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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 12 of 68 tools

Medical & Health Calculators 12 tools

Doctor-trusted formulas for blood sugar, HbA1c, cholesterol, kidney function and more.

HbA1c eAG Calculator

Turn your HbA1c % into estimated average glucose (eAG) — the daily sugar level it reflects.

Calculator

eGFR Calculator

Estimate how well your kidneys filter blood (eGFR) from your serum creatinine, age and sex.

Calculator

Anion Gap Calculator

Calculate the serum anion gap from sodium, chloride and bicarbonate, with albumin correction.

Calculator
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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.

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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.