medicine Calculators
BMI Calculator
Instantly compute your Body Mass Index from your weight and height. Use it to screen whether you fall into underweight, normal, overweight, or obese ranges as defined by the WHO.
Basal Metabolic Rate Calculator
Estimates the calories your body burns at complete rest using the Mifflin-St Jeor formula. Use it to set a calorie baseline before planning a diet or fitness program.
Mean Arterial Pressure Calculator
Compute Mean Arterial Pressure (MAP) from a standard blood pressure reading in seconds. Clinicians use MAP to assess whether vital organs are receiving adequate perfusion.
Body Surface Area Calculator
Calculates your body surface area (BSA) in m² using the DuBois formula from weight and height. Clinicians use BSA to determine chemotherapy doses, cardiac index, and burn coverage.
Creatinine Clearance Calculator
Estimate kidney function as creatinine clearance (CrCl) in mL/min using the Cockcroft-Gault equation. Used by clinicians and pharmacists to adjust drug doses in patients with renal impairment.
Ideal Body Weight Calculator
Estimates your ideal body weight using the Devine formula based on height and sex. Used by clinicians to guide medication dosing and assess healthy weight targets.
Heart Rate Zone Calculator
Calculates your target heart rate for a given exercise intensity using your age-predicted maximum heart rate. Use it to stay in the right training zone for fat burning, cardio fitness, or peak performance.
Medication Dosage Calculator
Estimates a safe medication dose for children by scaling an adult dose proportionally to the child's weight, then applying a safety factor. Use it when a pediatric-specific dose is unavailable and weight-based scaling is clinically appropriate.
Pregnancy Due Date Calculator
Calculates your estimated due date, current gestational age, and key pregnancy milestones from the first day of your last menstrual period and your cycle length. Use it as soon as you suspect pregnancy or receive a positive test.
BSA-Based Dosage Calculator
Calculates medication dose using body surface area (BSA) derived from the Mosteller formula applied to weight and height. Essential for chemotherapy and other drugs where BSA-based dosing improves safety and efficacy.
Daily Fluid Requirements Calculator
Estimates a patient's daily fluid needs using the Holliday-Segar method, a tiered weight-based formula. Used by clinicians and nurses to calculate maintenance IV fluids or oral fluid targets for pediatric and adult patients.
Corrected Calcium Calculator
Adjusts a patient's measured serum calcium for low albumin levels, revealing the true physiologically active calcium concentration. Used in labs and clinical settings when hypoalbuminemia may mask true hypercalcemia or hypocalcemia.
Anion Gap Calculator
Calculates the anion gap from serum sodium, chloride, and bicarbonate to help identify the cause of metabolic acidosis. Clinicians use it whenever a patient presents with unexplained acidosis or altered mental status.
Pack Years Calculator
Calculates cumulative smoking exposure in pack-years by multiplying daily cigarette packs by years smoked. Used by physicians to quantify lung cancer risk, COPD staging, and eligibility for lung cancer screening programs.
Waist-to-Hip Ratio Calculator
Divides waist circumference by hip circumference to produce a simple index of abdominal fat distribution and cardiovascular risk. Used during health screenings to identify individuals at elevated risk for diabetes, heart disease, and metabolic syndrome.
Body Fat Percentage Calculator
Estimate your body fat percentage using the US Navy circumference method. Enter your height, waist, and neck measurements to get a clinically-validated fat percentage result.
Glasgow Coma Scale Calculator
Score a patient's level of consciousness using the Glasgow Coma Scale (GCS). Used by clinicians to assess eye, verbal, and motor responses after head injury or altered mental status.
Framingham Risk Score Calculator
Estimate your 10-year risk of a cardiovascular event using key lab and clinical values. Used by clinicians and patients to guide decisions about statin therapy, lifestyle change, and preventive care.
Pediatric Fever Medication Calculator
Calculate the correct acetaminophen or ibuprofen dose for a child based on weight. Helps parents and caregivers avoid under- or overdosing during fever management at home.
BMI & Body Fat Percentage Calculator
Calculate your BMI and estimate body fat percentage using your weight, height, age, and gender. Useful for tracking healthy weight status and understanding body composition beyond the scale.
Daily Calorie Needs Calculator
Estimates your Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor equation. Use it to plan calorie intake for weight loss, maintenance, or muscle gain based on your activity level.
Blood Pressure Category Calculator
Calculates your Mean Arterial Pressure (MAP) from systolic and diastolic readings and classifies your blood pressure category per AHA guidelines. Useful for monitoring cardiovascular health at home or tracking hypertension treatment progress.
Kidney Function Calculator (eGFR)
Estimates your glomerular filtration rate (eGFR) using the CKD-EPI equation from serum creatinine, age, sex, and race. Clinicians and patients use it to stage chronic kidney disease and track how well the kidneys are filtering blood.
10-Year Heart Disease Risk Calculator
Estimates your 10-year risk of a cardiovascular event using key clinical risk factors including age, blood pressure, cholesterol, HDL, and smoking status. Use it to understand your personal risk level and guide conversations with your doctor.
BMI and Body Fat Calculator
Computes your BMI and estimates body fat percentage from weight, height, age, and sex. Useful for health screenings, fitness goal-setting, and understanding whether your weight is proportionate for your frame.
Blood Pressure Risk Calculator
Estimates cardiovascular risk from your blood pressure readings, age, smoking status, and diabetes. Use it to understand how individual risk factors combine and whether a lifestyle change or medical review is warranted.
Calorie Deficit & Weight Loss Calculator
Estimates how many weeks it will take to reach your target weight by modeling your calorie deficit as your body weight—and therefore your TDEE—decreases over time. Use it when planning a structured weight-loss programme with a realistic timeline.
BMI & Body Fat Calculator
Calculate your BMI and estimated body fat percentage using your weight, height, age, and gender. Use it to screen for underweight, overweight, or obesity and understand your health risk category.
Medication Dosage Calculator
Calculate a weight-based medication dose adjusted for patient age and kidney function. Useful for clinicians and pharmacists when standard dosing requires renal or geriatric modifications.
Blood Pressure Risk Assessment Calculator
Assess your cardiovascular risk score based on blood pressure readings, age, smoking status, and family history of heart disease. Use it to understand whether lifestyle or medical intervention may be warranted.
Kidney Function (GFR) Calculator
Estimate your glomerular filtration rate (eGFR) using the MDRD equation to assess kidney function and chronic kidney disease (CKD) stage. Useful for patients and clinicians monitoring renal health.