Health Calculator — BMI, BMR & Daily Calories
Quickly estimate BMI, BMR (Mifflin–St Jeor), TDEE and calorie targets. High contrast. Times New Roman.
If you select Metric, enter height in cm and weight in kg. If you select Imperial, use inches and lbs.
BMI
—
Category
—
Healthy Weight Range
—
Inputs
—
WHO categories: <18.5 Underweight, 18.5–24.9 Normal, 25–29.9 Overweight, ≥30 Obesity.
Keep units consistent across sections: Metric ⇒ cm & kg, Imperial ⇒ inches & lbs.
BMR (Mifflin–St Jeor)
—
TDEE (Calories/day)
—
Suggested Protein
—
Inputs
—
Formulas: Male BMR = 10·kg + 6.25·cm − 5·age + 5; Female BMR = 10·kg + 6.25·cm − 5·age − 161. TDEE = BMR × Activity.
Match your unit choice here with your BMR/TDEE calculation for consistent results.
Daily Target
—
Estimated Weekly Δ
—
Macro Guide (30/30/40)
—
Inputs
—
Approximation: ~7700 kcal ≈ 1 kg body weight. Macro split: 30% protein, 30% fat, 40% carbs (customize as needed).
About This Free Health Calculator
These estimates are for education only and don’t replace medical advice. Use them to plan, then adjust based on your body’s response. Keep your unit choice (Metric/Imperial) consistent across sections for accurate results.
Try our other online tools free – Finance Toolkit , Live Currency Converter and Health BMI/BMR Calculator Online Free