Yahoo answers how many calories a day

The FDA recommends adults eat 2, calories a day , but many diets drop that number way down to 1, or 1, a day for women. As helpful as the FDA is trying to be, there's no easy answer as to how many calories everyone should eat in a day; it all boils down to personal metabolism , body composition, and activity level.

In general, your daily calorie needs are based on your resting metabolic rate RMR , which is the amount of calories your body burns at rest to perform basic functions to keep you alive: breathing, heart beating, brain power, etc.

You can get your RMR tested with a clinical RMR test, like our assistant fitness editor Tamara Pridgett did at Fitnescity , which is the most accurate way to determine how many calories your body burns at rest. Jeor equation , which is based on your total bodyweight, height, age, and sex.

It's a little more complicated, but it's more accurate than quick-and-dirty formulas found online. For a woman, the calculation is:. For a woman who is 30 years old, 5'6" Once you have that number, then we can determine how many calories you need to eat in a day, whether you want to lose weight, gain muscle, or maintain. Your RMR is just that: the calories you burn at rest.

It doesn't take into account all the calories you burn through exercise or other daily activities such as walking around the office and taking the stairs. So for that 1, RMR, you can eat around 1, calories a day and still expect to lose weight.

Just don't go below 1, calories a day, which is 20 percent - in general, Jim said women shouldn't eat below 1, calories a day to avoid negatively affecting their metabolism and energy levels.

It also depends on how much weight, specifically fat, you need to lose. If you want to keep your weight the same, you will have to factor in your RMR and the calories you burn with exercise and daily activity.

To figure out how many calories you burn each day, you can use a fitness tracker such as a Fitbit or Apple Watch. Although these aren't percent accurate, it will give you a good estimate of how many calories you burn each day. And remember: although it can be used up to hours after unprotected sex, the most effective time frame is within 72 hours.

Type keyword s to search. Today's Top Stories. All of the Best Chocolate Advent Calendars. How many calories to lose weight? How to gain weight fast? This answer, for most people, is quite simple: Eat more and move less.

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To truly answer the question of, "how many calories should I eat to lose weight? To do this, it's widely accepted to follow the Harris-Benedict equation.

The first thing you need to know is your basal metabolic rate, or BMR, which you can figure out by plugging your age, height, and weight into this calculator. Then, choose your daily activity level - ranging from sedentary to extra active - and follow the suggested equation. This final number will give you the total number of calories you need in order to maintain your current weight.

Once you have that, you can adjust appropriately to lose weight. Otherwise, remember to "focus on a meal plan that's rich in fiber, plant-based fats, and lean proteins to promote satiety," Palinski-Wade says. A good rule of thumb: fill half of your plate with fruits and veggies, one-quarter with protein, and the rest with whole grains. Round it out with a glass of milk or a cup of yogurt and you're all set - no calorie-counting required.

Tips for Losing Weight in Your Face. A Chinese professor visiting Los Angeles early this month fought off an attacker using martial arts in an incident that has gone viral across Chinese media. Pigai came to Los Angeles on Oct.

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