Free Online Calorie Calculator
Estimate daily calorie needs from age, sex, body measurements, and activity level using a standard BMR formula.
About This Tool
This free online calorie calculator helps you estimate daily calorie needs using age, sex, body measurements, and activity level. It calculates basal metabolic rate and then estimates maintenance calories along with simple daily targets for fat loss or weight gain. It is useful for meal planning, fitness goals, nutrition tracking, and general awareness when adjusting calorie intake.
If you need a daily calorie needs calculator, maintenance calorie calculator, or BMR-based calorie estimator, this page is built for that purpose. You can switch between metric and imperial units and get results instantly without using a separate nutrition app.
Benefits and Use Cases
- Estimate BMR and maintenance calories
- Get simple daily calorie targets for weight loss or gain
- Use metric or imperial body measurements
- Support meal planning and fitness goals
- Avoid manual calorie formula calculations
How to Use
- Choose sex and unit system.
- Enter age, weight, and height.
- Select your activity level.
- Review BMR, maintenance calories, and goal-based targets.
Frequently Asked Questions
What does this calorie calculator show?
It shows estimated BMR, maintenance calories, and simple targets for losing or gaining weight.
Can I use pounds and inches?
Yes. The calculator supports imperial units.
Can I use kilograms and centimeters?
Yes. The calculator also supports metric units.
Is this a medical recommendation?
No. It is a general estimate for planning and education, not personalized medical advice.
Is my body data stored?
No. The calculation runs locally in your browser.