Calculators to help you eat better
36 tools matched to this goal.
BMI Calculator
Body mass index from height and weight, with your healthy weight range.
BMR Calculator
Calories your body burns at complete rest.
TDEE & Daily Calorie Calculator
Total daily energy expenditure at each activity level.
Macro Calculator
Protein, carb and fat grams for your calorie target.
Protein Intake Calculator
Daily protein range for your weight and goal.
Fiber Intake Calculator
Your daily fiber goal and how your intake compares.
Sodium Intake Calculator
Add up sodium across meals and compare with limits.
Added Sugar Limit Calculator
Compare your sugar intake with WHO and AHA limits.
Meal Calorie Planner
Divide daily calories across your meals and snacks.
Weight Gain Calculator
Calories and timeline to gain weight steadily.
Daily Carbohydrate Target Calculator
Grams of carbohydrate per day from your calorie goal and carb share.
Daily Fat Target Calculator
Grams of dietary fat per day from calories and a fat percentage.
Net Carbs Calculator
Subtract fibre and sugar alcohols from total carbohydrate.
Macronutrient Calorie Split Calculator
Turn grams of protein, carbs and fat into calories and percentages.
Recipe Calories per Serving Calculator
Divide a recipe’s total calories by its number of servings.
Food Calories by Weight Calculator
Calories in a portion from calories per 100 g and the grams you eat.
Sugar in Teaspoons Calculator
Convert grams of sugar into teaspoons and compare with a daily limit.
Daily Calcium Needs Calculator
Recommended daily calcium based on age and sex.
Daily Iron Needs Calculator
Recommended daily iron intake for adults by sex and age.
Daily Vitamin D Needs Calculator
Recommended vitamin D intake by age, with the adult upper limit.
Daily Potassium Needs Calculator
Adequate daily potassium intake for adults by sex.
Protein per Meal Calculator
Split your daily protein target across the meals you eat.
Hand Portion Size Estimator
Estimate daily portions of protein, carbs, vegetables and fats using your hand.
Fruit and Vegetable Servings Tracker
See how close you are to a 5-a-day fruit and vegetable target.
Glycemic Load Calculator
How much a food portion raises blood sugar.
Carbohydrate Budget per Meal Calculator
Split your daily carbohydrate allowance across meals and snacks.
Plate Method Portion Calculator
Split a meal into vegetables, protein and starch using the plate method.
Pregnancy Calorie Calculator
Extra daily calories needed by trimester.
Breastfeeding Calorie Calculator
Calories and fluids needed while nursing.
Daily Folate Needs Calculator
Recommended daily folate (folic acid) for pregnancy, breastfeeding or not pregnant.
Child Calorie Needs Calculator
Daily energy needs for ages 3–18.
Child Iron Needs Calculator
Recommended daily iron for children and teens by age and sex.
Child Calcium Needs Calculator
Recommended daily calcium for infants, children and teens.
Toddler Milk Intake Checker
Check daily cow’s milk against the 480 ml (16 oz) guideline for toddlers.
Child Zinc Needs Calculator
Recommended daily zinc for children and teens by age and sex.
Cooking Oil Calories Calculator
Calories added to a dish by tablespoons of oil.
Other goals
- Lose weight
- Build muscle
- Eat better
- Get fitter
- Protect my heart
- Manage blood sugar
- Pregnancy & fertility
- Care for my child
- Sleep better
- Mental wellbeing
- Cut back on drink, smoke & caffeine
- Understand my lab results
Related guides
What Is BMI and What Does It Really Tell You?
BMI is a quick screening number. Here is what it measures, where it falls short and how to use it sensibly.
Weight & Body CompositionHow Many Calories Should You Eat to Lose Weight?
Work out a deficit that is effective without being extreme.
Weight & Body CompositionHow to Gain Weight in a Healthy Way
A steady calorie surplus with strength training builds muscle rather than just fat.