Body & Fitness
BMI Calculator
Find your Body Mass Index and see whether your weight is in a healthy range for your height.
Calculator
FREE HEALTH TOOLS
Free Health Calculators & Medical Tools
Explore free health calculators, medical tools, fitness calculators and diagnostic guides to understand your health better.
MOST USED
Popular calculators
Body & Fitness
BMR Calculator
Calculate your Basal Metabolic Rate — the calories your body burns at complete rest.
Calculator
Body & Fitness
Body Fat Percentage Calculator
Estimate your body fat percentage from simple tape measurements of your waist, neck and hips.
Calculator
Body & Fitness
Daily Calorie Calculator
Find how many calories to eat each day to lose, keep or gain weight at a healthy pace.
Calculator
Nutrition & Diet
Daily Water Intake Calculator
Find how much water you should drink each day based on your weight, activity and climate.
Calculator
Medical & Health
HbA1c eAG Calculator
Turn your HbA1c % into estimated average glucose (eAG) — the daily sugar level it reflects.
Calculator
Medical & Health
eGFR Calculator
Estimate how well your kidneys filter blood (eGFR) from your serum creatinine, age and sex.
Calculator
Women's Health
Pregnancy Due Date Calculator
Find your estimated due date from your last period, conception date or IVF transfer date.
Calculator
ALL HEALTH TOOLS
Browse all 68 tools by category
Showing 18 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
Body Fat Percentage Calculator
Estimate your body fat percentage from simple tape measurements of your waist, neck and hips.
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
Waist-to-Height Ratio Calculator
A simple check of belly fat: compare your waist size with your height to see your health risk.
Calculator
Waist-to-Hip Ratio Calculator
Compare your waist and hip measurements to check your body shape and heart-health risk.
Calculator
Lean Body Mass Calculator
Estimate how much of your body weight is muscle, bone, organs and water — everything except fat.
Calculator
Protein Intake Calculator
Find your daily protein target based on your weight, activity and fitness goal.
Calculator
Nutrition & Diet Tools 10 tools
Work out how much water, protein, fibre, carbs and fat you need, and plan balanced portions.
Daily Water Intake Calculator
Find how much water you should drink each day based on your weight, activity and climate.
Calculator
Daily Fiber Intake Calculator
Work out how much dietary fibre you need each day for good digestion and heart health.
Calculator
Daily Protein Requirement Calculator
Check the recommended daily protein for your age, weight and life stage, including pregnancy.
Calculator
Daily Carbohydrate Requirement Calculator
Find a healthy daily carb range in grams based on your calorie needs and goals.
Calculator
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
BMI-Based Weight Goal Calculator
Set a realistic target weight from a healthy BMI and see how long it may take to reach it.
Calculator
Daily Vitamin Requirement Guide
See the recommended daily amounts of key vitamins for your age, sex and life stage.
Reference guide
Healthy Meal Portion Calculator
Plan balanced plates: how much grain, dal, vegetables and protein to put in each meal.
Calculator
Medical & Health Calculators 12 tools
Doctor-trusted formulas for blood sugar, HbA1c, cholesterol, kidney function and more.
Blood Sugar Conversion Calculator
Convert blood glucose readings between mg/dL (used in India) and mmol/L in one step.
Converter
HbA1c eAG Calculator
Turn your HbA1c % into estimated average glucose (eAG) — the daily sugar level it reflects.
Calculator
LDL Cholesterol Calculator
Calculate LDL (“bad”) cholesterol from total cholesterol, HDL and triglycerides.
Calculator
Cholesterol Ratio Calculator
Work out your total/HDL, LDL/HDL and triglyceride/HDL ratios to understand heart risk.
Calculator
Cholesterol Ratio Calculator
Work out your total/HDL, LDL/HDL and triglyceride/HDL ratios to understand heart risk.
Calculator
eGFR Calculator
Estimate how well your kidneys filter blood (eGFR) from your serum creatinine, age and sex.
Calculator
Creatinine Clearance Calculator
Estimate creatinine clearance with the Cockcroft–Gault formula, often used for medicine doses.
Calculator
Anion Gap Calculator
Calculate the serum anion gap from sodium, chloride and bicarbonate, with albumin correction.
