actual ovulation can vary. For accurate tracking, use ovulation predictor kits (OPK) or basal body temperature (BBT) charting. Consult a doctor for fertility concerns.
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Calculated with CalcHub