RxMedCalc clinical tools
Medical Calculators
Browse the full RxMedCalc calculator library. The migration is being rolled out incrementally; migrated tools use the new interface while the remaining tools continue to use their existing implementations.
Emergency & Critical Care
A-a Gradient Calculator
Free alveolar-arterial (A-a) oxygen gradient calculator. Calculate A-a gradient from ABG values to distinguish pulmonary from non-pulmonary causes of hypoxaemia. Includes normal A-a gradient by age, clinical interpretation, and causes of elevated A-a gradient. Used by pulmonologists and emergency physicians worldwide.
Open calculator →Clinical Calculator
ABCD2 Score for TIA Stroke Risk
Free ABCD2 score calculator for TIA stroke risk stratification. Calculate 2-day and 7-day stroke risk after transient ischaemic attack. Identifies high-risk TIA patients needing urgent investigation. AHA/ASA 2021 guidelines.
Open calculator →Respiratory
ABG Interpreter: Arterial Blood Gas Analysis
Free ABG interpreter — enter pH, PaCO2 and HCO3 to identify the primary acid-base disorder, check compensation, calculate anion gap, and assess oxygenation, instantly.
Open calculator →Clinical Calculator
Albumin-Corrected Anion Gap Calculator
Free albumin-corrected anion gap calculator. Unmask high anion gap metabolic acidosis masked by hypoalbuminaemia. Includes delta-delta ratio for mixed disorders, normal anion gap causes, and MUDPILES mnemonic. Used by intensivists and nephrologists worldwide.
Open calculator →Respiratory
Anion Gap Calculator
Free anion gap calculator with albumin correction and delta ratio. Identify pure vs mixed metabolic acidosis instantly. Includes MUDPILES mnemonic, Winter's formula for respiratory compensation, and causes of high/normal anion gap.
Open calculator →Clinical Calculator
Anti-Rabies Serum Dose Calculator — ERIG & HRIG
Free anti-rabies serum dose calculator for India. Calculate ERIG dose (40 IU/kg) and HRIG dose (20 IU/kg) by body weight — total IU, volume in ml, vial count. Skin test protocol & wound infiltration guide. NCDC India guidelines.
Open calculator →Clinical Calculator
APACHE II Score Calculator
Free APACHE II (Acute Physiology and Chronic Health Evaluation II) score calculator for ICU mortality prediction. Calculate score from 12 acute physiology variables, age, and chronic health points. Includes ICU mortality percentage and management guidance. Used by intensivists and critical care physicians worldwide.
Open calculator →Paediatrics
APGAR Score Calculator
Free APGAR score calculator for newborn assessment at 1, 5, and 10 minutes. Calculate appearance, pulse, grimace, activity, and respiration scores instantly.
Open calculator →Clinical Calculator
ARV Dose Calculator
Free ARV (Anti-Rabies Vaccine) dose calculator for India. Calculate HRIG/ERIG dose by weight, wound category (I/II/III), and Essen IM/ID schedules per NCDC guidelines.
Open calculator →Cardiology
ASCVD 10-Year Risk Calculator
Free ASCVD 10-year cardiovascular risk calculator using the AHA/ACC 2013 Pooled Cohort Equations. Calculate risk for atherosclerotic cardiovascular disease including heart attack and stroke. Includes statin therapy recommendations, lifestyle advice, and risk reduction strategies. Used by cardiologists and general physicians worldwide.
Open calculator →Obstetrics & Gynaecology
Beta hCG Doubling TimeCalculator
Calculate beta hCG doubling time or half-life between two serial serum measurements. Interpret early pregnancy viability, ectopic risk and miscarriage. ACOG-aligned. Free.
Open calculator →Clinical Calculator
Biomedical Waste Segregation Guide
Complete biomedical waste segregation guide for India. Colour-coded categories (Yellow, Red, White, Blue, Black) per BMW Rules 2016 & 2018 amendment. Search 150+ waste items, identify correct bag/container, disposal method, and CPCB compliance.
