PanaKit A product by Panabotics

Home
Calculators
Blogs
About

Home>Calculators>Menstrual & Cycle Health>Menstrual Cycle Calculator

Menstrual Cycle Calculator

Medical disclaimer. These calculators use standard clinical dating methods (LMP-based, luteal-phase, and ultrasound-based estimates) and are intended for general planning purposes. They are not a substitute for medical advice — consult a healthcare provider for guidance specific to your situation.

First day of last menstrual period

Average cycle length

Enter dates to summarize.

PanaKit A product by Panabotics

Your Health. Every Cycle.

Free, private fertility and pregnancy calculators. Accurate, ad-free, no sign-up required.

100% Free & Ad-FreeNo ads. No paywalls. No sign-up required.

Calculators

All Calculators
Fertility & Ovulation Calculators
Pregnancy Calculators
Menstrual & Cycle Health Calculators
Women's Health Calculators

Resources

About PanaKit
How It Works
FAQ
Blogs
Sitemap

Contact

Contact Form
Suggest a Tool
Report a Bug

Our Products

PanaPDF

© 2026 PanaKit. All rights reserved. Built for accuracy and privacy.

Privacy Policy
Terms of Service