Free Health Calculator Tools
Your Trusted Hub for Free BMI, BMR, TDEE, Macro & Keto Calculators – Designed for Better Health
Smart BMI Calculator
Calculate your Body Mass Index using kg/cm, kg/ft, or lbs/in. Instant and accurate!
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) to understand how many calories your body burns at rest — a key starting point for any health journey.
TDEE Calculator
Estimate your Total Daily Energy Expenditure (TDEE) based on your lifestyle and activity level — essential for effective weight management.
Macro Calculator
Discover your personalized daily macronutrient breakdown — carbs, protein, and fats — tailored to your goals and body type.
Keto Calculator
Perfect your ketogenic diet plan with exact fat, protein, and carbohydrate targets to achieve ketosis safely and efficiently.
Free Health Tools for a Better You
HealthCalculator.org offers a growing collection of free tools to help you make informed, data-driven health choices. Whether you’re starting your fitness journey or fine-tuning your nutrition, our calculators are designed to support every step.
Use our BMI Calculator to get an accurate health score using kg/cm, kg/ft, or lbs/in. Understand your body’s needs with the BMR Calculator and plan your meals using our Macro Calculator or Keto Calculator—perfect for those following a ketogenic diet. Estimate your Total Daily Energy Expenditure (TDEE) and adjust your calorie goals accordingly.
From calorie calculation to personalized macronutrient breakdowns, our tools are research-backed and user-friendly. Bookmark us and check back often — more health apps like Sleep, Water Intake, and Diabetes Risk Score calculators are coming soon!