How do you calculate your calorie deficit? Step 1: Determine your maintenance calories Your maintenance calories are the number of calories your body needs to maintain its current weight.

Medically reviewed by Kayla Girgen, RD Follow a high-protein diet to burn more calories, as protein takes more energy to ...

Find out how many calories you need daily to maintain or lose weight with Forbes Health's Calorie Calculator, backed by a panel of nutrition experts.

YOU BURN CALORIES all day long as your body carries out its normal functions, like breathing and digestion. Physical activity, whether it’s a workout or running errands, can increase the burn. All of ...

If you want to lose weight, you have to be in a calorie deficit, meaning the calculator will set your daily food intake to equal less calories than what you burn.

"Fluid intake is much more straightforward to calculate than caloric needs, so it is not surprising that clinical decision support is more commonly available for this function," says Dr. Falciglia.

Determine how quickly you want to lose (or gain) weight. A common rate of weight loss is one pound per week. Bonci’s suggestion of losing between half a pound to three-quarters of a pound per week, ...