Calculators

50+ Smart Calculators for Your Health & Fitness.

Body Measurement Calculators.

Fat, waist, and a healthy weight for your height.

  • Body Fat Calculator

    Body Fat Calculator

    Calculate your body fat percentage to identify the muscle-to-fat ratio. Use it to monitor fitness progress, reduce obesity risks, and improve cardiovascular health.

    Calculate
  • Calculator

    Ideal Weight Calculator

    The Ideal Weight Calculator suggests a healthy weight range based on height, gender, and age, guiding you toward setting achievable weight goals.

    Calculate
  • Calculator

    Waist to Hip Ratio Calculator

    The Waist to Hip Ratio Calculator measures fat distribution by comparing waist and hip circumferences, helping identify risks for conditions like diabetes and heart disease.

    Calculate

BMI Calculators.

Body mass, weight-loss targets, and child percentiles.

  • Body Fat Calculator

    BMI Weight Loss Calculator

    The BMI Weight Loss Calculator tracks changes in BMI during weight loss journeys, providing insights into progress and helping set realistic fitness goals.

    Calculate
  • Calculator

    BMI Calculator Body Mass Index

    The BMI Calculator measures Body Mass Index by comparing weight to height, offering a quick way to categorize body weight as underweight, normal, overweight, or obese.

    Calculate

Diabetes Calculators.

Blood sugar units and a longer-range diabetes risk check.

  • Body Fat Calculator

    Blood Sugar Converter

    The Blood Sugar Converter converts blood sugar levels between mmol/L and mg/dL, ensuring accurate tracking and management for diabetes care worldwide.

    Calculate
  • Calculator

    Diabetes Risk Calculator

    The Diabetes Risk Calculator evaluates the likelihood of developing diabetes based on factors like age, weight, and family history, promoting preventive healthcare.

    Calculate

Cholesterol Calculators.

Ratios and unit conversions for a lipid profile.

  • Body Fat Calculator

    Cholesterol Ratio Calculator

    The Cholesterol Ratio Calculator analyzes cholesterol levels to assess heart disease risk, providing insights into lipid health and guiding preventive measures.

    Calculate
  • Calculator

    Cholesterol Units Converter

    The Cholesterol Units Converter translates cholesterol measurements between different units and simplifying results for better understanding.

    Calculate

Addiction Medicine Calculators.

Screens for alcohol use and nicotine dependence.

  • Body Fat Calculator

    AUDIT-C Calculator

    The AUDIT-C Calculator screens for alcohol consumption levels, helping identify patterns of risky drinking and supporting early intervention in alcohol-related issues.

    Calculate
  • Calculator

    Fagerstrom Test Calculator

    The Fagerstrom Test Calculator measures nicotine dependence levels, aiding in creating personalized smoking cessation plans and improving treatment outcomes.

    Calculate

Army Calculators.

Body-fat estimates used by the army and the navy.

  • Body Fat Calculator

    Navy Body Fat Calculator

    The Navy Body Fat Calculator assesses body fat percentage using measurements of waist, neck, and height, providing insights into fitness and health readiness.

    Calculate
  • Calculator

    Army Body Fat Calculator

    The Army Body Fat Calculator evaluates body fat percentage using military standards, helping personnel meet fitness requirements and track physical condition.

    Calculate

Dietary Calculators.

Calories, macros, deficit, and daily energy needs.

  • Body Fat Calculator

    TDEE Calculator

    The TDEE Calculator estimates Total Daily Energy Expenditure, helping you understand how many calories you burn daily based on activity levels and supporting your fitness goals.

    Calculate
  • Calculator

    Calorie Deficit Calculator

    The Calorie Deficit Calculator determines the calorie reduction needed to lose weight while maintaining energy levels, helping create effective weight loss plans.

    Calculate
  • Calculator

    1RM Calculator

    The 1RM Calculator predicts your one-repetition maximum, the heaviest weight you can lift for a single rep, aiding in strength training and workout optimization.

    Calculate
  • Calculator

    Macro Calculator

    The Macro Calculator breaks down daily calorie needs into macronutrients—carbohydrates, proteins, and fats—helping optimize diet plans for fitness, weight loss, or muscle gain.