Calculator
Corrected Calcium Calculator
Adjust your total calcium for low albumin to get a truer picture of blood calcium.
Calculator
Absolute Neutrophil Count (ANC) Calculator
Calculate your ANC from a CBC report to check your body’s ability to fight infection.
Calculator
Absolute Neutrophil Count (ANC) Calculator
Calculate your ANC from a CBC report to check your body’s ability to fight infection.
Calculator
Mean Arterial Pressure (MAP) Calculator
Calculate mean arterial pressure from your blood pressure reading to check blood flow to organs.
Calculator
Women's Health Tools 8 tools
Pregnancy due date, ovulation, fertile window and cycle tools — plus baby growth tracking.
Pregnancy Due Date Calculator
Find your estimated due date from your last period, conception date or IVF transfer date.
Calculator
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
Menstrual Cycle Calculator
Predict your next periods and track your average cycle length month by month.
Calculator
Fertile Window Calculator
Find the six days each cycle when you are most likely to get pregnant.
Calculator
Pregnancy Weight Gain Guide
See the healthy total and weekly weight gain for your pregnancy based on your pre-pregnancy BMI.
Reference guide
Gestational Age Calculator
Calculate gestational age on any date from your last period, due date or ultrasound.
Calculator
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.
CBC Parameter Reference Guide
Understand every value on your Complete Blood Count report, with normal ranges.
Reference guide
Hemoglobin Reference Range Checker
Check if your haemoglobin is normal for your age, sex and pregnancy, and the anaemia level.
Checker
Blood Sugar Level Reference Guide
Normal, prediabetes and diabetes ranges for fasting, after-meal, random and HbA1c tests.
Reference guide
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
Vitamin D Level Reference Guide
Find out if your vitamin D (25-OH) result is deficient, insufficient or sufficient.
Reference guide
Vitamin D Level Reference Guide
Find out if your vitamin D (25-OH) result is deficient, insufficient or sufficient.
Reference guide
Vitamin B12 Level Reference Guide
Check what your vitamin B12 result means — deficient, borderline or normal.
Reference guide
Vitamin B12 Level Reference Guide
Check what your vitamin B12 result means — deficient, borderline or normal.
Reference guide
Lipid Profile Reference Guide
Understand total cholesterol, LDL, HDL and triglyceride results and their healthy ranges.
Reference guide
Lipid Profile Reference Guide
Understand total cholesterol, LDL, HDL and triglyceride results and their healthy ranges.
Reference guide
Liver Function Test Reference Guide
Make sense of ALT, AST, ALP, bilirubin, albumin and other LFT values.
Reference guide
Liver Function Test Reference Guide
Make sense of ALT, AST, ALP, bilirubin, albumin and other LFT values.
Reference guide
Kidney Function Test Reference Guide
Understand creatinine, urea, uric acid, electrolytes and eGFR on your KFT report.
Reference guide
Kidney Function Test Reference Guide
Understand creatinine, urea, uric acid, electrolytes and eGFR on your KFT report.
Reference guide
Urine Test Parameter Guide
Understand your urine routine and microscopy report — pH, protein, sugar, pus cells and more.
Reference guide
Lab Test Fasting Requirement Checker
Check whether your blood test needs fasting, for how long, and what you can drink.
Checker
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
Sleep Duration Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles.
Calculator
Heart Rate Zone Calculator
Find your five training heart rate zones for walking, running and cardio workouts.
Calculator
Target Heart Rate Calculator
Calculate your target heart rate for moderate and vigorous exercise.
Calculator
Smoking Pack-Year Calculator
Calculate your smoking history in pack-years — used to judge lung cancer and COPD risk.
Calculator
Alcohol Unit Calculator
Count the alcohol units and grams in your drinks and compare them with low-risk limits.
Calculator
Temperature Converter (°C to °F)
Convert body temperature between Celsius and Fahrenheit and check for fever.
Converter
Weight Converter (kg to lbs)
Convert body weight between kilograms and pounds in both directions.
Converter
Height Converter (cm to feet/inches)
Convert height between centimetres and feet and inches in both directions.
Converter
No tools match your search
Try another word — for example “sugar”, “weight”, “pregnancy” or “cholesterol” — or browse all tools.
Show all tools
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.