Free health calculators
BMI for Indians, BMR & calories, body fat, protein, macros, heart-rate zones and more — instant results, no sign-up needed.
BMI CalculatorCalculate your Body Mass Index (BMI) in seconds and see where you fall — with the WHO and Asian-Indian healthy ranges.Calculate →
BMR & Calorie CalculatorFind your Basal Metabolic Rate (BMR) and total daily calories (TDEE) to lose, maintain or gain weight.Calculate →
Body Fat CalculatorEstimate your body fat % with a measuring tape using the US Navy method.Calculate →
Lean Body Mass CalculatorCalculate your lean body mass — everything in your body except fat — with the Boer formula.Calculate →
Ideal Weight CalculatorFind your ideal weight and healthy weight range for your height.Calculate →
Water Intake CalculatorHow much water should you drink a day? Calculate it from your weight and exercise.Calculate →
Protein CalculatorCalculate how much protein you need per day for your goal — health, fat loss or muscle gain.Calculate →
Macro CalculatorSplit your daily calories into protein, carbs and fat for your diet style.Calculate →
Waist-to-Hip Ratio CalculatorCheck your waist-to-hip ratio — a strong indicator of heart-disease and diabetes risk.Calculate →
Waist-to-Height Ratio CalculatorKeep your waist to less than half your height — check your waist-to-height ratio.Calculate →
Heart Rate Zone CalculatorFind your fat-burn and cardio heart-rate zones from your age and resting heart rate.Calculate →
One-Rep Max CalculatorEstimate your one-rep max and training weights without lifting to failure.Calculate →
Weight Loss CalculatorSee how long it will take to reach your goal weight with a healthy calorie deficit.Calculate →