Fitness & Wellness Tools
Private calculators for body, fitness, nutrition and sleep — with both Western and WHO Asian / South Asian standards built in. Everything runs in your browser; nothing is uploaded.
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BMI Calculator
BMI mapped against both Western and WHO Asian / South Asian thresholds.
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Body Fat % Calculator
US Navy circumference method with lean-mass breakdown.
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Calorie & Macro Calculator
BMR/TDEE via Mifflin-St Jeor & Harris-Benedict, plus macros.
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Heart Rate Zones
Karvonen training zones from warm-up to VO₂ max.
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Sleep Cycle Calculator
Best wake-up & bedtimes aligned to 90-minute cycles.
🔒 Everything runs in your browser — your data never leaves your device. Not medical advice.