Nutrition & Diet calculators
Calories, TDEE, macros, protein, water intake, keto and fasting.
37 free tools
Most used
Calorie CalculatorFind how many calories to eat to maintain, lose or gain weightCalorie Deficit CalculatorFind the daily calorie deficit to hit your goal weight by a set dateCreatine Dosage CalculatorFind your creatine loading and maintenance dose from body weightFasting TimerTrack your fast live and see when it ends and which stage you are inIntermittent Fasting CalculatorPlan your 16:8, 18:6, OMAD or 5:2 eating and fasting windowsKeto CalculatorGet your keto macros: net carbs, protein and fat grams per dayMacro CalculatorTurn your calorie target into daily protein, carb and fat gramsProtein CalculatorFind how many grams of protein you need per day for your goalSugar Intake CalculatorSee your daily added-sugar limit under WHO, AHA and US guidelinesTDEE CalculatorEstimate your total daily energy expenditure and maintenance caloriesWater Intake CalculatorFind how much water to drink a day for your weight, activity and climateWeight Gain CalculatorPlan your calorie surplus and timeline to gain weight or bulkWeight Loss CalculatorSee how long it will take to reach your goal weight — and when
More nutrition & diet tools
Alcohol Calorie CalculatorCount the calories in beer, wine and spirits for a night outCalories from Macros CalculatorTurn grams of protein, carbs, fat and alcohol into caloriesCarb Intake CalculatorFind how many grams of carbs to eat per day for your diet and trainingCarb Loading CalculatorPlan your pre-race carb load in grams per day and per mealChild Calorie CalculatorEstimate how many calories a child or teen needs each dayDaily Vitamin and Mineral Requirements CalculatorLook up your personal RDA, AI and upper limit for 23 nutrientsFat Intake CalculatorFind your daily fat and saturated fat targets in gramsFiber Intake CalculatorSee how much fiber you need per day and how close you areGlycemic Load CalculatorCombine glycemic index and carb grams to see a food’s real blood-sugar impactNet Carbs CalculatorSubtract fiber and sugar alcohols from total carbs in one stepNutrition Facts Label GeneratorMake an FDA-style Nutrition Facts label with correct rounding and %DVNutrition Label Portion CalculatorScale any Nutrition Facts label to the amount you actually eatProtein Per Meal CalculatorSplit your daily protein evenly across meals for muscle growthRecipe Calorie CalculatorAdd up your ingredients and get calories and macros per servingSodium Intake CalculatorAdd up your daily sodium and see how it compares with the limitsWeight Loss Percentage CalculatorSee what percentage of your body weight you have lost — and your weekly paceCalorie Density CalculatorFind the calories per gram of any food or meal and how filling it isCarb Cycling CalculatorPlan high, moderate and low carb days that still hit your weekly caloriesDIY Electrolyte Drink CalculatorMix a homemade electrolyte drink to exact sodium, potassium and carbsGlucose Ketone Index CalculatorDivide glucose by ketones to see how deep in ketosis you areMeal Calorie Split CalculatorDivide daily calories and macros across breakfast, lunch, dinner and snacksPercent Daily Value CalculatorWork out %DV for any nutrient using FDA Daily Values and your own caloriesProtein Powder Serving CalculatorCompare protein powders by cost per gram of protein and scoops neededReverse Diet CalculatorPlan a gradual week-by-week calorie increase back to maintenance