Free Health Calculator Tools

Your Trusted Hub for Smart Health Tools – BMI, BMR, TDEE, Macro, Keto, Step-Based Weight Loss, and More

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.

Step Target Weight Loss Calculator

Wondering how many steps a day to lose weight? Get your personalized daily step target based on your body, activity level, and weight loss goal.

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.

Try our new Step Target Weight Loss Calculator to find out exactly how many steps per day you need to lose weight based on your weight, height, activity level, and goals. It’s a perfect companion for walking routines, especially for beginners or those managing busy schedules and mental wellness. No gym required—just smart, personalized step targets!

From calorie calculation to personalized macronutrient breakdowns and daily step goals, 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!