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Here's how to figure out how many calories to eat to lose weight using the Mifflin-St. Jeor equation, a calorie deficit calculator, or by working with an RD.
To lose one pound of body weight, you typically need to create a calorie deficit of roughly 3,500 calories. This can be achieved through reducing calorie intake, increasing physical activity or both.
(For example, if the calculator determines your calorie goal is 2000 calories, subtracting 10% or 200 calories would give you a goal of 1800 calories per day for weight loss.)
The majority of guidelines agree that a calorie deficit, particularly 500-750 kcal daily, can be recommended to those who want to lose weight. [5] [12] A moderate decrease in caloric intake will lead to a slow weight loss, which is often more beneficial than a rapid weight loss for long term weight management. [8]
“All it takes is to do an online search for the Mifflin-St Jeor calculator to find the number of calories based on weight, age, gender, height, along with an activity factor,” says Escobar.
The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR).. The estimated BMR value may be multiplied by a number that corresponds to the individual's activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight.
The Hacker's Diet (humorously subtitled "How to lose weight and hair through stress and poor nutrition") is a diet plan created by the founder of Autodesk, John Walker, outlined in an electronic book of the same name, that attempts to aid the process of weight loss by more accurately modeling how calories consumed and calories expended actually impact weight.
Based on the steps above, a 180-pound, 5’11” man who trains five times per week needs 2,650 calories daily to maintain his weight and would eat 2,275 calories per day to lose three-quarters of ...