Health & Fitness Calculators

BMI, calorie needs, and other body-metric calculators grounded in standard clinical formulas.

• BMI CalculatorCalculate your Body Mass Index (BMI) using the WHO standard formula. Supports both US and metric units. Includes BMI categories and health implications.
• Calorie Calculator (TDEE)Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) using the Mifflin-St Jeor formula. Get personalized calorie targets for weight loss, maintenance, and gain.