Estimates the daily calories needed to maintain current weight based on the Mifflin-St Jeor equation and activity level.
Start with your values, or try a preset.
Enter Weight (lbs), Height (inches), Age (years), Gender, and Activity Level in the units shown.
Read Activity Multiplier, Basal Metabolic Rate (BMR), and Estimated Daily Calorie Needs to Maintain Weight in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Weight (lbs): 180 lbs; Height (inches): 70 in; Age (years): 35 years; Gender: Male; Activity Level: Sedentary (little to no exercise)
Activity Multiplier: 1.2; Basal Metabolic Rate (BMR): 1,757.7156 calories; Estimated Daily Calorie Needs to Maintain Weight: 2,109 calories
Weight (lbs): 140 lbs; Height (inches): 65 in; Age (years): 28 years; Gender: Female; Activity Level: Lightly Active (light exercise/sports 1-3 days/week)
Activity Multiplier: 1.375; Basal Metabolic Rate (BMR): 1,365.9038 calories; Estimated Daily Calorie Needs to Maintain Weight: 1,878 calories
Weight (lbs): 200 lbs; Height (inches): 72 in; Age (years): 40 years; Gender: Male; Activity Level: Moderately Active (moderate exercise/sports 3-5 days/week)
Activity Multiplier: 1.55; Basal Metabolic Rate (BMR): 1,855.184 calories; Estimated Daily Calorie Needs to Maintain Weight: 2,876 calories
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