Open calculator →Emergency & Critical Care
BISAP Score Calculator
Free BISAP (Bedside Index of Severity in Acute Pancreatitis) score calculator. Predict in-hospital mortality, organ failure, and need for ICU care in acute pancreatitis within 24 hours of admission. Includes Revised Atlanta Classification, management guidance, and CTSI comparison. Used by gastroenterologists and emergency physicians worldwide.
Open calculator →Clinical Calculator
BMI Calculator India
Free BMI calculator for India. Check your BMI using Asian/Indian specific cutoffs (overweight ≥23, obese ≥25). Includes waist circumference risk and WHO comparison.
Open calculator →Clinical Calculator
Breastfeeding Calorie & Macro Calculator
Free breastfeeding calorie and macro calculator for Indian mothers. Calculate extra calories needed while breastfeeding, protein, fat, carb targets, and key micronutrients. Based on ICMR 2020 RDA and WHO guidelines. No login.
Open calculator →Cardiology
Body Surface Area(BSA) Calculator
Free body surface area (BSA) calculator using Mosteller, DuBois, Boyd, and Haycock formulas. Used for chemotherapy dosing, cardiac index, and BSA-normalised drug dosing. Includes cardiac output and index calculation. Used by oncologists, cardiologists, and intensivists worldwide.
Open calculator →Emergency & Critical Care
Parkland Formula & Burn Percentage Calculator
Free Parkland formula calculator for burns. Estimate TBSA with our Rule of Nines burn percentage calculator and determine 24-hour fluid resuscitation needs.
Open calculator →Clinical Calculator
CBC Report Interpreter
Interpret your CBC (Complete Blood Count) report instantly. Enter your blood test values and get plain-English explanations of WBC, RBC, Haemoglobin, Haematocrit, MCV, MCH, MCHC, Platelets, and more. Normal ranges by age and sex.
Open calculator →Clinical Calculator
CHA₂DS₂-VASc Score Calculator
Free CHA₂DS₂-VASc score calculator for stroke risk assessment in atrial fibrillation. Calculate annual stroke risk percentage, anticoagulation recommendations per ESC 2020 guidelines, and HAS-BLED bleeding risk cross-reference. Used by cardiologists and general physicians worldwide.
Open calculator →Paediatrics
Child-Pugh Score Calculator
Free Child-Pugh score calculator for chronic liver disease staging. Instantly calculate Class A, B, or C cirrhosis with 1-year/2-year survival, operative mortality, and MELD comparison. Includes PBC/PSC bilirubin variant. Used by hepatologists, GI surgeons, and medical students.
Open calculator →Obstetrics & Gynaecology
Conception Date Calculator
Accurate conception date calculator aligned with FOGSI & WHO standards. Calculate when you conceived using your due date, last period (LMP), ultrasound, or IVF transfer timeline.
Open calculator →Clinical Calculator
Corrected Calcium Calculator
Free corrected calcium calculator for hypoalbuminaemia. Calculates albumin-adjusted calcium in mg/dL and mmol/L with hypocalcaemia/hypercalcaemia interpretation. Used by doctors, intensivists, and medical students.
Open calculator →Renal
Creatinine Clearance (Cockcroft-Gault)
Free Cockcroft-Gault creatinine clearance calculator for drug dosing. Supports mg/dL and µmol/L. Ideal for antibiotics, DOACs, and chemotherapy dose adjustments.
Open calculator →Clinical Calculator
CURB-65 Severity Calculator
Calculate CURB-65 score online for Community-Acquired Pneumonia. Instantly assess 30-day mortality risk and get evidence-based BTS/IDSA admission recommendations.
Open calculator →Paediatrics
Drug Dose Calculator
Free weight-based drug dose calculator for India. Calculate exact pediatric and adult mg/kg dosages for paracetamol, amoxicillin, antibiotics, and emergency drugs.
