Health Calculators
Calculate BMI, BMR, calorie needs, ideal weight, body fat and more. All calculators use medically recognised formulas.
Calculate BMI, BMR, calorie needs, ideal weight, body fat and more. All calculators use medically recognised formulas.
Understanding your body metrics is the first step toward any health or fitness goal. Our health calculators use the same formulas used by doctors and fitness professionals worldwide. Calculate your Body Mass Index (BMI) to understand your weight category, find your Basal Metabolic Rate (BMR) to know how many calories your body burns at rest, and use the TDEE calculator to set accurate daily calorie targets for weight loss, maintenance, or muscle gain.
Additional tools include ideal weight range calculators (using Devine, Robinson, and Miller formulas), body fat percentage estimation, daily water intake recommendations based on weight and activity, and pregnancy due date calculation from last menstrual period. All results are for informational purposes. Consult a qualified healthcare professional for medical advice.
Most used health tools: the BMI Calculator categorises your weight as underweight, normal, overweight, or obese. The BMR Calculator uses the Mifflin-St Jeor formula to find how many calories you burn at rest. The TDEE Calculator factors in your activity level to give your total daily energy expenditure.