Calorie Calculator

Estimate how many calories you need per day based on age, sex, weight, height, and activity level. Uses standard BMR formulas (e.g. Mifflin-St Jeor) and activity multipliers for TDEE. For planning only; individual needs vary.

Calorie Calculator

How this is calculated

BMR is computed from your stats; TDEE = BMR × activity factor. Enter your data and choose an activity level to see maintenance calories. Reduce for weight loss, increase for gain.

Use this tool for

Use it to set a daily calorie target or to compare with other calculators. Always combine with a healthcare provider for major diet changes.

Common questions

How do I use this utility?

Enter the required values in the form above. The result updates automatically.