UNDERSTANDING THE DIFFERENCE BETWEEN COUNTING CALORIES AND TRACKING MACROS
When you come across someone who is collecting data about their nutrition, they are very likely doing one of two things: counting calories or tracking macronutrients (or macros). Sometimes they are used interchangeably, and other times they are presented as completely different – and sometimes even opposing – approaches to tracking progress. But neither of those are correct; the details lie somewhere in the middle.
Calories and macros are very closely related. When you are tracking your macros, you are also tracking calories, even if calories aren’t the number you’re paying the most attention to. It’s not that one method highlights calories and the other ignores them; the difference between the two is how much information you are choosing to collect. (And, I’d argue, that if you are willing and able to collect data on one, you can do the other with almost no additional effort, and vice versa!)
A relatable analogy would be to compare this to looking at your bank account: knowing your account balance tells you an important piece of information. Knowing where your money is being spent tells you important details about the total number. And, if you are looking to make financial changes to the way you are spending your money, both of these can be valuable things to know, for different but related reasons.
Nutrition works the same way. Calories tell us how much energy we’re consuming – the total number. And macronutrients tell us where the energy is coming from. Both have value, and are meaningful on their own; together, they paint a more complete picture.
WHAT ARE CALORIES?
Simply put, calories are a unit of energy. Every food that contains any combination of protein, carbohydrates, and/or fat provide your body with energy, Your body uses that energy for everything – from breathing and digesting food to walking the dog, from chasing after your kids/nieces and nephews/grandkids to lifting weights, from thinking through a detailed project on a busy workday to running a marathon to recovering from exercise.
When someone is counting calories, the focus is on one number: how much total energy they are consuming each day. This matters because body weight is largely influenced by long-term energy balance. If, over time, you consistently consume more energy than your body uses, your weight is likely to increase; if you consistently consume less energy than your body needs, your weight is likely to decrease. If the two – your intake and expenditure – are relatively balanced, your weight is likely to stay fairly stable.
Calories matter, they always will. And. They are only a piece of the puzzle.
WHAT ARE MACROS?
Short for macronutrients, macros are the nutrients that provide those calories. There are three: protein, carbohydrates, and fat.
Each of these contributes to our caloric intake differently:
Protein provides 4 calories per gram
Carbohydrates provide 4 calories per gram
Fat provides 9 calories per gram
That means that your total caloric intake is the sum of your protein, carb, and fat intake. If you know your macros, you have all the information that you need to also know your calories. However, if you know your calories, you don’t have all the information needed to also know the breakdown of your macros.
If the bank account comparison resonated with you, this is similar to saying that if we know about all of our expenses, we can easily add them up to figure out how much we’ve spent in all. But conversely, just because we know our account total doesn’t mean we have insight into exactly what accounted for that spending.
WHY EACH MATTER
Calories matter because they are the foundation of energy balance. Whether your goal is to gain weight, lose weight, or maintain weight, calories are part of the equation. Our bodies can’t ignore the laws of energy balance, and at the same time, calories don’t tell us everything. (Again, calories give us insight to the total: our weight. They don’t give us specifics of how or where in our body we are gaining, losing, or maintaining.)
Knowing that you ate 2,300 calories today doesn’t explain why your workout felt great this morning, or why you’re feeling sluggish after lunch. Your caloric total can’t give the “why” behind your feeling hungry an hour after you ate breakfast, the seemingly constant craving of snacks in the evening, or why you’re struggling to recover from training. They can’t tell you why certain meals leave you feeling satisfied, while others (that seem similar) leave you feeling stuffed and still others (that also seem similar) leave you wanting more.
Calories tell us how much we are eating – not how much volume or how many nutrients, but give us an energy total. And they don’t give us the description of why we may feel the way we do.
Macros matter because they tell us about where and how this energy is serving our bodies. Each macronutrient plays a different role: protein supports muscle repair and growth, helps preserve lean muscle mass during weight loss, and is one of the more filling nutrients we eat; carbohydrates are our bodies preferred source of energy, fueling workouts, replenishing stored energy, and supporting brain and nervous system function throughout the day; and fat is essential for hormone production and regulation, cell function, vitamin absorption, and overall health.
