Menstrual Cycle Tracker & Future Period Predictor

Track menstrual cycles, predict future period start dates, cycle phases, and typical symptom occurrences.

Cycle Configurations

28 Days
Short (20d)Standard (28d)Long (45d)
5 Days
2d5d10d

Today's Symptom Logger

Menstrual Flow
Physical Pain / Cramping
Emotional State
Energy Level
Active Physiological Cycle

Cycle Day 15

Estrogen peaks, cervical mucus is optimal. Conception chances are very high.

Fertile WindowCurrent Phase

Personalized Self-Care Insights

  • You are tracking well! Consistent symptom logging helps identify cycle anomalies. Keep up the great health awareness.

Predicted Future Cycle Start Dates

Cycle #128 days cycle
Period StartJul 23
Fertile WindowAug 1 - Aug 7
Ovulation:Aug 6
Cycle #228 days cycle
Period StartAug 20
Fertile WindowAug 29 - Sep 4
Ovulation:Sep 3
Cycle #328 days cycle
Period StartSep 17
Fertile WindowSep 26 - Oct 2
Ovulation:Oct 1
~13Cycles / Year
65Bleeding Days/Yr
14dLuteal Phase
14dEst. Follicular

Explore Additional Utilities

Ocean depth ↔ pressure — bar per 10 meters rule

Calculate hydrostatic and total pressure in the ocean based on depth, water density, and gravity constants.

oceanography

Blood Glucose Converter

Convert blood glucose levels between mmol/L and mg/dL, with diabetic range assessments and HbA1c approximations.

unit

Key length ↔ security bits — RSA vs AES equivalence

Compare security levels (bits of security) across symmetric keys, RSA, and Elliptic Curve Cryptography (ECC) based on NIST standards.

cryptography-security

Firewood volume — cords ↔ cubic meters ↔ cubic feet

Convert between cords, face cords, steres, and cubic volumes. Compute solid wood volumes, green or dry weight, and thermal BTU outputs.

forestry

Pipe nominal size ↔ actual OD — NPS vs DN standards

Cross-reference standard Nominal Pipe Sizes (NPS) with Diameter Nominal (DN), wall thickness, and outer diameter measurements.

plumbing

Kiln temperature — cone number ↔ degrees Celsius

Map pyrometric Orton cones to exact kiln temperature equivalents at fast or slow heating rates.

ceramics-pottery

Fuel burn rate — engine HP ↔ liters per hour

Calculate marine engine fuel consumption (liters/hr or gal/hr) using Brake Specific Fuel Consumption (BSFC) or standard marine power constants.

marine-engineering

BBQ Smoking Wood Quantity Calculator

Calculate the optimal quantity of smoking wood chunks or chips needed based on meat weight and type.

unit

Chlorophyll concentration ↔ water color index

Convert Chlorophyll-a bio-concentrations (mg/m³) to ocean water color classes, Forel-Ule index, and trophic status.

oceanography

Electron volts ↔ joules ↔ nanometers — photon energy

Convert between photon energy (eV, Joules) and physical wavelengths (nm, pm) or frequency (THz).

quantum-atomic

Anchor Scope Calculator

Calculate the recommended anchor rode chain and rope lengths based on water depth, vessel height, and environmental conditions.

unit

Bread Dough Hydration Calculator

Convert between flour weight, water weight, and hydration percentages for perfect baking doughs.

unit

Original gravity ↔ potential ABV — beer brewing

Calculate alcohol by volume (ABV), attenuation percentages, and calorie estimations from Original and Final Gravity values.

brewing-fermentation

Viscosity — cosmetic grade cps ↔ product texture description

Map centipoise (cPs) values to tangible product textures and view standard cosmetic grade shear behaviours.

perfumery-cosmetics

AWG Cable Sizer

Convert American Wire Gauge (AWG) sizes to metric dimensions, and estimate current carrying capacity.

unit

Water hammer pressure — velocity ↔ pressure spike

Determine the maximum instantaneous water hammer pressure shockwave surge from sudden flow velocity shutdowns.

plumbing

Crop Yield & Land Estimator

Estimate field harvest yields and translate bulk units (bushels, tons) across distinct land measurement scales.

unit

Dew point ↔ condensation risk — wall insulation check

Check wall surface dew point parameters and assess condensation and mold growth risks from room relative humidity.

hvac-thermal

Coordinates to UTM/MGRS

Convert standard Latitude & Longitude decimal coordinates to UTM and military grid reference (MGRS) systems.

unit

Ore dilution — grade ↔ waste ↔ recovered grade

Calculate recovered ore grade, tonnage adjustments, dilution percentages, and mining waste contamination levels.

mining-drilling