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Calorie Calculator

Calculate daily calorie needs. This tool runs 100% locally in your browser.

Medical Disclaimer: This tool is provided for informational and educational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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Know Your Numbers

Calculate your daily energy expenditure to manage your weight and health goals effectively.

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What is Calorie Calculator?

Estimate how many calories you need daily to maintain, lose, or gain weight. Based on your age, gender, height, weight, and activity level. Uses the Mifflin-St Jeor equation, considered one of the most accurate for general populations.

When to Use This Tool

  • 1Setting weight loss goals
  • 2Meal planning for muscle gain
  • 3Understanding maintenance calories

Formula Used

BMR × Activity Factor

Examples

Input
Weight maintenance
Result
2,500 kcal/day

Frequently Asked Questions

How do I lose weight?

Generally, eating 500 calories less than your maintenance level leads to about 1 lb (0.45 kg) of weight loss per week.

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.