All Calculators
Browse every calculator with a lightweight A-Z directory and category filters. Search is still available, but this page gives users a cleaner browse path.
Showing 48 of 179 calculators in Health.
1RM (One-Rep Max) calculator
Estimate your 1RM (One-Rep Max) for strength training. Improve your lifting performance with accurate strength assessments.
A/G Ratio Calculator
Calculate the ratio between serum albumin and globulin levels to help evaluate liver function and identify potential protein imbalances or nutritional deficiencies.
ABSI Calculator
Understand your abdominal obesity with the ABSI Calculator. This index combines BMI and waist circumference for a comprehensive health risk assessment.
APGAR Score Calculator
Evaluate newborn health immediately after birth using factors like heart rate and respiration to calculate a total APGAR score.
APRI Calculator
This APRI Calculator estimates liver fibrosis and cirrhosis risk using AST levels and platelet counts. It provides a non invasive score based on the ratio of AST to the upper limit of normal relative to the platelet count.
AST to ALT Ratio Calculator
This calculator determines the De Ritis ratio by comparing AST and ALT enzyme levels to help evaluate liver health. It provides an immediate ratio based on blood test results for aspartate aminotransferase and alanine aminotransferase.
Absolute Neutrophil Count Calculator
This tool calculates the absolute neutrophil count using the total white blood cell count and neutrophil percentage to evaluate infection risk. It provides a clinical measurement used to identify neutropenia and monitor immune system health.
Alcohol Units Calculator
Calculate the number of alcohol units in a beverage based on the container volume in milliliters and the alcohol by volume percentage. This tool helps users track their alcohol consumption for better health management and compliance with safety guidelines.
Allergy Season Predictor (by pollen counts)
Predict upcoming severe allergy days by entering local pollen count data and sensitivity levels to generate a personalized daily risk index and symptom forecast.
Anaerobic Power (Wingate) Estimator
Estimate peak anaerobic power using body weight and sprint resistance to evaluate high intensity athletic performance and short burst efficiency. This professional tool uses weight scaled coefficients to approximate power output while laboratory assessments remain the standard for precise results.
Anion Gap calculator
Determine acid base balance with the Anion Gap Calculator. Assess kidney function and metabolic conditions.
Ankle Mobility Deficit Calculator
Calculate ankle mobility deficits to assess injury risk and improve gait patterns during physical rehabilitation programs. This tool helps identify range of motion limitations for athletes recovering from lower limb injuries like Achilles tendonitis.
Antibiotic Dosing Calculator
Determine precise antibiotic dosages by weight and infection type to calculate required milligrams and daily frequency. This tool provides clinical guidance on treatment duration based on patient age and specific bacterial conditions.
BMI Percentile for Children and Teens Calculator
Determine a child or teen's body mass index and percentile rank by comparing height and weight data against age and gender specific growth charts.
BMI calculator
Easily calculate your Body Mass Index (BMI) to understand your weight category and health status. Our BMI calculator is a simple tool for health assessment.
BMR calculator
Determine your Basal Metabolic Rate (BMR) to estimate daily calorie needs for weight management. Use our BMR calculator for personalized fitness insights.
BUN Creatinine Ratio Calculator
This BUN creatinine ratio tool evaluates renal health by comparing blood urea nitrogen and serum creatinine levels. It provides clinical insights into potential causes of acute kidney injury or dehydration based on laboratory blood test results.
Basal Heart Rate Variability (HRV) Index Calculator
This assessment tool evaluates autonomic nervous system balance by normalizing RMSSD values against resting heart rate to account for wearable device variability. For instance, adjusted coefficients provide a standardized recovery score to help athletes monitor physiological readiness and training fatigue.
Bedridden Patient Height Calculator
Estimate the height of bedridden patients accurately. A helpful tool for caregivers and medical professionals.
Bike Size calculator
Find your perfect bicycle size for comfort and performance. Our Bike Size Calculator ensures a proper fit for your cycling adventures.
Blood Alcohol Content Calculator
Estimate your Blood Alcohol Content (BAC) to promote responsible drinking. Our BAC calculator helps you understand alcohol's effects.
Blood Volume Estimation Calculator
This calculator estimates total blood volume using sex specific weight coefficients because volume scales with body mass. A 70kg male has approximately 5 liters of blood; results are for educational purposes only and not medical advice.
Blood Volume Loss (Dehydration) Calculator
This calculator estimates plasma volume reduction from dehydration to help endurance athletes monitor physiological changes. Even small percentage losses in body weight significantly impact circulatory health and overall performance.
Body Density to Body Fat Calculator (Siri Equation)
Calculate body fat percentage from measured body density values using the Siri equation for body composition analysis. This tool converts grams per cubic centimeter into a percentage to help track fitness and health metrics.
