Weight Loss Calculator – Everyday Health
- We all need a basic amount of energy for our bodies to function, commonly called basal metabolic rate.
- Other factors, on top of the basal metabolic rate, can influence your calorie needs.
- To maintain your weight, you need to consume about the amount of daily calories that your body requires to support your basal metabolic needs and all your regular...
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How to Calculate Your Daily Calorie Needs
Table of Contents
Understanding Your Calorie needs
We all need a basic amount of energy for our bodies to function, commonly called basal metabolic rate. your body requires this amount of energy each day even if you’re resting comfortably in a bed the whole day, awake but not moving other than breathing. These functions provide energy to cells and tissues, circulate blood, assist with breathing, and support all your organs, like the lungs, brain, digestive tract, and kidneys.
Other factors, on top of the basal metabolic rate, can influence your calorie needs. According to the Dietary Guidelines for Americans, daily calorie needs vary based on many factors, including age, sex, height, weight, physical activity level, and pregnancy or lactation status.
To maintain your weight, you need to consume about the amount of daily calories that your body requires to support your basal metabolic needs and all your regular physical activity.To lose weight, you need to eat fewer calories than your body requires at your current activity level.
A common assumption is that a deficit of 3,500 calories will lead to the loss of 1 pound (lb) of body weight. that tends to be an oversimplistic equation and often overestimates weight loss. You’ll need to take other things into account to better determine your calorie needs.
Calculating Your Estimated Daily Energy Needs
To calculate your estimated daily energy needs, consider the following factors.
Current Weight
To determine the number of calories you need to maintain or lose weight, start by weighing yourself to find your current weight. If your weight is already in a healthy range for your height, aim to eat the number of calories required to maintain your weight. Healthy weight can be a subjective term, but the Centers for Disease Control and Prevention (CDC) provides guidance on healthy weight and calculating your body mass index (BMI).
If you’d like to lose weight, use a weight loss calculator to generate estimated calorie needs for gradual weight loss at your current weight.
Goal Weight
Choose a realistic goal weight (more on this later), or try a few different goal weights to see what the calculator will suggest for your calorie needs. Most weight loss calculators will use your goal weight to generate a calorie amount that should lead to gradual weight loss.
Date to Achieve Desired Weight
Weight loss calculators also typically ask for a timeframe to achieve your desired weight.A slower, more gradual weight loss is generally considered healthier and more sustainable. Aiming for 1-2 pounds of weight loss per week is a common suggestion.
Factors Influencing Calorie Needs: A Deeper Dive
Basal Metabolic rate (BMR)
BMR is the number of calories your body burns at rest. It’s influenced by factors like genetics, age, sex, and muscle mass. Individuals with more muscle mass generally have a higher BMR.
Activity Level
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