Menstrual Period Calculator
Predict your next three menstrual periods based on your cycle length.
Enter your details
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Your results
Next period starts
August 18, 2026
info
- Next period window
- August 18, 2026 August 22, 2026
- Period after that
- September 15, 2026
- Third upcoming period
- October 13, 2026
Tracking Your Cycle
A normal menstrual cycle is 21–35 days. Tracking your cycle helps identify irregularities, plan around hormonal symptoms, and time conception or contraception.
Wellness Pick
Pair Your Plan With a Daily Wellness Habit
Calculators set the target daily habits make it stick. Add a gentle herbal tea to your morning routine to support digestion, hydration, and a calmer wellness rhythm.
- Natural plant-based ingredients
- Supports digestion & daily wellness
- Easy 1-minute add to your morning routine
Frequently Asked Questions
Is it normal to have an irregular cycle?
Occasional irregularity is common, especially around stress, illness, or weight changes. Frequent irregularity warrants a check-up.