Two people can consume the exact same number of calories on a daily basis while having vastly different experiences with hunger, energy, recovery, performance, and satiety, depending on how these calories are distributed. And over time, these discrepancies in experiences from person to person can continue to grow.
Looking at macros gives us additional context that calories alone cannot provide.
THE REAL VALUE OF TRACKING
I think one of the biggest misconceptions about tracking macros is that it’s only useful for/relevant to/or necessary for specific groups of people, namely bodybuilders and people trying to lose weight.
In reality, it can be for anyone and everyone, and I think one of the greatest benefits of tracking has very little to do with actually staying in certain macro or calorie ranges, but instead to think about the information that you are gathering. When we track our intake, even for a short period of time, we start seeing patterns that could be easy to miss, like consuming less protein or fiber than you thought, or that the real reason you’re still hungry every afternoon is because of what/when you’re eating lunch. Could be that you notice that even though you thought your weekends and weekdays looked pretty similar, they’re actually much more different than you thought, or that days and weeks that are stressful typically lead to more snacking. Might be that you see that your workouts feel different when you eat something beforehand, or that all the little bites you steal from your kids’ plates really do add up.
None of these things are good or bad information to learn, they’re all simply information, and knowing more information not only gives us more options, it allows us to be even more informed when deciding what options to make next.
TRACKING CAN TEACH US ABOUT MORE THAN JUST NUTRITION
One of my favorite things about tracking is that it often reveals patterns that have very little to do with food itself. Don’t get me wrong, having a better understanding of what you ate is helpful, but why you ate it – the context – is what can drive both knowledge and behavior change.
Maybe every Friday afternoon ends with a trip to the break room because you've had a mentally exhausting week. Perhaps your lowest-protein days happen when your calendar is packed with back-to-back meetings. Maybe your late-night snacking is nonexistent when bedtime is consistent, but you see that it increases every time you've had several nights of poor sleep. Could be that vacations you consider challenging aren’t the root of the problem, but that when you’re traveling you find yourself skipping meals more frequently.
These might not all be your reality, but I’m guessing you can relate to at least one and can also add a few examples from your life to the list. It doesn’t have to (and shouldn’t) be about the perfectionist precision of tracking every gram, but seeing nutrition in parallel with your schedule and routines and sleep and stress and environment and habits and…life.
Bringing it back to the money example one more time: most people do not budget because they enjoy spreadsheets (or maybe I’m just projecting here!). Most people do it because it helps them notice patterns they couldn't see before, and then use that information to make more informed decisions.
Or these useful posts, too:
TRACKING TIPS, PART 1 (the how, when, and what)
TRACKING TIPS, PART 2 (a deeper dive)
I can completely see how this blog post may read like “you should starting tracking your food and keep up with it forever,” and I actually think the exact opposite is true. I tell clients all the time that it is not forever – through the lens of tracking, my goal as a coach is to work myself out of a job.
Tracking is a tool.
Like training wheels (or nowadays, balance bikes) can help you learn to ride a bike, tracking can help you become more aware of portion sizes, identify habits, understand food choices, and build awareness around eating and eating-adjacent patterns. Over time, many people become confident enough to make these decisions without logging every (or any) meal; goal isn’t dependence, it’s education.
SO…WHICH APPROACH IS RIGHT FOR YOU?
Calories and macros aren’t competing approaches to nutrition, but they are different layers of the same picture, and depending on your goals, what you choose to track could feel like a game-changer to the way you view your progress.
Neither (counting calories or tracking macros) is inherently “better” than the other; they answer different questions. And whether you are counting calories, tracking macros, taking pictures of food, or simply writing down what you eat, the greatest benefit lies outside the numbers and in the awareness this data creates.
YOUR NEXT STEP
Have you spent time in the past counting calories or tracking macros, but are looking to better understand the information you’re collecting so that it can make a meaningful change? At Front Porch Nutrition, I coach real people through real-life nutrition — thinking through what your wants, needs, and goals are, and working together to make changes that last not just in the moment, but for the long haul. Get started with 1:1 nutrition coaching today!
