Dietary Calculators
All dietary calculators in one place.
Calorie Calculator
Estimate your daily calorie needs (BMR & TDEE) for maintenance, weight loss, or muscle gain.
BMR Calculator
Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.
Harris-Benedict Calculator
Calculate your Basal Metabolic Rate using the Harris-Benedict equation.
Katch-McArdle Calculator
Calculate BMR using the Katch-McArdle formula based on lean body mass.
BEE Calculator
Calculate your Basal Energy Expenditure at complete rest.
RMR Calculator
Calculate your Resting Metabolic Rate, the calories burned at rest.
TDEE Calculator
Calculate your Total Daily Energy Expenditure based on activity level.
EER Calculator
Calculate your Estimated Energy Requirement based on age, sex, and activity.
Calorie Deficit Calculator
Calculate the calorie deficit needed to lose weight at your target pace.
Calorie Intake Calculator
Get a quick estimate of your daily calorie intake target.
Maintenance Calorie Calculator
Calculate the calories needed to maintain your current weight.
Meal Calorie Calculator
Estimate the calories in a meal from its ingredients and portions.
Macro Calculator
Calculate your ideal daily protein, carb, and fat split based on your goals.
Body Recomposition Calculator
Plan calorie and protein targets for losing fat while building muscle.
IIFYM Calculator
Calculate flexible dieting macros using the If It Fits Your Macros method.
Protein Calculator
Calculate your daily protein needs based on weight, goal, and activity level.
Carb Calculator
Calculate your daily carbohydrate needs based on your calorie goal.
Net Carbs Calculator
Calculate net carbs by subtracting fiber and sugar alcohols from total carbs.
Carb Counting Calculator
Add up carbs from any meal using common household servings.
Weight Watchers Points Calculator
Estimate points for any food and get your personalized daily points budget.
Fat Intake Calculator
Calculate your recommended daily fat intake based on total calories.
Fiber Calculator
Calculate your recommended daily dietary fiber intake.
Keto Calculator
Calculate your macro targets for a ketogenic diet.
Added Sugar Intake Calculator
Check your added sugar intake against recommended daily limits.
Diet Risk Score Calculator
Score your diet quality and everyday health risk from a 10-question habits quiz.
Sodium in Salt Calculator
Convert between salt and sodium amounts on nutrition labels.
Micronutrient Calculator
Check your intake of key vitamins and minerals against daily recommendations.
Vitamin Calculator
Estimate your daily vitamin needs based on age and sex.
Vitamin A Calculator
Calculate your recommended daily Vitamin A intake, RDA, and safe upper limit.
Vitamin D Calculator
Calculate your recommended daily Vitamin D intake, RDA, sun exposure, and blood test level.
DRI Calculator
Calculate Dietary Reference Intake values for key nutrients.
Diet Risk Score Calculator
Score your diet quality and health risk based on eating habits.
Weight Loss Percentage Calculator
Calculate the percentage of body weight lost between two dates.
Weight Gain Calculator
Calculate the calorie surplus needed to gain weight at your target pace.
Gastric Sleeve Weight Loss Calculator
Project expected weight loss after gastric sleeve surgery over time.
Weight Watchers Points Calculator
Estimate points values for foods on a points-based diet system.
Quarantine Activity Calculator
Estimate calories burned from home workouts and everyday indoor activity.
ABV & Proof Calculator
Calculate alcohol by volume from gravity readings, convert ABV to proof, and work out standard drinks, calories, dilution, and blending.
BAC Calculator
Estimate your Blood Alcohol Concentration from your drinks, weight, and time using the Widmark formula, with impairment stage and sober-up time.