Calorie (TDEE) Calculator
Estimate your daily calorie needs (TDEE) based on your BMR and activity level, plus targets for losing or gaining weight.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
How many calories should I eat?+
Your TDEE is BMR Γ an activity multiplier. To lose weight, eat ~500 kcal below it; to gain, eat above it. This tool shows all three targets.
Is this a substitute for medical advice?+
No. These calculators are for general information and education only. Consult a qualified healthcare professional for personal medical advice.
Is my data private?+
Yes. The tool runs entirely in your browser β nothing you paste or type is uploaded to a server.
Guides & deep dives
How Many Calories Should You Eat? TDEE Explained
Learn how to calculate your TDEE, set the right calorie deficit or surplus, and adjust when progress stalls. Includes activity multipliers and worked examples.
BMI Explained: Categories, Limitations and What Yours Means
Understand BMI categories, the formula, why athletes skew results, Asian cutoffs, and what to actually do with your number. Clear, evidence-based guide.
BMR: What It Is and How to Use It to Set Calorie Targets
Learn what BMR is, how Mifflin-St Jeor and Harris-Benedict differ, what factors raise or lower it, and how to build a real calorie target from your number.
Body Fat Percentage: Healthy Ranges and How to Measure It
Learn healthy body fat ranges by gender and age, compare measurement methods (Navy, calipers, DEXA), and understand what essential fat really means.