All Calculators by Category
Explore our full directory of free health and wellness calculators, organized by topic.
Nutrition & Metabolism
13 Calculators- Basal Metabolic Rate (BMR) CalculatorEstimate your basal metabolic rate (BMR)—resting calorie...
- Total Daily Energy Expenditure (TDEE) CalculatorCalculate your Total Daily Energy Expenditure (TDEE) and...
- Calorie Deficit & Weight Loss CalculatorCalculate your daily calorie target for weight loss from...
- Healthy Weight Gain & Muscle Building CalculatorCalculate your daily calorie surplus and target for...
- Calorie CalculatorEstimate your daily calorie needs based on your age,...
- Ketogenic Diet Macro & Calorie CalculatorCalculate keto macros—daily calories, fat, protein, and...
- Macronutrient & Calorie CalculatorCalculate your daily calorie needs and get a personalized...
- Micronutrient Deficiency Risk CalculatorEstimate your risk of micronutrient deficiencies based on...
- Vitamin D Deficiency Risk Assessment CalculatorAssess your vitamin D deficiency risk for the Indian...
- Protein Target CalculatorCalculate daily protein targets in grams from body...
- Daily Water Intake CalculatorCalculate your ideal daily water intake based on your...
- Chronotype & Meal Timing CalculatorDetermine your ideal meal times based on your chronotype...
- Intermittent Fasting Schedule & Calorie CalculatorPlan 16:8, 18:6, 20:4, 5:2, or OMAD fasting schedules...
Body Composition
8 Calculators- Body Mass Index (BMI) CalculatorCalculate your Body Mass Index (BMI) from height and...
- Ideal Body Weight CalculatorCalculate ideal weight for your height using Devine,...
- Body Fat Percentage CalculatorCalculate your body fat to understand your fitness level...
- Waist-to-Height Ratio (WHtR) CalculatorCalculate waist-to-height ratio (WHtR) from waist and...
- Waist-to-Hip Ratio (WHR) Health Risk CalculatorCalculate waist-to-hip ratio (WHR) from waist and hip...
- Body Shape Calculator (Apple, Pear, Hourglass, Rectangle)Find your body shape from shoulder, bust, waist, and hip...
- Lean Body Mass (LBM) CalculatorEstimate lean body mass (fat-free mass) from weight,...
- Visceral Fat Risk CalculatorEstimate visceral (abdominal) fat risk using...
Fitness & Cardio
6 Calculators- Weight Loss Goal & Timeline CalculatorProject your weight loss timeline from current and goal...
- Calories Burned During Exercise CalculatorEstimate calories burned during walking, running,...
- VO2 Max & Longevity CalculatorEstimate your VO2 Max to assess cardiovascular fitness...
- Heart Rate Zone CalculatorCalculate five heart rate training zones with Zone 2...
- Running Pace & Race Time CalculatorCalculate running pace per km and per mile, finish time,...
- One Rep Max (1RM) Strength CalculatorEstimate your one-rep max from weight and reps for bench...
Sleep & Circadian Health
3 CalculatorsAging & Longevity
4 Calculators- Biological Age CalculatorEstimate your biological age based on lifestyle, health,...
- Metabolic Age CalculatorCalculate your metabolic age based on your BMR, body...
- Longevity Score CalculatorFree 0–100 longevity score from six lifestyle pillars:...
- Life Expectancy & Longevity Risk CalculatorEstimate your life expectancy based on your age, gender,...
Heart & Metabolic Health
8 Calculators- Heart Age CalculatorCalculate your heart's biological age based on...
- Cardiovascular Risk CalculatorEstimate heart disease and stroke screening risk from...
- Type 2 Diabetes Risk Assessment CalculatorAssess type 2 diabetes risk using the Indian Diabetes...
- Insulin Resistance (HOMA-IR) CalculatorCalculate HOMA-IR from fasting glucose and fasting...
- Kidney Function (eGFR) CalculatorEstimate your kidney function by calculating your...
- Thyroid Disorder Risk Assessment CalculatorFree thyroid risk calculator & symptoms checker: weighted...
- Blood Pressure Interpreter & Risk CalculatorInterpret blood pressure with AHA/ACC 2017 categories,...
- Cholesterol Level Interpreter & Heart Risk CalculatorInterpret cholesterol with AHA/ACC lipid thresholds,...