Losing more than 2 pounds a week will likely involve muscle loss, which in turn lowers BMR, since more muscle mass results in higher BMR. It is inadvisable to lower calorie intake by more than 1, calories per day, as losing more than 2 pounds per week can be unhealthy, and can result in the opposite effect in the near future by reducing metabolism. It is important to remember that proper diet and exercise is largely accepted as the best way to lose weight. As such, in order to lose 1 pound per week, it is recommended that calories be shaved off the estimate of calories necessary for weight maintenance per day.įor example, if a person has an estimated allotment of 2, calories per day to maintain body-weight, consuming 2, calories per day for one week would theoretically result in 3, calories or 1 pound lost during the period. This value is multiplied by an activity factor generally 1. The value obtained from these equations is the estimated number of calories a person can consume in a day to maintain their body-weight, assuming they remain at rest. The three equations used by the calculator are listed below. Of these equations, the Mifflin-St Jeor Equation is considered the most accurate equation for calculating BMR with the exception that the Katch-McArdle Formula can be more accurate for people who are leaner and know their body fat percentage. It was revised in to be more accurate and was used up untilwhen the Mifflin-St Jeor Equation was introduced. The Harris-Benedict Equation was one of the earliest equations used to calculate basal metabolic rate BMRwhich is the amount of energy expended per day at rest.
This Calorie Calculator is based on several equations, and the results of the calculator are based on an estimated average. The following converter can be used to convert between Calories and other common food energy units.
This calculator can also provide some simple guidelines for gaining or losing weight. The Calorie Calculator can be used to estimate the number of calories a person needs to consume each day.
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