Health Calculators
Health and fitness calculators for BMI, BMR, calorie management, and hydration planning.
Browse by Topic
Fitness Calculators
Calculate calories burned, target heart rate, VO2 max, and track your fitness progress.
Nutrition Calculators
Calculate daily calorie needs, macronutrients, protein intake, and plan your nutrition.
Body Metrics
Calculate BMI, body fat percentage, ideal weight, and track body composition.
All Calculators
BMI Calculator
Calculate your Body Mass Index (BMI) and understand your weight category.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) - the calories your body burns at rest.
Body Fat Percentage Calculator
Calculate your body fat percentage using the Navy method based on measurements.
Body Fat Percentage Calculator
Calculate body fat percentage using body measurements (Navy method).
Body Surface Area Calculator
Calculate body surface area (BSA) using the Mosteller formula.
Bone Mass Calculator
Estimate bone mass based on height, weight, age, and gender.
Calorie Deficit Calculator
Estimate your calorie deficit using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calories Burned Calculator
Estimate calories burned during various activities based on weight and duration.
Carbohydrate Calculator
Calculate daily carbohydrate needs based on activity level and goals.
Child BMI Calculator
Calculate BMI percentile for children and teens (ages 2-20).
Fiber Calculator
Calculate daily fiber needs based on age, gender, and calorie intake.
Ideal Weight Calculator
Calculate your ideal body weight based on height and gender using the Robinson formula.
Lean Body Mass Calculator
Calculate lean body mass (LBM) from weight and body fat percentage.
Macronutrient Calculator
Calculate daily macronutrient needs (protein, carbs, fats) based on calories and goals.
Metabolic Age Calculator
Estimate metabolic age based on BMR, age, and gender. | Free online calculator at Toolviora
One Rep Max Calculator
Calculate your one-rep maximum (1RM) lifting strength from submaximal lifts.
Pace Calculator
Calculate running or walking pace per kilometer or mile. | Free online calculator at Toolviora
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI.
Protein Intake Calculator
Calculate your recommended daily protein intake based on weight, activity level, and goals.
Sleep Calculator
Calculate optimal sleep and wake times based on sleep cycles.
Sodium Intake Calculator
Calculate recommended daily sodium intake and track consumption.
Target Heart Rate Calculator
Calculate target heart rate zones for exercise based on age and fitness goals.
TDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) - the total calories you burn per day.
VO2 Max Calculator
Estimate VO2 max (maximum oxygen consumption) using the Cooper test or resting heart rate method.
Waist-to-Height Ratio Calculator
Calculate waist-to-height ratio for better health risk assessment than BMI alone.
Waist-to-Hip Ratio Calculator
Calculate waist-to-hip ratio to assess body fat distribution and health risks.
Water Intake By Weight Calculator
Estimate your water intake by weight using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake Calculator
Calculate your recommended daily water intake based on your weight and activity level.
Water Intake By Age Calculator
Estimate your water intake by age using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake Pregnancy Calculator
Estimate your water intake pregnancy using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake Athlete Calculator
Estimate your water intake athlete using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake By Activity Calculator
Estimate your water intake by activity using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake By Climate Calculator
Estimate your water intake by climate using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake Summer Calculator
Estimate your water intake summer using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Water Intake Office Worker Calculator
Estimate your water intake office worker using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat Navy Method Calculator
Estimate your body fat navy method using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat Jackson Pollock 3 Site Calculator
Estimate your body fat jackson pollock 3 site using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat Jackson Pollock 7 Site Calculator
Estimate your body fat jackson pollock 7 site using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat By Bmi Calculator
Estimate your body fat by bmi using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat By Waist Hip Calculator
Estimate your body fat by waist hip using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat By Age Calculator
Estimate your body fat by age using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Body Fat Athlete Calculator
Estimate your body fat athlete using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie Maintenance Calculator
Estimate your calorie maintenance using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie Surplus Calculator
Estimate your calorie surplus using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie Weight Loss Calculator
Estimate your calorie weight loss using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie Weight Gain Calculator
Estimate your calorie weight gain using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie Recomposition Calculator
Estimate your calorie recomposition using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie Per Meal Calculator
Estimate your calorie per meal using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Calorie By Macro Split Calculator
Estimate your calorie by macro split using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake For Weight Loss Calculator
Estimate your protein intake for weight loss using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake For Muscle Gain Calculator
Estimate your protein intake for muscle gain using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake For Maintenance Calculator
Estimate your protein intake for maintenance using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake For Athletes Calculator
Estimate your protein intake for athletes using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake For Seniors Calculator
Estimate your protein intake for seniors using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake For Vegans Calculator
Estimate your protein intake for vegans using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Protein Intake Per Meal Calculator
Estimate your protein intake per meal using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Target Zone Calculator
Estimate your heart rate target zone using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Fat Burning Zone Calculator
Estimate your heart rate fat burning zone using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Vo2 Max Zone Calculator
Estimate your heart rate vo2 max zone using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate By Age Calculator
Estimate your heart rate by age using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Recovery Calculator
Estimate your heart rate recovery using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Resting Calculator
Estimate your heart rate resting using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Interval Training Calculator
Estimate your heart rate interval training using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.
Heart Rate Marathon Training Calculator
Estimate your heart rate marathon training using established health formulas so you can track progress, understand your numbers, and make better lifestyle decisions.