How Many Calories Per Day Do Women Need?

Calorie needs are not one-size-fits-all. General guidelines suggest that adult women commonly need roughly 1,600–2,000 kcal per day, while adult men tend to need more — often in the range of 2,000–2,500 kcal — largely because of differences in average body size and muscle mass. These are population-level averages, not personal prescriptions; your own figure will vary.

Key factors that influence your daily calorie needs

• Activity level: The more you move, the more energy your body burns each day. A sedentary day and an active one can differ by several hundred kilocalories.
• Age: Calorie needs tend to decrease gradually with age as muscle mass and metabolic rate change.
• Body size and composition: Larger bodies and those with more muscle generally burn more calories at rest.
• Metabolic health: Conditions and medications can influence how efficiently the body uses energy.

Calorie needs on a GLP-1 medicine

When you are taking Mounjaro (tirzepatide) or Wegovy (semaglutide), reduced food noise and earlier feelings of fullness often mean your actual intake drops noticeably. While eating less can support your goals, eating too little — below around 1,200 kcal for most women — can make it hard to meet protein, vitamin, and mineral needs. General guidance from nutrition bodies suggests that most adults should not fall below a sensible minimum for their size; for specific targets, your prescriber or doctor is the right person to advise you based on your full picture.

Curious about the numbers from a different angle? See how calories relate to each pound of weight change, or explore the average calorie intake across different groups for broader context. If you want to look at the male side of this equation, our page on daily calories for men covers that in detail.

Knowing your rough calorie range is useful — but actually hitting it consistently, especially when appetite fluctuates on a GLP-1 medicine, is where many people find tracking genuinely helpful.

GLP Trackr's AI photo scan lets you point your phone camera at a meal and get an instant breakdown of calories, protein, and macros — no manual searching needed. On days when appetite is low and meals are small, this makes it easy to check you are eating enough rather than too little, without the friction of typing everything in.

Once you have set a daily calorie target in the app, the food log keeps a running total throughout the day so you can see at a glance where you stand. You can also set a protein goal alongside it — useful because protein helps preserve muscle during weight loss, and it becomes even more important when overall intake is reduced.

All of this feeds into the app's daily insights, so over time you can see how your food intake relates to your energy levels, weight trend, and other logged data. For a deeper look at how to approach a calorie deficit on your GLP-1 journey, the calorie deficit guide brings it all together.

If you want to see how your real intake compares day to day, snap your meals and let GLP Trackr do the counting — available free on the App Store and Google Play, with a 7-day trial to get started.