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About the channel
Period Tools is a free suite of period, cycle, and pregnancy calculators that run 100% in your browser — private, with nothing saved to a server, and no signup. Short, practical tutorials: • Period Calculator — predict your next periods, ovulation & fertile window • Menstrual Cycle Calculator — see all 4 cycle phases on a calendar • Conception Calculator — estimate when you conceived • Pregnancy Test Calculator — find the best day to take a test • Pregnancy Due Date Calculator — see your due date & weeks along Enter the first day of your last period, see instant results on a calendar, and plan with confidence. Free, private, no signup, all in your browser. ▶ Try the calculators: https://periodtools.com 🔔 Subscribe for quick period, cycle & pregnancy how-tos.
Latest videos
Pregnancy Due Date Calculator: When Is My Baby Due? (Free)
3 views · 08/22/2026
Ovulation Calculator — Find Your Fertile Window (Free & Private)
4 views · 08/12/2026
When Can I Take a Pregnancy Test? Free Pregnancy Test Calculator
11 views · 07/29/2026
Conception Calculator: When Did I Conceive? (Free)
6 views · 07/23/2026
Menstrual Cycle Calculator: See All 4 Cycle Phases (Free)
11 views · 07/16/2026
Period Calculator: Predict Your Next Period & Fertile Window (Free)
12 views · 07/08/2026
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