How Many Calories Does Your Body Burn Each Day?

Your total daily calorie burn is made up of several distinct components, each contributing a different share to the overall figure.

Basal Metabolic Rate (BMR) — the biggest slice

Even at complete rest, your body burns calories to keep vital processes running: breathing, circulation, cell repair, and temperature regulation. This baseline figure — your basal metabolic rate — typically accounts for around 60–70% of all calories burned in a day. It is influenced by your body weight, height, age, and biological sex. All else being equal, a larger body requires more energy to maintain itself, which is why how many calories a man burns versus other groups often differs, largely due to differences in average body composition and muscle mass.

Activity and movement

Physical activity — from formal exercise to walking, fidgeting, and daily tasks — accounts for the most variable portion of your burn. Structured exercise matters, but so does general movement throughout the day, sometimes called non-exercise activity thermogenesis (NEAT). Someone with a physically active job may burn several hundred more calories daily than a sedentary person of the same size.

Thermic effect of food

Digesting and processing food costs energy too — roughly 5–10% of total daily expenditure for most people. Protein has a notably higher thermic effect than fat or carbohydrate, which is one reason adequate protein intake is often emphasised on a GLP-1 journey.

What does 'average' look like?

Broadly speaking, the average person burns somewhere in the range of 1,800–2,500 calories per day, with significant variation around that figure. A less active person of smaller stature may burn closer to 1,600 calories; a larger, more active person may burn well above 2,500. These are general educational ranges — your own number depends on your individual characteristics, and a personalised target should be discussed with your prescriber or doctor. For context on how this relates to what you eat, see our guides on how many calories a day you can eat and how many calories you should consume daily.

If you want to explore what calories actually are and how they work, that page covers the fundamentals in plain language.

Knowing your estimated daily calorie burn is most useful when you can see it alongside what you actually eat — and that is where GLP Trackr's food logging becomes genuinely practical. Rather than manually calculating every meal, you can use the app's AI photo-scan feature: point your camera at a plate of food and get an instant breakdown of calories, protein, and macros without typing a thing. On a GLP-1 journey where appetite is often reduced and meals are smaller, this kind of effortless logging means you can stay aware of your intake without it feeling like a chore.

Alongside food logging, GLP Trackr lets you set personal calorie and protein targets and tracks your progress toward them each day. The daily check-in captures your weight, energy, and other markers so you can start to see how your intake, activity, and results relate over time — insight that can be genuinely useful to bring to appointments with your prescriber or doctor.

For a broader look at calorie calculations and how to use them on your journey, visit the calorie calculator hub.

Any decisions about specific calorie targets or dietary changes should be guided by your healthcare professional, who knows your full picture. GLP Trackr is a tracking tool to support those conversations, not replace them.

Ready to bring your daily numbers together in one place? Download GLP Trackr on the App Store or Google Play — there is a free 7-day trial waiting for you.