    Calculate
  • Calculator

    BMR Calculator

    The BMR Calculator measures Basal Metabolic Rate, the calories your body needs for basic functions and guiding personalized nutrition.

    Calculate

Sleep Calculators.

Sleep debt and the apnea-hypopnea index.

  • Body Fat Calculator

    Sleep Debt Calculator

    The Sleep Debt Calculator quantifies sleep deficits by comparing actual sleep to required sleep, helping users understand the impact of poor rest and prioritize recovery.

    Calculate
  • Calculator

    AHI Calculator

    The AHI Calculator assesses apnea-hypopnea index to evaluate sleep apnea severity, guiding treatment decisions for improving sleep quality and overall health.

    Calculate

Cardiovascular Calculators.

Stroke risk and chest-pain scores.

  • Body Fat Calculator

    Heart Score Calculator

    The Heart Score Calculator predicts a patient’s risk of major cardiovascular events, assisting in early intervention and prevention strategies for heart health.

    Calculate
  • Calculator

    CHA2DS2-VASc Calculator

    The CHA2DS2-VASc Calculator evaluates stroke risk in patients with atrial fibrillation, guiding anticoagulant therapy decisions for stroke prevention.

    Calculate

Pregnancy Calculators.

Ovulation timing and the luteal phase.

  • Body Fat Calculator

    Luteal Phase Calculator

    The Luteal Phase Calculator estimates the length of the luteal phase in a menstrual cycle, helping track ovulation and support fertility awareness or treatment.

    Calculate
  • Calculator

    Clomid Ovulation Calculator

    The Clomid Ovulation Calculator predicts ovulation timing for users of Clomid, aiding in optimizing conception efforts during fertility treatment.

    Calculate

Urology Nephrology Calculators.

Kidney filtration and creatinine clearance.

  • Body Fat Calculator

    GFR Calculator

    The GFR Calculator estimates glomerular filtration rate to assess kidney function, helping diagnose and monitor chronic kidney disease and related conditions.

    Calculate
  • Calculator

    Creatinine Clearance Calculator

    The Creatinine Clearance Calculator measures kidney filtration efficiency using creatinine levels, aiding in detecting kidney dysfunction and adjusting medication dosages.

    Calculate

Hematology Calculators.

Clotting time, expressed as INR.

  • Body Fat Calculator

    INR Calculator

    International Normalized Ratio Calculator evaluates blood clotting efficiency by calculating the international normalized ratio.

    Calculate
  • Calculator

    Age-Adjusted D-Dimer Calculator

    The Age Adjusted D-Dimer Calculator refines D-dimer test thresholds based on age, improving the accuracy of diagnosing conditions like deep vein thrombosis or pulmonary embolism.

    Calculate

Percentile Calculators.

Where a score sits against everyone else.

  • Body Fat Calculator

    BMI Percentage Calculator

    The BMI Percentage Calculator estimates body fat levels relative to height and weight, helping individuals assess obesity risks and track progress toward healthy weight goals.

    Calculate
  • Calculator

    IQ Percentage Calculator

    The IQ Percentage Calculator determines intellectual performance compared to population norms, providing insights into cognitive abilities for academic.

    Calculate

Pediatric Calculators.

Blood volume and the newborn APGAR score.

  • Body Fat Calculator

    Apgar Score Calculator

    The Apgar Score Calculator assesses a newborn’s health immediately after birth based on appearance, pulse, grimace, activity, and respiration, helping guide initial medical care.

    Calculate
  • Calculator

    Pediatric Blood Calculator

    The Pediatric Blood Calculator determines appropriate blood volume and transfusion needs in children, ensuring safe and effective treatment during medical interventions.

    Calculate

Dosage Calculators.

Opioid equivalents and how long a drug lasts.

  • Body Fat Calculator

    Drug Half-Life Calculator

    The Drug Half-Life Calculator estimates the time it takes for half of a drug’s dose to be eliminated, guiding dosing schedules and ensuring therapeutic effectiveness.

    Calculate
  • Calculator

    MME Calculator

    The MME Calculator converts opioid dosages to morphine milligram equivalents, aiding in safe pain management and reducing the risk of opioid misuse or overdose.

