VitalityCalculators
Evidence-Based Health Calculators

Your Personal Health Calculator Hub

From BMI and calorie tracking to advanced clinical tools — free, accurate, and built for everyday wellness.

50+
Health Tools
Free
Always Free
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Monthly Users

Health Calculators

Evidence-based tools to track and improve your physical wellbeing.

BMI Calculator

Calculate your Body Mass Index and understand your weight category.

Water Intake Calculator

Find out how much water you should drink daily.

Calorie Calculator

Estimate your daily calorie needs based on your goals.

Blood Type Calculator

Determine possible blood types based on parental genetics.

Body Fat % Calculator

Estimate your body fat percentage using measurements.

Carbohydrate Calculator

Calculate your daily carbohydrate intake requirements.

Nutrition Calculator

Get a full macronutrient breakdown for your diet.

A1C to Blood Sugar Calculator

Convert A1C percentage to average blood glucose levels.

Due Date Calculator

Estimate your pregnancy due date from conception or LMP.

NAFLD Fibrosis Score Calculator

Assess liver fibrosis risk in non-alcoholic fatty liver disease.

Peptide Dosage Calculator

Calculate accurate peptide dosages from vial concentrations.

Ideal Weight Calculator

Find your ideal body weight range for your height and frame.

Blood Alcohol Content (BAC) Calculator

Estimate your blood alcohol concentration after drinking.

Basal Metabolic Rate (BMR) Calculator

Calculate calories your body burns at complete rest.

MCG to IU Converter

Convert micrograms to International Units for vitamins and hormones.

Body Surface Area (BSA) Calculator

Calculate total body surface area for medication dosing.

VO2 Max Calculator

Estimate your maximum aerobic capacity and fitness level.

Smoke Cost Calculator

See how much you spend and could save by quitting smoking.

Glomerular Filtration Rate (GFR) Calculator

Estimate kidney filtration rate and chronic kidney disease stage.

Ovulation Calculator

Predict your most fertile days and ovulation window.

Protein Intake Calculator

Determine your daily protein needs based on weight and activity.

Fiber Intake Calculator

Calculate recommended daily fiber intake for your age and sex.

mmol/L to mg/dL Calculator

Convert blood glucose between mmol/L and mg/dL units.

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Mean Arterial Pressure (MAP) Calculator

Calculate average arterial pressure from systolic and diastolic.

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Total Daily Energy Expenditure (TDEE) Calculator

Calculate total calories burned per day including activity level.

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Transferrin Saturation Calculator

Assess iron stores using serum iron and TIBC values.

Glucose Ketone Index (GKI) Calculator

Calculate your metabolic health ratio for ketogenic states.

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AST/ALT Ratio Calculator

Calculate liver enzyme ratio to help identify liver conditions.

Army Body Fat Calculator

Estimate body fat using the US Army circumference method.

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U.S. Navy Body Fat Calculator

Estimate body fat using the US Navy tape measurement method.

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CHA2DS2-VASc Score Calculator

Assess stroke risk in patients with atrial fibrillation.

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Lean Body Mass Calculator

Calculate fat-free mass from your weight and body fat percentage.

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Creatinine Clearance (CrCl) Calculator

Estimate kidney function using the Cockcroft-Gault equation.

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Waist-to-Height Ratio (WHtR) Calculator

Assess cardiometabolic risk using waist circumference and height.

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Keto Calculator

Calculate your personalized keto macros for fat loss or maintenance.

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Corrected Calcium Calculator

Adjust serum calcium levels for albumin concentration.

Glasgow Coma Scale (GCS) Calculator

Score neurological function using the Glasgow Coma Scale.

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Income Tax Calculators

Estimate your provincial income tax with our easy-to-use calculators.