Open calculator →Obstetrics & Gynaecology
Pregnancy Due Date Calculator (EDD) & Gestational Age
Free clinical due date calculator (EDD/EDC) & gestational age (POG) tool. Calculate by LMP, ultrasound biometry (CRL/BPD), or IVF transfer. FOGSI & ACOG aligned.
Open calculator →Paediatrics
Fetal Weight Calculator: Compare 6 EFW Formulas
Free fetal weight (EFW) calculator comparing all 6 published formulas side-by-side: Hadlock 1–4, Shepard, and INTERGROWTH-21st. See the spread across formulas from a single set of biometry measurements.
Open calculator →Renal
eGFR Calculator
Free eGFR calculator using CKD-EPI 2021, Cockcroft-Gault (CrCl), and MDRD formulas. Supports mg/dL and µmol/L. Instant CKD staging G1–G5. Used by doctors, medical students, and nurses.
Open calculator →Clinical Calculator
EPDS Calculator — Edinburgh Postnatal Depression Scale
Free EPDS calculator — Edinburgh Postnatal Depression Scale. Score the validated 10-item postpartum depression screening questionnaire instantly, with cutoff interpretation. For use by healthcare professionals.
Open calculator →Renal
FENa Calculator Fractional Excretion of Sodium
Free FENa (fractional excretion of sodium) calculator. Distinguish prerenal from intrinsic renal acute kidney injury. Includes FEUrea for patients on diuretics, clinical interpretation, and AKI management guide. Used by nephrologists and emergency physicians worldwide.
Open calculator →Obstetrics & Gynaecology
Fetal Doppler Calculator — Colour Doppler Reading Suite
Free fetal Doppler calculator for obstetric colour Doppler readings — umbilical artery S/D ratio, RI, PI, MCA peak systolic velocity (MoM for fetal anaemia), and cerebroplacental ratio (CPR). Instant, evidence-based, no login.
Open calculator →Paediatrics
Fetal Growth Calculator
Calculate estimated fetal weight and length by gestational week. Compare baby's growth to WHO and Hadlock percentiles. Includes fetal size comparison and growth milestones.
Open calculator →Clinical Calculator
FIB-4 Index Calculator
Free FIB-4 Index calculator for liver fibrosis staging. Non-invasive score using Age, AST, ALT, and platelet count. Validated for HCV, HBV, NAFLD/MASLD. Instant interpretation with F-stage and biopsy guidance.
Open calculator →Cardiology
Framingham Risk Score 10-Year CHD Risk
Free Framingham Risk Score calculator for 10-year coronary heart disease (CHD) risk. Calculates risk from age, sex, total cholesterol, HDL, blood pressure, smoking status, and diabetes. Includes statin and lifestyle recommendations. Used by cardiologists and GPs worldwide.
Open calculator →Paediatrics
GCS Calculator
Free online GCS calculator for adults and pediatric patients. Supports intubated (T modifier). Includes Adelaide pediatric scale and TBI severity classification.
Open calculator →Obstetrics & Gynaecology
Gestational Age Calculator
Free gestational age calculator. Find out exactly how many weeks pregnant you are using Last Menstrual Period (LMP), ultrasound date, or estimated due date. Instant results with trimester, milestone timeline, and due date.
Open calculator →Clinical Calculator
GRACE Score ACS Risk Calculator
Free GRACE (Global Registry of Acute Coronary Events) score calculator for risk stratification in acute coronary syndrome. Predict in-hospital and 6-month mortality and MACE after ACS. Includes ESC 2020 NSTEMI management guidance, invasive strategy timing, and antiplatelet recommendations. Used by cardiologists worldwide.
Open calculator →Paediatrics
WHO & IAP Growth Chart Calculator — India
Free WHO & IAP growth chart calculator for Indian children (0-18 years). Calculate weight-for-age, height-for-age, pediatric BMI, and head circumference Z-scores.
