Calorie Calculator – TDEE, BMI

Reach your goal weight without the guesswork. Calorie Calculator shows exactly how many calories to eat to lose, gain, or maintain weight — and predicts how your body will actually change over time.

Most calorie counter and weight loss calculator apps still use the outdated 3,500-calorie rule, which assumes that cutting 3,500 calories always equals one pound of fat loss. Real weight change doesn't work that way. Calorie Calculator is built on a science-based dynamic body weight model developed by Kevin D. Hall and colleagues. It accounts for the fact that weight change isn't perfectly linear, and that your metabolism, energy expenditure, and daily calorie needs shift as your body changes — so your calorie deficit or surplus stays realistic from day one to your goal.

If you've ever wondered how many calories you should eat to lose weight, how to count calories for your goal, or how long it will take to reach a target weight, Calorie Calculator answers these questions with personalized, science-based estimates instead of generic numbers.

Simple inputs, instant estimates, no complicated spreadsheets.

Key Features:

- Predict your weight months ahead
Pick a daily calorie intake and see how your weight, BMI, and body fat percentage are projected to change over time.

- See your progress in detailed charts
Track projected changes in weight, BMI, and body fat percentage with clear, easy-to-read charts.

- Find the calories for your goal weight
Get the daily calorie target you need to reach your goal weight — with or without a deadline — plus the maintenance calories to hold it afterward.

- Calculate your calorie deficit
See the exact daily deficit for weight loss, or the surplus you need to gain weight and build muscle.

- Get your macros: protein, carbs, and fat
Use the built-in macro calculator to set targets from your calorie goal, then fine-tune the ratio to match your nutrition preferences.

- Know your TDEE, BMR, and RMR
This TDEE calculator estimates your daily calorie needs from your body data and activity level.

- Check your BMI and ideal weight range
Instantly see your BMI and an estimated healthy, ideal weight range based on your body data.

- Match calories to your real lifestyle
Customize your activity level so your calorie targets stay personal and realistic.

- Go deeper with advanced settings
For more precise estimates, adjust body fat percentage, RMR, and sodium intake.

Whether you want to lose weight, gain muscle, count calories, or simply understand your daily energy needs, Calorie Calculator gives you a clear, realistic plan based on real science — not a one-size-fits-all formula.

Download Calorie Calculator and get your personalized calorie and macro plan in seconds.

This calculator is intended for adults aged 18 years or older. It is not intended for children, teenagers, pregnant women, or breastfeeding women. The information provided is for educational and informational purposes only and is not medical advice. It should not be used to diagnose, treat, or manage any health condition. For personal health questions or medical guidance, please consult a qualified healthcare provider who knows your medical history.

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Terms of use – https://www.apple.com/legal/internet-services/itunes/dev/stdeula