What is BMR?
BMR (Basal Metabolic Rate) is the number of calories your body needs to maintain basic functions (breathing, circulation, etc.) at complete rest.
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Free Calorie Calculator | 1ClickTools
Calculate your daily calorie needs based on age, gender, height, weight, and activity level. Get personalized targets for weight loss, maintenance.
Frequently Asked Questions
What is TDEE?
TDEE (Total Daily Energy Expenditure) is your BMR multiplied by an activity factor, representing how many calories you burn in a day based on your lifestyle.
How many calories should I eat to lose weight?
A standard recommendation is a deficit of 500 calories per day below your TDEE, which leads to approximately 0.5 kg (1 lb) of weight loss per week.
Which formula does this calculator use?
It uses the Mifflin-St Jeor equation, which is considered the most accurate BMR formula for most adults by nutrition researchers.
Are these results medically accurate?
The results are estimates based on widely accepted formulas and are suitable for general guidance. For personalized medical dietary advice, consult a registered dietitian.
How accurate is this calorie calculator tool?
All processing runs entirely in your browser using verified algorithms. Results are computed with full double-precision — no server-side rounding or data transmission occurs.