Calorie Deficit Calculator

This calculator will determine the estimated total number of calories you need to maintain your current weight based on your BMR (Basal Metabolic Rate) and your level of activity. It will also give you the estimated number of calories you should be eating in a day to lose fat (calorie deficit).

Note: This calculator will underestimate caloric needs for the extremely muscular and will overestimate caloric needs for the extremely overweight. Please consult your doctor if you have any questions.

Female    Male
Weight: 
Height: 
Age:  years
Level of Activity:
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Total Daily Calorie Needs
Calorie Deficit of 500 calories:
Calorie Deficit of 1000 calories:
Calorie Deficit of 15%:
Calorie Deficit of 20%
Calorie Deficit of 25%:
Calorie Deficit of 30%:
This calculator will not allow calorie deficits below 1200 for women and 1800 for men.





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I'm Suzanne, the owner of FitWatch.com. I'm also an ACE-certified Lifestyle & Weight Management Coach. I created the FitWatch website back in 2002 to help you reach your weight loss goals - and keep the weight off - by giving you the know-how, tools and motivation to create healthy food and exercise habits you can live with for the rest of your life.

Read more about how FitWatch can help you reach your weight loss goals.

FitWatch Fitness Tracker  |  Online Calorie Counter  |  Recipe Analyzer  |  Nutritional Profile  |  Vitamins & Minerals  |  Workout Planner

Basal Metabolic Rate  |  Body Mass Index  |  Target Heart Rate  |  Total Daily Calorie Needs  |  How Many Calories Did I Burn?

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