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Health
BMI Calculator
Calculate adult BMI, category, and a healthy weight range.
Understand useful health and wellness measurements.
14 available
Browse by nutrition, body measurement, or fitness task. These tools provide informational estimates rather than medical advice.
14 calculators
Health
Calculate adult BMI, category, and a healthy weight range.
Health
Estimate basal metabolic rate with two established formulas.
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Estimate maintenance calories and goal-adjusted daily needs.
Health
Estimate total daily energy expenditure from BMR and activity level.
Health
Estimate adult body fat percentage from height and circumference measurements.
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Compare Devine, Robinson, Miller, and Hamwi ideal-weight estimates.
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Estimate daily protein, carbohydrate, and fat targets from TDEE.
Health
Compare Boer, James, and Hume lean-body-mass estimates or use known body fat.
Health
Estimate a daily total-fluid range from weight, activity, climate, and life stage.
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Estimate five adult training zones with maximum-HR or heart-rate-reserve methods.
Health
Compare six established 1RM estimates and training percentage loads.
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Calculate pace, speed, distance, finish time, splits, and race projections.
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Estimate a daily adult protein range from weight, activity, and goal.
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Compare four established body surface area estimates.