Open calculator →Paediatrics
Growth Velocity Calculator
Calculate growth velocity in children — height velocity and weight velocity per year. WHO and IAP reference ranges for paediatric growth assessment. Detect growth faltering early.
Open calculator →Paediatrics
Hadlock EFW Calculator — Estimated Fetal Weight from Ultrasound
Free Hadlock EFW calculator for estimated fetal weight from BPD, HC, AC and FL. Get EFW in grams, ±15% range, and growth percentile (SGA/AGA/LGA) instantly. Built for Indian obstetric practice.
Open calculator →Clinical Calculator
HAS-BLED Score Calculator
Free clinical HAS-BLED score calculator for bleeding risk assessment in patients with atrial fibrillation on anticoagulation. Identify modifiable major bleeding risk factors based on ESC guidelines.
Open calculator →Clinical Calculator
HbA1c Converter
Free HbA1c converter: convert HbA1c % to IFCC mmol/mol, estimated average glucose (eAG) in mg/dL and mmol/L. Instant diabetes target interpretation. Used by doctors, diabetologists, and patients.
Open calculator →Paediatrics
Height Velocity Calculator
Calculate height velocity in children with WHO reference ranges. Detect growth faltering, growth hormone deficiency, and pubertal growth spurt. India paediatric clinical tool.
Open calculator →Renal
Holliday-Segar Maintenance Fluid Calculator
Free Holliday-Segar maintenance IV fluid calculator using the 4-2-1 rule. Calculate mL/hour and mL/day for paediatric and adult maintenance fluids. Includes fluid type recommendations, electrolyte requirements, and clinical adjustments for fever, burns, and renal failure. Used by paediatricians and emergency doctors worldwide.
Open calculator →Clinical Calculator
Hunt-Hess Scale SAH Grading Calculator
Free Hunt-Hess scale calculator for subarachnoid haemorrhage (SAH) severity grading. Predict 30-day mortality, guide surgical timing, and assess surgical risk after aneurysmal SAH. Includes World Federation of Neurosurgical Societies (WFNS) grading comparison, hydrocephalus monitoring, and vasospasm management guide.
Open calculator →Clinical Calculator
Hypothyroidism Billewicz Score
Calculate Billewicz Score for hypothyroidism diagnosis. Based on ICMR Standard Treatment Workflow. Includes TSH interpretation, Levothyroxine dosing, and target TSH ranges for Indian clinical practice.
Open calculator →Clinical Calculator
Ideal Body Weight(IBW) Calculator
Free ideal body weight calculator using Devine, Robinson, Miller and Hamwi formulas. Includes adjusted body weight (AdjBW) for obese patients, drug dosing guide, and ventilator tidal volume calculation. Used by doctors and pharmacists worldwide.
Open calculator →Obstetrics & Gynaecology
Iron Deficit Calculator
Free iron deficit calculator using the Ganzoni equation for IV iron therapy dosing. Calculate total iron deficit, iron sucrose/FCM/iron dextran doses, with pregnancy and CKD targets. Built for Indian clinicians.
Open calculator →Clinical Calculator
IV Drip Rate Calculator
Free IV drip rate calculator for nurses and doctors. Calculate drops per minute (dpm), mL per hour, and infusion time. Supports macro (10, 15, 20 dpm) and micro (60 dpm) drip sets. Instant results — no login required.
Open calculator →Clinical Calculator
Kt/V Calculator — Dialysis Adequacy & URR
Free Kt/V and URR (urea reduction ratio) calculator for haemodialysis adequacy. Uses Daugirdas second-generation formula. KDOQI target spKt/V ≥1.4 per session. Includes interpretation and prescription guidance.
Open calculator →Cardiology
Lab Unit Converter
Free medical lab unit converter. Convert between mg/dL and mmol/L for glucose, cholesterol, triglycerides, creatinine, urea, bilirubin, calcium, magnesium, uric acid, HbA1c, and 15+ more analytes. Includes normal reference ranges. Used by doctors, nurses, and patients worldwide.