Body Fat Calculator
Calculate your body fat percentage accurately using our user-friendly Body Fat Calculator. Monitor your body composition for better health outcomes.
Body Fat Percentage from Navy Method Calculator
This calculator estimates body fat percentage and lean mass using circumference measurements such as waist and neck size to determine your physical fitness category.
Body Water Percentage Calculator
Estimate total body water percentage to monitor metabolic health and track how hydration levels vary by age and sex. A 70 kg male averages 42 liters of water but results are estimates and not medical advice.
Body Weight Loss Percentage Calculator
This tool calculates total weight loss and percentage change based on starting and current weight measurements. It provides a clear metric to track fitness progress through simple arithmetic ratios.
CHADS2-VASc Score Calculator (Stroke Risk)
Calculate the CHADS2-VASc score to estimate annual stroke risk for patients with atrial fibrillation using clinical factors like hypertension and diabetes. This tool provides a risk assessment and recommendations for clinical anticoagulation management.
CKD Stage Calculator
This CKD stage calculator classifies kidney function levels using eGFR thresholds from Stage 1 to Stage 5. Results provide educational insights into kidney health and do not replace professional medical evaluations.
Caffeine calculator
Monitor your caffeine intake with our Caffeine Calculator. Track consumption from various sources to manage energy levels and avoid side effects.
Calcium-Phosphorus Product Calculator
Calculate the calcium phosphorus product from serum calcium and phosphorus levels to monitor mineral metabolism and evaluate cardiovascular risk. This clinical tool provides the Ca x P result using laboratory measurements to help assess patient health status.
Caloric Deficit Timeline Calculator
This calculator estimates weight loss duration using calorie to fat coefficients where a 500 calorie deficit achieves goals faster than 250 calories. Note that while this provides a clear timeline, actual biological weight loss is typically non linear.
Carbohydrate per Hour Calculator
Calculate the average rate of carbohydrate intake during physical activity by dividing total grams consumed by the total workout duration. This tool helps athletes monitor fueling efficiency by providing the precise grams of carbs consumed per hour.
Cardiac Output Estimation Calculator
This tool estimates cardiac output by calculating the product of heart rate and stroke volume coefficients for educational purposes. Consult a healthcare professional for clinical diagnosis as these estimates are not medical advice.
Corrected Calcium calculator
Calculate your Corrected Calcium levels for accurate assessment of calcium balance. Essential for kidney disease and parathyroid evaluations.
Corrected QT Interval Calculator
This QTc calculator adjusts the QT interval for heart rate using formulas like Bazett and Fridericia to assess cardiac risks. It provides essential corrected interval values for cardiology assessments based on heart rate in beats per minute.
Corrected Reticulocyte Count Calculator
Calculate the corrected reticulocyte percentage by adjusting the observed reticulocyte count based on a patient's hematocrit level. This tool helps clinicians evaluate the bone marrow's production response during anemia diagnostic assessments.
Corrected Sodium Calculator
This corrected sodium calculator adjusts measured sodium levels based on serum glucose concentrations to assess electrolyte balance in hyperglycemic patients. It uses measured sodium and glucose inputs to determine the sodium adjustment required for clinical assessment.
Creatine Dosage Calculator
This calculator estimates creatine dosage based on body weight to support muscle saturation for maintenance and loading phases. For instance a 70kg individual typically needs 3 to 5 grams daily and consistency is more important than specific timing.
Creatine Kinase (CK) Elevation Index
This creatine kinase index tool adjusts CK blood levels based on training intensity and recovery time to evaluate post-workout muscle damage levels accurately. Use this data for fitness tracking only and consult a healthcare professional for medical diagnosis.
Creatinine Clearance Calculator (Cockcroft–Gault)
This calculator estimates kidney filtration efficiency by applying age and sex coefficients to account for muscle mass variations. Results are clinical estimates and should be used alongside professional medical guidance for renal function assessment.
Critical Power Calculator
This Critical Power Calculator estimates aerobic fitness and fatigue resistance using time power coefficients to help endurance athletes optimize their training intensity.
D-dimer test calculator
Assess the probability of Pulmonary Embolism with the D-dimer test calculator. Aids in clinical decision making for DVT and PE diagnosis.
Daily Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity level for optimal hydration.
Diabetes Insulin Dose Calculator
Calculate precise insulin dosages for diabetes management using current blood glucose levels and carbohydrate intake to determine correction and meal doses.
Dosage Calculator
Ensure safe and effective medication use with our Dosage Calculator. Calculate precise drug dosages based on weight, age, and medical guidelines.
Dosage per Kilogram Calculator
Calculate the precise total dose in milligrams and required liquid volume in milliliters based on patient body weight and prescribed dosage concentration.