How Many Calories Should You Eat?

The number of calories you should eat each day depends on a number of factors, including your age, sex, activity level, and weight loss goals.

Age

As we age, our metabolism slows down, so we need to eat fewer calories to maintain a healthy weight. For example, a 20-year-old woman who is moderately active needs to eat about 2,000 calories per day, while a 50-year-old woman who is moderately active needs to eat about 1,800 calories per day.

Sex

Men typically have a higher metabolism than women, so they need to eat more calories to maintain a healthy weight. For example, a 20-year-old man who is moderately active needs to eat about 2,400 calories per day, while a 20-year-old woman who is moderately active needs to eat about 2,000 calories per day.

Activity level

The more active you are, the more calories you need to eat to maintain a healthy weight. For example, a person who exercises vigorously for an hour every day needs to eat about 500 more calories per day than a person who does not exercise.

Weight loss goals

If you are trying to lose weight, you need to eat fewer calories than you burn each day. The number of calories you need to cut from your diet depends on how quickly you want to lose weight. For example, if you want to lose 1 pound per week, you need to cut about 500 calories from your diet each day.

How to calculate your calorie needs

There are a number of ways to calculate your calorie needs. One way is to use the Harris-Benedict formula:

For women:

BMR = 655 + (9.6 × body weight in kg) + (1.8 × body height in cm) - (4.7 × age in years)

For men:

BMR = 66 + (13.7 × body weight in kg) + (5 × body height in cm) - (6.8 × age in years)

Your BMR is the number of calories you need to burn each day to maintain your current weight. To lose weight, you need to eat fewer calories than your BMR.

Another way to calculate your calorie needs is to use an online calculator. There are a number of free calorie calculators available online.

Tips for eating a healthy diet

* Eat plenty of fruits and vegetables.
* Choose whole grains over refined grains.
* Limit your intake of processed foods, sugary drinks, and unhealthy fats.
* Cook more meals at home.
* Eat smaller portions.
* Drink plenty of water.

Eating a healthy diet is important for maintaining a healthy weight and reducing your risk of chronic diseases. If you are not sure how many calories you should eat each day, talk to your doctor or a registered dietitian.