Nutrition & Diet Calculators
60 free nutrition & diet calculators in Fitness & Health. The first 5 have a full write-up: the method, a worked example and questions specific to that calculator.
- BMR CalculatorCalculate basal metabolic rate via Mifflin-St Jeor, Harris-Benedict or Katch-McArdle.
- Calorie CalculatorFind your daily calorie needs for maintaining, losing or gaining weight.
- Macro CalculatorSplit your calorie target into protein, carbohydrate and fat grams.
- TDEE CalculatorCalculate total daily energy expenditure from BMR and your activity level.
- Water Intake CalculatorEstimate daily hydration needs from body weight, activity and climate.
- Alcohol Calorie CountCount calories in alcoholic drinks.
- BAC CalculatorEstimate blood alcohol content over time using the Widmark formula.
- Beverage Calorie CalculatorCount calories in drinks.
- Caffeine Per Day CalculatorTrack daily caffeine intake.
- Caffeine Timing CalculatorTime caffeine intake around sleep.
- Calcium Intake CalculatorCheck daily calcium intake.
- Calorie Density CalculatorCompare foods by calorie density.
- Calorie Log CalculatorSum logged calories for a day or week.
- Calories in Common FoodsLook up calories in common foods.
- Calories Per Meal GoalSet a calorie target per meal.
- Carb Timing CalculatorPlan carbohydrate intake around training.
- Carbohydrate CalculatorWork out daily carbohydrate needs for your goal and training load.
- Coffee Calorie CalculatorCount calories in coffee drinks.
- Creatine CalculatorPlan creatine loading and maintenance.
- Daily Fiber Intake CalculatorCheck daily fiber intake against goals.
- Electrolyte CalculatorCheck electrolyte intake needs.
- Fat Intake CalculatorCalculate recommended total and saturated fat intake for your calorie target.
- Food Calorie CounterCount calories in a day from foods.
- Grocery Nutrition ComparisonCompare foods on nutrition per serving.
- Hydration by ActivityAdd fluid needs from exercise.
- Hydration by WeightCalculate water needs from body weight.
- Iron Intake CalculatorCheck daily iron intake against needs.
- Ketone Ratio CalculatorCalculate keto macro ratios.
- Low Carb Daily IntakeCheck carbs against a low carb goal.
- Meal Calorie CalculatorTotal the calories in a meal from ingredients.
- Meal Prep Portion SizesDivide a batch into calorie-controlled portions.
- Meal Split CalculatorSplit daily calories across meals.
- Net Carb CalculatorCalculate net carbs from labels.
- Nutrition Label ReaderDecode a nutrition facts label.
- Omega 3 Intake CalculatorCheck daily omega-3 intake.
- Per Serving NutritionSplit recipe nutrition per serving.
- Post Workout NutritionPlan recovery nutrition after training.
- Pre Workout NutritionPlan what to eat before a workout.
- Protein CalculatorDetermine daily protein requirements from body weight, activity and goal.
- Protein Per BodyweightCalculate protein needs per bodyweight.
- Protein Per Meal CalculatorSplit protein intake across meals.
- Protein Timing CalculatorPlan protein intake around workouts.
- RDA Percentage CalculatorCheck intake against RDA percentages.
- Recipe Nutrition CalculatorCalculate nutrition of a whole recipe.
- Salad Calorie CalculatorCount calories in a salad.
- Salt Intake TrackerTrack daily sodium intake.
- Satiety Score CalculatorEstimate how filling a food is.
- Serving Size ConverterConvert nutrition between serving sizes.
- Smoothie Calorie CalculatorCount calories in smoothies.
- Snack Calorie CalculatorCount calories in snacks.
- Sports Drink vs WaterDecide when a sports drink is needed.
- Sugar Intake CalculatorTrack daily added sugar intake.
- Supplement Dose CalculatorCalculate supplement serving sizes.
- Sweat Loss CalculatorEstimate sweat loss during exercise.
- Vegan Meal Plan CostBudget a vegan meal plan.
- Vegan Protein CalculatorPlan protein from plant sources.
- Vitamin C Intake CalculatorCheck daily vitamin C intake.
- Vitamin Dose ConverterConvert vitamin doses between units.
- Weight Watcher Points CalculatorConvert nutrition label values into Weight Watchers-style points.
- Weight Watchers Freestyle PointsEstimate Weight Watchers style points.