Health & Fitness Suite Client-Side & Private
Scientifically calibrated health, nutrition, and fitness calculators. Calculate your metabolic expenditure, body composition, and hydration needs—processed 100% locally on your device with zero server tracking.
BMR Calculator
Calculate your Basal Metabolic Rate using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas with daily calorie targets across 6 activity tiers.
BMI Calculator
Determine your Body Mass Index, WHO health classification, healthy target weight range, and BMI Prime with an interactive spectrum meter.
TDEE & Macro Calculator
Calculate your Total Daily Energy Expenditure and customized protein, carbohydrate, and fat gram ratios with an animated SVG donut chart.
Body Fat Calculator
Estimate body fat percentage, lean body mass (LBM), and fat mass using tape circumference measurements and ACE fitness standards.
Calorie Deficit & Goal Timeline
Forecast your fat loss journey with a safe daily calorie budget, progress milestone checkpoints, and an exact projected arrival date.
Daily Water Intake Calculator
Calculate your optimal daily fluid hydration in ounces, liters, and standard 8-oz glasses with an animated visual water tank fill meter.
Workout & Exercise Routines
Calibrated exercise programs for fat loss, cardiovascular endurance, lean muscle hypertrophy, and low-impact fitness with live checklists and audio rest timers.
🔒 Private & Client-Side Health Computing
Your physiological metrics, body weight, age, and fitness goals are strictly personal. Unlike most commercial health portals that store or transmit your data to third-party ad networks, all Jubaroo health tools execute 100% client-side via JavaScript right inside your web browser. No data ever leaves your device.
How the suite works together: Start with the BMR Calculator to determine your base metabolic requirements. Next, use the TDEE & Macro Calculator to scale up for daily activity and structure macronutrients. Plan long-term progress with the Calorie Deficit Timeline and verify muscle preservation with the Body Fat Calculator. Finally, execute your fitness plan with our interactive Workout & Exercise Routines.