    Calculate

Pulmonary Calculators.

Oxygenation and related lung scores.

  • Body Fat Calculator

    Oxygenation Index Calculator

    The Oxygenation Index Calculator evaluates oxygen delivery and ventilation efficiency in critically ill patients, aiding in the diagnosis and management of respiratory failure.

    Calculate
  • Calculator

    PF Ratio Calculator

    The PF Ratio Calculator determines the ratio of arterial oxygen to inspired oxygen, assisting in diagnosing and monitoring the severity of acute respiratory distress syndrome (ARDS).

    Calculate

Psychiatry Calculators.

Anxiety, cognition, mood, and daily function.

  • Body Fat Calculator

    Happiness Calculator

    The Happiness Calculator measures emotional well-being by assessing factors like life satisfaction, relationships, and daily positivity, helping users identify areas for personal growth.

    Calculate
  • Calculator

    GAD-7 Calculator

    The GAD-7 Calculator screens for generalized anxiety disorder by scoring symptoms of worry and tension, aiding in the early identification and management of anxiety.

    Calculate

Intensive Emergency Care Calculators.

Bedside scores for sepsis, coma, and critical care.

  • Body Fat Calculator

    GCS Calculator

    The GCS Calculator measures a patient’s consciousness level based on eye, verbal, and motor responses, crucial for assessing brain injury severity and treatment needs.

    Calculate
  • Calculator

    qSOFA Score Calculator

    The qSOFA Calculator identifies sepsis risk in patients using quick assessments of respiration, blood pressure, and mental status, aiding in early diagnosis and timely intervention.

    Calculate

Digestive System Calculators.

Liver scores, including APRI and MELD.

  • Body Fat Calculator

    MELD Calculator

    The MELD Calculator predicts mortality risk in patients with chronic liver disease, assisting in organ transplant prioritization and treatment planning for liver conditions.

    Calculate
  • Calculator

    APRI Calculator

    The APRI Calculator estimates liver fibrosis or cirrhosis severity using the AST-to-platelet ratio, providing a non-invasive method to assess liver health in chronic liver disease.

    Calculate

Epidemiology Calculators.

Mortality rates and number needed to treat.

  • Body Fat Calculator

    Mortality Rate Calculator

    The Mortality Rate Calculator analyzes death rates within a population over a specific time, providing crucial insights for public health strategies and epidemiological studies.

    Calculate
  • Calculator

    NNT Calculator

    The NNT Calculator calculates the number of patients who need a treatment to prevent one adverse event, helping assess the practical benefit of medical therapies for decision-making.

    Calculate

Radiology Calculators.

Thyroid nodule scoring with TI-RADS.

  • Body Fat Calculator

    TI-RADS Calculator

    The TI-RADS Calculator assesses thyroid nodules using imaging characteristics to determine the risk of malignancy, guiding decisions for biopsy or further monitoring.

    Calculate
  • Calculator

    BED calculator

    The Bed Calculator evaluates the biological effective dose of radiation in cancer therapy, optimizing treatment planning while minimizing damage to healthy tissues.

    Calculate

Electrolytes and Fluids Calculators.

Bicarbonate deficit and serum osmolality.

  • Body Fat Calculator

    Serum Osmolality Calculator

    Evaluate body fluid balance by measuring serum osmolality. Critical for diagnosing dehydration, overhydration, or electrolyte disorders.

    Calculate
  • Calculator

    Bicarbonate Deficit Calculator

    The bicarbonate deficit calculator estimates bicarbonate levels required to correct metabolic acidosis. It aids in managing acid-base balance and identifying conditions like kidney failure.

    Calculate

Geriatric Calculators.

A short interview for mental status.

  • Body Fat Calculator

    Barthel Index Calculator

    The Barthel Index Calculator evaluates a patient’s ability to perform daily activities like eating, dressing, and mobility, helping assess functional independence and rehabilitation needs.

    Calculate
  • Calculator

    BIMS Calculator

    Screen for cognitive impairment using a Brief Interview for Mental Status calculator. A quick tool for detecting dementia or other cognitive disorders.

    Calculate