How To Track Calories Properly

Written by Mackayla Brennan

Content writer and Nutrition student 

Mackayla Brennan is a health and nutrition content writer at Hercules Supplements. She focuses on creating evidence-based content on digestion, gut health and nutrition, helping everyday Australian's translate complex research into practical dietary advice.

Calorie tracking is one of the most common tools used to support weight loss, weight gain, or weight maintenance goals. At its core, it involves recording the amount of energy you consume through food and drinks each day. When used correctly, calorie tracking can help you better understand portion sizes, build awareness around your eating habits, and identify hidden sources of energy intake such as sauces, oils, sugary drinks, and snacks. However, tracking calories accurately requires more than simply guessing or logging meals at the end of the day. To get the most benefit from it, it is important to do it properly.

How to calculate your needs

It is important to understand that not everyone requires the same amount of energy to function. Your daily calorie needs depend on factors such as age, sex, body weight, muscle mass, activity levels, and overall goals.

For example, someone who trains regularly and has a higher amount of lean muscle mass will generally require more calories than someone who is less active. This is why calorie tracking works best when it is based on your individual needs rather than a one-size-fits-all approach.

How to use a tracking app

One of the easiest ways to track food properly is to use a food tracking app or a digital food diary. This allows you to record what you eat and drink throughout the day and compare data against your goals. Food tracking apps are reliable tools for improving diet awareness, consistency, and weight management. They provide calorie information for a wide range of foods, but they are only as accurate as the information entered. It is still important to double-check serving sizes, brands, and quantities rather than selecting the first option that appears. Some reliable tracking apps include MyFitnessPal and Cronometer.

Weighing food properly

When weighing food, accuracy is important to avoid errors in tracking. One of the first steps is making sure your scales are correctly tared before use, as this ensures the weight recorded reflects only the food itself and not the bowl, plate, or container.

Raw vs cooked weights

When it comes to weighing food, using the raw weight is generally considered the most accurate method. Cooked weights can vary depending on the cooking method, as foods often lose or gain water during preparation. Cooked weights can vary depending on the cooking method, as foods often lose or gain water during preparation. This can make tracking less precise if you rely only on cooked weight, so weighing food raw is generally the more accurate option. Therefore, it is generally recommended to weigh food raw whenever possible.

Track Everything You Consume

To track calories properly, it is important to include everything you eat and drink, not just main meals. Small extras can add up quickly over the course of the day.

This includes:

• sauces and dressings
• cooking oils and butter
• sugary drinks and juices
• snacks and bites throughout the day
• milk added to coffee
• takeaway meals and convenience foods 

Often, these extras are where hidden calories come from. Being aware of them can help create a more accurate picture of your intake.

Common Mistakes

Accurate food tracking starts with accurate measurement. One of the biggest mistakes people make is relying on visual estimates instead of weighing their food. Even small miscalculations can add up over time, especially when tracking calorie-dense foods. Using a kitchen scale is one of the simplest ways to improve accuracy. 

Another issue is relying on household measurements such as cups or generic serving sizes. These can vary significantly depending on the food and how it is packed or prepared. Measuring by grams or millilitres is usually far more reliable, particularly for foods that are dense, uneven in shape, or difficult to portion consistently.

Be Consistent With How You Log Food

Consistency matters when calorie tracking. For example, if you weigh food raw one day and cooked the next, your entries may not be accurate. The calorie content of foods can appear different depending on whether they are logged raw or cooked, especially foods like rice, pasta, and meat. Choose one method and stay consistent. Logging foods the same way each time can help reduce confusion and improve accuracy over time.

Treat it as a guide

While calorie counting can be a helpful tool, it should not be treated as something that has to be done perfectly. Food labels are not always exact, restaurant meals can be difficult to estimate, and some variation from day to day is normal. The goal of tracking is not perfection. It is to create greater awareness, structure, and consistency over time. Used in a balanced way, calorie tracking can help support informed food choices without becoming overly restrictive.

Focus on food quality

Research suggests that food quality is just as important as calorie intake when it comes to maintaining a healthy weight. Rather than choosing foods based only on their calorie value, it is better to prioritise high-quality, nutrient-dense foods and minimise lower-quality options.

Frequently Asked Questions

Do I need to track calories to lose weight?

No. Calorie tracking is a tool, not a requirement. Some people find it helpful because it builds awareness around portion sizes, food choices, and daily intake, while others prefer different approaches. When used properly, it can support weight loss, weight gain, or weight maintenance goals.

Should I weigh food raw or cooked?

In most cases, raw weight is considered the more accurate option because cooking can change a food’s weight through water loss or gain. This is especially important for foods like meat, rice, and pasta. The key is to choose one method and stay consistent with how you log it. 

How accurate are calorie tracking apps?

Calorie tracking apps can be useful, but they are only as accurate as the information you enter. It is important to check serving sizes, brands, and quantities carefully rather than relying on the first result that appears in the app. They can have a margin of error of 10–20% or more, especially for complex meals.

Is food quality still important if I’m tracking calories?

Yes. Calories matter, but food quality matters too. Focusing on high-quality, nutrient-dense foods can support overall health, satiety, and long-term weight management more effectively than focusing on numbers alone.

References 

Common Mistakes When Tracking Food - Total Sports Nutrition. (2024, March 15). Total Sports Nutrition. https://totalsportsnutrition.com.au/common-mistakes-when-tracking-food/

Kusuma, R. (2025, November 26). A dietitian’s guide to calorie counting. Bupa.com.au; Blua. https://blua.bupa.com.au/weight-and-nutrition/weight-management/a-dietitians-guide-to-calorie-counting

The Best Diet: Quality Counts. (2013, November 20). The Nutrition Source. https://nutritionsource.hsph.harvard.edu/healthy-weight/best-diet-quality-counts/