Nutrition & Diet Calculators

Use these nutrition & diet calculators to compare inputs, check formulas, and get faster answers within Health & Fitness.

Daily Calorie Intake Calculator

Daily Calorie Intake is evaluated from Sex, Age and Weight. The calculation reports Basal Metabolic Rate, Maintenance Calories and Daily Target Calories.

Macro Ratio Calculator

Macro Ratio is evaluated from Daily Calorie Goal, Body Weight and Diet Type. The calculation reports Protein, Fat and Carbs.

Water Intake Calculator

Water Intake is evaluated from Body Weight, Activity Level and Climate. The calculation reports Recommended Daily Water, Recommended Daily Water and Recommended Daily Water.

Protein Requirement Calculator

Protein Requirement is evaluated from Body Weight, Activity Level and Goal. The calculation reports Minimum Protein, Recommended Protein and Upper Optimal Range.

Carbohydrate Intake Calculator

Carbohydrate Intake is evaluated from Daily Calorie Goal, Body Weight and Carb% of Daily Calories. The calculation reports Daily Carb Target, Carb Calories and Carbs per kg body weight.

Keto Macros Calculator

Keto Macros is evaluated from Sex, Age and Weight. The calculation reports Daily Calorie Target, Net Carbs and Protein.

Intermittent Fasting Window Calculator

Intermittent Fasting Window is evaluated from IF Protocol and Eating Window Start. The calculation reports Eating Window, Fasting Window and Eating Window Ends.

Weight Loss Timeline Calculator

Weight Loss Timeline is evaluated from Current Weight, Goal Weight and Daily Calorie Deficit. The calculation reports Total Weight to Lose, Total Weight to Lose and Estimated Weeks.

Weight Gain Timeline Calculator

Weight Gain Timeline is evaluated from Current Weight, Target Weight and Daily Calorie Surplus. The calculation reports Total Weight to Gain, Estimated Weeks and Max Realistic Muscle/Month.

Child BMI Percentile Calculator

Child BMI Percentile is evaluated from Child's Sex, Age and Weight. The calculation reports BMI, Weight Category and Approximate Percentile.

Macronutrient Distribution Calculator

Macronutrient Distribution is evaluated from Daily Calorie Goal, Macro Ratio Preset and Body Weight. The calculation reports Carbohydrates, Protein and Fat.