BMI & Calorie Calculator
Calculate your Body Mass Index (BMI) and daily calorie needs for maintenance, weight loss, or bulking. Get a personalized macro breakdown instantly.
Health Calculator
Get your personalized body metrics and daily calories
🚀 Why Use Our Health Calculator?
Get your BMI, maintenance calories, and macro breakdown instantly without signing up or providing your email.
All calculations happen directly inside your browser window. We never store or track your personal health metrics.
We use the medically recognized Mifflin-St Jeor equation to provide the most precise daily calorie target estimates possible.
⚙️ How to Calculate Your Plan
Input your age, gender, exact height, and exact weight to help us establish your body's baseline metrics.
Choose your physical activity level during a typical week, ranging from completely sedentary to very active.
Click calculate to instantly reveal your BMI zone, Total Daily Energy Expenditure (TDEE), and macro split.
Body Mass Index (BMI)
BMI is a widely utilized screening tool that categorizes your overall weight into standardized bands like normal, overweight, or obese based purely on your height. While it does not measure body fat percentage directly, it provides a quick, universally accepted indicator of overall health status for adult men and women.
Total Daily Energy Expenditure
Your TDEE (also known as maintenance calories) represents the absolute total number of calories your body burns in a standard day, accounting for both your basal metabolic rate (BMR) and your physical activity level. Knowing this precise number is the critical first step for structuring any successful nutritional or diet plan, whether you want to lose abdominal fat or gain lean muscle.
Macro Nutrient Breakdown
We don't just calculate a raw calorie target — we break that target down into specific grams of proteins, carbohydrates, and healthy dietary fats. A properly optimized macronutrient split ensures you optimally retain strong muscle tissue while systematically losing fat, maximizing the total efficiency of your personalized diet plan.