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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

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

Nutrition & Diet Tools 10 tools

Work out how much water, protein, fibre, carbs and fat you need, and plan balanced portions.

Daily Fat Intake Calculator

Calculate how many grams of fat — and how much saturated fat — fit in your daily diet.

Calculator

Calorie Burn Calculator

Estimate the calories you burn walking, running, cycling, yoga and other activities.

Calculator

Food Calorie Calculator

Count the calories in your meals and common Indian foods, with protein, carbs and fat.

Calculator

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

Women's Health Tools 8 tools

Pregnancy due date, ovulation, fertile window and cycle tools — plus baby growth tracking.

Pregnancy Week Calculator

See how many weeks and days pregnant you are today and which trimester you are in.

Calculator

Ovulation Calculator

Predict your ovulation day and most fertile days from your period date and cycle length.

Calculator

Pregnancy Weight Gain Guide

See the healthy total and weekly weight gain for your pregnancy based on your pre-pregnancy BMI.

Reference guide

Baby Growth Tracker

Track your baby’s weight, length and head size against WHO growth charts.

Tracker

Lab Test & Diagnostic Tools 18 tools

Understand your lab report: normal ranges, fasting rules and what each test costs.

Thyroid TSH Reference Guide

Understand your TSH result — normal range, high and low TSH, and pregnancy ranges.

Reference guide

Thyroid TSH Reference Guide

Understand your TSH result — normal range, high and low TSH, and pregnancy ranges.

Reference guide

Urine Test Parameter Guide

Understand your urine routine and microscopy report — pH, protein, sugar, pus cells and more.

Reference guide

Lab Test Cost Estimator

Pick the tests you need and see the total price at TestAura, with home collection.

Estimator

Extra Useful Tools 10 tools

Age, dates, sleep, heart-rate zones, smoking and alcohol — plus quick unit converters.

Age Calculator

Calculate your exact age in years, months and days — and your total days lived.

Calculator

Date Difference Calculator

Count the days, weeks and months between two dates — useful for medicines and follow-ups.

Calculator

Alcohol Unit Calculator

Count the alcohol units and grams in your drinks and compare them with low-risk limits.

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.