Calculator

Calorie Calculator Online Free

Calculate your basal metabolic rate and total daily energy expenditure.

Last Updated: August 30, 2026

How to Use Toolza’s Free Calorie Calculator

Follow these simple steps to get your result in seconds.

1

Enter Personal Info

Your age, gender, weight, and height.

2

Set Activity Level

How active you are on a typical week.

3

Calculate

Get your BMR and total daily calorie needs.

Why Use Toolza’s Free Tool?

Browser-based, private, and completely free — no catches.

100% Private & Secure

Your files never leave your device. All processing happens locally in your browser — no uploads, no servers, no data storage.

Completely Free

No hidden charges, no premium plans, no watermarks. Every feature is free forever.

Works on Any Device

No installation needed. Works on desktop, tablet, and mobile browsers.

No Signup Required

Start using the tool immediately. No accounts, no emails, no personal data.

High Quality Output

Results preserve original quality and formatting.

Lightning Fast

Everything runs locally, so results are instant even for large files.

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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