Calculate your daily calorie needs for weight loss, maintenance, or weight gain based on your age, gender, weight, height, and activity level.
A calibrated instrument for reading energy balance — BMR, total daily expenditure, and a macro split, adjusted live as you turn the dials.
Input Panel
Enter this to unlock the Katch-McArdle formula, which reads lean mass directly instead of estimating it from age and height.
Maintenance
Readout
Maintenance — holds current weight steady.
Formula comparison
At this target, expect roughly 0.0 kg / week of change, estimated at 7700 kcal per kilogram of body mass.
Yes. You can calculate your daily calorie needs online for free without creating an account or installing any software.
It estimates your daily calorie requirements based on your age, gender, height, weight, activity level, and fitness goal.
Yes. The calculator provides estimated calorie targets for losing weight, maintaining your current weight, or gaining weight safely.
The results are estimates based on widely used calorie calculation formulas. Your actual calorie needs may vary depending on your metabolism, body composition, and lifestyle.
No. Most users only need to enter their age, gender, height, weight, and activity level to receive an estimate.
Yes. Active individuals and athletes can use the calculator by selecting the activity level that best matches their daily routine.
No. All calculations are performed locally in your browser, and we do not store your personal or health information.
Yes. It works on smartphones, tablets, laptops, and desktop browsers with a responsive design.
Yes. Your selected activity level is used to estimate how many calories your body burns each day, including daily movement and exercise.
Anyone who wants to manage their weight, improve fitness, build muscle, or maintain a healthy lifestyle can use this calculator to estimate daily calorie needs.