Calorie Calculator Online Free
Calculate your basal metabolic rate and total daily energy expenditure.
Last Updated: August 30, 2026
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Open ToolHow to Use Toolza’s Free Calorie Calculator
Follow these simple steps to get your result in seconds.
Enter Personal Info
Your age, gender, weight, and height.
Set Activity Level
How active you are on a typical week.
Calculate
Get your BMR and total daily calorie needs.
Why Use Toolza’s Free Tool?
Browser-based, private, and completely free — no catches.
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Your files never leave your device. All processing happens locally in your browser — no uploads, no servers, no data storage.
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No installation needed. Works on desktop, tablet, and mobile browsers.
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Results preserve original quality and formatting.
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Calculate Your Daily Calories
Knowing your daily calorie needs is essential for weight management, fitness, and overall health. This calculator estimates your basal metabolic rate and total daily energy expenditure.
Formula
BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age(y) + 5 (male) or -161 (female)
TDEE = BMR × Activity Factor
Frequently Asked Questions
Basal Metabolic Rate is the number of calories your body needs at rest to maintain basic functions like breathing and circulation.
It depends on your age, gender, body size, and activity level. This calculator uses the Mifflin-St Jeor equation to estimate your needs.
This provides a good estimate. Individual needs may vary based on metabolism, genetics, and other factors.
Yes. Completely free with no limits.
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