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FREE HEALTH TOOLS

Free Health Calculators & Medical Tools

Explore free health calculators, medical tools, fitness calculators and diagnostic guides to understand your health better.

ALL HEALTH TOOLS

Browse all 68 tools by category

Showing 10 of 68 tools

Body & Fitness Calculators 10 tools

Check your BMI, body fat, calorie needs and ideal weight — the numbers behind a healthy body.

BMI Calculator

Find your Body Mass Index and see whether your weight is in a healthy range for your height.

Calculator

BMR Calculator

Calculate your Basal Metabolic Rate — the calories your body burns at complete rest.

Calculator

Ideal Weight Calculator

See a healthy target weight range for your height and sex using trusted medical formulas.

Calculator

Daily Calorie Calculator

Find how many calories to eat each day to lose, keep or gain weight at a healthy pace.

Calculator

TDEE Calculator

Work out your Total Daily Energy Expenditure — all the calories you burn in a typical day.

Calculator

Lean Body Mass Calculator

Estimate how much of your body weight is muscle, bone, organs and water — everything except fat.

Calculator
BOOK A LAB TEST

Turn your numbers into answers with a lab test

Calculators give estimates. A blood test shows what is really going on — book at home with free sample collection and reports in 24–48 hours.

  • Free home sample collection
  • Trusted partner labs
  • Reports in 24–48 hrs

These tools give general information and estimates only. They are not a diagnosis and do not replace advice from a qualified doctor. Always talk to your doctor about your results, and seek urgent medical help in an emergency.