Health
Health calculators
Nutrition, biometrics, and goal tracking for health-focused workflows.
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12
Calculators built for health scenarios.
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12 calculators match your filter.
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BMI Calculator (Imperial)
Feet/inches and pounds for BMI plus weight class insights.
BMI Calculator (Metric)
Metric-friendly BMI with category classification.
BMR (Mifflin-St Jeor)
Calculates basal metabolic rate from gender, weight, height, and age.
Body Fat % (US Navy)
US Navy body-fat estimate with circumference measurements.
Body Surface Area Calculator
Computes Mosteller and Du Bois BSA with quick dosing hints.
Calorie Calculator
BMR, maintenance, cut, and bulk calories via Mifflin-St Jeor.
Calorie Deficit Planner
Shows the deficit, calorie target, and timeline needed to reach a goal weight.
Heart Rate Zones Calculator
Maps recovery through VO₂ max zones using the Karvonen method.
Macro Split Planner
Turns daily calories into protein, carb, and fat gram targets using preset or custom ratios.
Pregnancy Due Date
LMP-based due date with trimester milestones.
TDEE Calculator
Total daily energy expenditure from Mifflin-St Jeor BMR and activity multipliers.
Water Intake Calculator
Daily hydration target from weight, workouts, climate, and life stage adjustments.