Calorie Calculator (BMR + TDEE) — Your Basal Metabolic Rate (BMR) is the number of calories your body burns at rest just to keep you alive — breathing, circulating blood, maintaining body temperature. The Mifflin-St Jeor formula is the most accurate general-purpose BMR formula and is what this calculator uses.
Math runs locally. No data leaves your device.
Estimates use standard formulas and are for education only, not medical or dietary advice. Real needs vary with metabolism, health conditions, and activity. Consult a healthcare professional before changing your diet.
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ما هو Calorie Calculator (BMR + TDEE)؟
Your Basal Metabolic Rate (BMR) is the number of calories your body burns at rest just to keep you alive — breathing, circulating blood, maintaining body temperature. The Mifflin-St Jeor formula is the most accurate general-purpose BMR formula and is what this calculator uses.
Multiply BMR by an activity factor to get your TDEE (Total Daily Energy Expenditure) — the number of calories you actually burn in a day. From there, ±500 calories gives a sustainable loss or gain rate of about 0.5 kg (1 lb) per week.
كيفية الاستخدام
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Enter your details
Age, sex, height, weight.
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Pick your activity level
Sedentary, light, moderate, active, or very active.
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Pick a goal
Lose, maintain, or gain — the tool gives you a target calorie count.
أمثلة
A typical office worker wanting to lose
30y male, 180cm, 80kg, sedentary, goal: lose.
النتيجة: BMR 1780 · TDEE 2136 · Target 1636 kcal/day
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Last reviewed: 2026-09-25