Daily Calorie & BMR Calculator

Whether your fitness objective is losing body fat, building muscle, or maintaining current weight, knowing your daily energy expenditure is the crucial first step. Our Calorie Calculator estimates your BMR and daily caloric needs.

Privacy Guaranteed: Processing executes locally in your browser. Zero server uploads.
Daily Maintenance Calories
- kcal / day
Basal Metabolic Rate (BMR): -
Weight Loss Target (-500 kcal): -

How to Use Calorie Calculator

Step 1: Provide your age, gender, and general weekly physical activity level.
Step 2: Enter your weight (kg) and height (cm).
Step 3: Click 'Calculate Daily Calories' to see maintenance and weight loss targets.

How It Works: Calorie Calculator

Uses the peer-reviewed Mifflin-St Jeor equation considered by dietitians to be among the most accurate formulas for basal metabolic rates.

Formula & Calculation Methodology

Mifflin-St Jeor Equation: BMR = (10 * Weight) + (6.25 * Height) - (5 * Age) + S (where S = +5 for men, -161 for women). TDEE = BMR * Activity Factor.

Notice: Designed to provide accurate results based on the standard formulas described above.

Practical Real-World Examples

Example: 28 y/o male, 70 kg, 175 cm, lightly active.
BMR ≈ 1,658 kcal | Maintenance ≈ 2,280 kcal/day | Safe Weight Loss ≈ 1,780 kcal/day.

Frequently Asked Questions

Find verified answers regarding Calorie Calculator, calculations, formulas, data privacy, and supported features.

The Calorie Calculator is a free, fast online utility designed to Estimate your daily maintenance and weight loss caloric requirements using the Mifflin-St Jeor formula.. To use it, enter your inputs or upload your file into the tool interface above, adjust any custom options, and get your calculated or converted result immediately.

No. All calculations run strictly in your web browser. None of your entered values, confidential numbers, or personal text are stored, logged on our servers, or shared with third parties.

Yes, Calorie Calculator is 100% free with unlimited usage. There are no paywalls, hidden fees, subscriptions, or mandatory registrations required.

This Calorie Calculator requires no downloads, operates with zero server lag, is free from intrusive pop-ups, and includes one-click copy and export features.

Yes. The Calorie Calculator is 100% mobile-friendly and responsive. It works seamlessly across smartphones, tablets, laptops, and desktop computers on Chrome, Safari, Edge, and Firefox without downloading an app.

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