All 10 Health & Fitness Calculators
Select from our complete catalog of peer-reviewed biometric models, calorie balance planners, and body composition analytics on Volton Metrics.
Body Composition
3 ToolsBMI Calculator (Body Mass Index & Weight Classification)
Calculate your Body Mass Index (BMI) using WHO & CDC clinical standards. Includes healthy weight range, weight category gauge, and target weight estimation.
Ideal Body Weight (IBW) Calculator
Compare clinical healthy weight benchmarks using 4 gold-standard medical equations: Devine, Robinson, Miller, and Hamwi formulas.
Body Fat Percentage Calculator (US Navy Method)
Calculate estimated body fat percentage and lean muscle mass using the official US Navy circumference method with anatomical tape measurements.
Nutrition & Energy
4 ToolsTDEE Calculator (Total Daily Energy Expenditure)
Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor formula. Accurately determines daily maintenance calories across all activity levels.
Daily Calorie Deficit & Fat Loss Planner
Plan safe, sustainable fat loss with scientifically verified calorie deficit targets. Visualizes daily caloric intake, weekly loss rates, and target timeline.
Macronutrient Ratio & Calorie Split Calculator
Calculate optimal daily grams of Protein, Carbohydrates, and Dietary Fats tailored for fat loss, muscle building, or athletic maintenance with interactive charts.
BMR Calculator (Basal Metabolic Rate)
Determine the exact number of baseline calories your body expends purely to stay alive at complete rest, using the revised Mifflin-St Jeor metabolic model.
Hydration & Wellness
2 ToolsDaily Water Intake & Hydration Calculator
Estimate your personalized daily hydration requirement based on body mass, physical exercise duration, and climate temperature.
Intermittent Fasting Schedule & Window Planner
Plan and track intermittent fasting protocols (16:8 Leangains, 18:6 Warrior, 14:10 Circadian, or 20:4) with customizable eating windows and fasting milestones.
Cardio & Performance
1 ToolsTarget Heart Rate & Cardio Zones Calculator
Calculate aerobic training thresholds and Karvonen heart rate zones (Warm-up, Fat Burn, Aerobic, Anaerobic, and VO2 Max) based on age and resting pulse.