Health & Wellness
Health and wellness calculators: BMI, calories, macros, heart rate, ideal weight.
All Health & Wellness Tools
BMI Calculator
Calculate your Body Mass Index (BMI) with WHO classification.
Open tool →Calorie/TDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor formula.
Open tool →Macro Calculator
Calculate the optimal distribution of protein, carbs and fat based on your goal.
Open tool →Pregnancy Due Date Calculator
Calculate your due date using Naegele's rule. Gestational week and trimester.
Open tool →Ovulation Calculator
Calculate fertile days and ovulation date based on your menstrual cycle.
Open tool →German Care Level Calculator 2026 - ADL Modules
Calculate Pflegegrad (1-5) using 6 ADL modules per Begutachtungs-Richtlinien (BRi). Pflegegeld and Pflegesachleistung 2026.
Open tool →Body Fat Calculator
Calculate body fat percentage using the Navy method. Measure waist, neck, height and hips.
Open tool →Ideal Weight Calculator
Calculate ideal weight with 4 formulas: Devine, Robinson, Miller and Hamwi.
Open tool →Water Intake Calculator
Calculate daily water intake based on weight, activity and climate.
Open tool →BMR Calculator
Calculate Basal Metabolic Rate with Mifflin-St Jeor and Harris-Benedict formulas.
Open tool →Heart Rate Zones Calculator
Calculate 5 heart rate training zones using the Karvonen method.
Open tool →Period Tracker
Calculate next period date, ovulation and fertile window.
Open tool →BAC Calculator
Calculate Blood Alcohol Content using the Widmark formula. Estimate sobering time.
Open tool →Metabolic Age Calculator
Compare your BMR with age averages to estimate metabolic age.
Open tool →Smoking Cost Calculator
Calculate smoking costs: daily, monthly, yearly and over 10 years.
Open tool →Sleep Cycle Calculator
Calculate ideal sleep/wake times based on 90-minute sleep cycles.
Open tool →Pregnancy Weight Calculator
Calculate recommended pregnancy weight gain per IOM guidelines based on BMI.
Open tool →Blood Pressure Classifier
Classify blood pressure: normal, elevated, hypertension stage 1/2 and crisis.
Open tool →Menopause Calculator
Estimate menopause age based on risk factors: smoking, family history, BMI and exercise.
Open tool →BMI + Waist-to-Height Ratio
Calculate BMI and waist-to-height ratio (WHtR) with WHO 2024 classification. Assess cardiovascular risk based on abdominal fat distribution.
Open tool →Sleep Quality Scorer (PSQI)
Calculate your Pittsburgh Sleep Quality Index (PSQI) on a 0-21 scale. Get sleep quality category and 3 personalized tips.
Open tool →Daily Nutrition Macro Tracker
Track protein, carbs, fat and fiber. Calculate total kcal and compare with EFSA DRV values. Alerts for deficit and surplus.
Open tool →Daily Caffeine Intake Calculator
Calculate cumulative caffeine mg from espresso, tea, energy drinks and cola. Check FDA limits (≤400 mg/day) with 5-hour half-life countdown.
Open tool →Daily Water Intake Goal
Calculate daily water requirement (35 ml/kg base + activity bonus). Get an hourly schedule every 90 minutes.
Open tool →Menstrual Cycle Predictor
Predict the next 6 cycles and calculate fertile days with Knaus-Ogino method (ovulation = LMP+14, fertile window LMP+10..LMP+17).
Open tool →TDEE & Fitness Calorie Goal Calculator
Calculate TDEE with Mifflin-St Jeor formula. Set goal (loss/gain/maintain) and get target calories with macros split.
Open tool →Hydration Reminder
Set automatic reminders to drink water with browser notifications. Personalized schedule saved in localStorage.
Open tool →Huberman Protocol Tracker
Track 22+ evidence-backed Huberman Lab protocols (sleep, focus, mood, exercise, stress). 100% local privacy with IndexedDB, zero server. Free vs Huberman Companion App ($13/month).
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