Explore simple, accessible health and wellness tools designed to help you understand your health, fitness, nutrition, and daily wellbeing.
Frequently used clinical metrics for foundational screening and daily lifestyle calibration.
Standard epidemiological screening indicator assessing weight-to-height proportionality.
Calculate accurate energy expenditure and realistic deficit or surplus targets.
Calculate physiological fluid needs based on body mass, exercise intensity, and climate.
Simple tools to help you understand your health, fitness, nutrition, and wellbeing.
Multi-profile conversational advisor powered by Google Gemini API and backend clinical synthesis. Switch between Person 1 and Person 2, consult specialized health experts, and discuss your calculated metrics with evidence-based feedback.
Humaan AI synthesizes your BMR, BMI, daily hydration, and workout splits into tailored clinical guidance.
Build lean muscle, maintain healthy blood pressure, and improve sleep recovery.
Build sustainable habits. Data is stored 100% locally in your browser with zero remote accounts.
Designed from the ground up for modern clarity, privacy, and scientific responsibility.
Easy-to-use tools designed for everyday users without convoluted clinical jargon or complex setup menus.
Calculations are performed strictly inside your browser. No personal health data ever touches external servers.
Engineered to work seamlessly across phones, tablets, and desktop workstations with responsive high-contrast layouts.
Tools provide general educational estimates and screening ranges, never misleading automated medical diagnoses.
Understanding the biological principles behind metabolic energy, sleep stages, and cardiovascular zones.
Human sleep progresses through distinct stages: light NREM, deep slow-wave, and REM sleep in approximately 90-minute blocks. Waking up midway during deep stage-3 sleep triggers sleep inertia—that groggy, disoriented feeling. Aligning alarms with cycle transitions promotes alert wakefulness.
Basal Metabolic Rate accounts for 60–70% of total daily burn purely for cellular maintenance and respiration. The remaining energy goes toward the thermic effect of food (10%) and physical activity. Sustainable fat loss avoids drastic deficits, preserving muscle mass and metabolic rate.
Even mild dehydration of 1–2% body mass impairs cognitive focus, mood, and thermoregulation. Because hydration needs fluctuate with muscle mass, ambient humidity, and perspiration rates, standardized fixed rules (like "8 glasses for everyone") are replaced by weight-adjusted guidelines.
Zone 2 training (60–70% of max heart rate) corresponds to the intensity where muscle cells maximize mitochondrial fat oxidation before lactate accumulation. Consistent Zone 2 training enhances insulin sensitivity, resting heart rate efficiency, and endurance capacity.
We believe personal health data belongs exclusively to you. Every calculation, converted unit, and tracked habit runs within your browser's private JavaScript runtime. No advertising cookies, no data brokerage, and no server databases.
Whether you are optimizing daily hydration, fine-tuning your workout heart-rate zones, or understanding your caloric balance, Humaan Health gives you clear, reliable screening metrics.