Open calculator →Cardiology
LDL Cholesterol Calculator
Free LDL cholesterol calculator using Friedewald equation and Martin-Hopkins formula. Calculate LDL-C from total cholesterol, HDL, and triglycerides. Includes AHA/ACC statin targets by risk category. Works in mg/dL and mmol/L.
Open calculator →Cardiology
Mean Arterial Pressure(MAP) Calculator
Free MAP calculator. Calculate mean arterial pressure from systolic and diastolic blood pressure instantly. Includes normal MAP range, clinical interpretation, and shock thresholds. Used by doctors and nurses worldwide.
Open calculator →Clinical Calculator
MELD Score Calculator
Free MELD and MELD-Na score calculator for liver disease severity and transplant priority. 90-day mortality prediction, UNOS waitlist criteria, and hepatology management guide. Used by hepatologists and gastroenterologists worldwide.
Open calculator →Clinical Calculator
Mentzer Index Calculator
Free Mentzer Index calculator (MCV/RBC ratio) to differentiate beta thalassemia trait from iron deficiency anemia. Instant clinical interpretation & guidelines.
Open calculator →Paediatrics
Developmental Milestone Checklist — India
Free developmental milestone checklist for Indian children 0–18 years. Track gross motor, fine motor, language, and social milestones with IAP red flag alerts.
Open calculator →Clinical Calculator
NAFLD Fibrosis Score Calculator
Free NAFLD Fibrosis Score (NFS) calculator. Uses Age, BMI, Diabetes, AST/ALT ratio, Platelets & Albumin to detect advanced liver fibrosis (F3–F4) in NAFLD/MASLD. Validated by Angulo et al. 2007 — NPV 93%, PPV 90%.
Open calculator →Paediatrics
Neonatal Jaundice Calculator
Free neonatal jaundice calculator based on AAP 2022 and IAP guidelines. Determine exact phototherapy and exchange transfusion thresholds for newborns ≥35 weeks.
Open calculator →Emergency & Critical Care
NEWS2 Early Warning Calculator
Free NEWS2 score calculator for emergency & ward care: Assess acute illness risk in seconds. Includes interpretation, escalation guidelines, & offline use.
Open calculator →Emergency & Critical Care
NIH Stroke Scale (NIHSS) Calculator
Free NIH Stroke Scale (NIHSS) calculator. Assess acute ischaemic stroke severity across 11 domains. Predict stroke outcome, guide tPA thrombolysis decisions, and track neurological improvement. Validated scoring tool used by neurologists and emergency physicians worldwide.
Open calculator →Obstetrics & Gynaecology
OB Wheel Calculator — Online Pregnancy Wheel for Due Date & Gestational Age
Free online OB wheel — calculate EDD, gestational age, and pregnancy milestones instantly from LMP, ultrasound, or IVF transfer date. FOGSI · ACOG · WHO guidelines.
Open calculator →Paediatrics
ORS Rehydration Calculator
Free ORS dose calculator for pediatric and adult diarrhea. Get exact oral rehydration solution (WHO Plan A/B) and zinc dosages by weight for dehydration in India.
Open calculator →Obstetrics & Gynaecology
Ovulation Calendar & Fertility Planner
Free ovulation calculator and fertility calendar. Track your most fertile days, predict ovulation dates, and plan your pregnancy with our clinically-informed tool.
Open calculator →Paediatrics
Paracetamol Dose Calculator
Free paracetamol dose calculator for India. Calculate exact child & adult doses (15mg/kg) for Calpol, Dolo, and Crocin. Get 125mg/5ml & 250mg/5ml syrup volumes.
Open calculator →Paediatrics
Child Asthma Action Plan
Printable pediatric asthma action plan with Green, Yellow, and Red zone guidance. Based on GINA and IAP asthma guidelines for children. Includes symptom assessment and WhatsApp sharing for parents and caregivers.
Open calculator →Paediatrics
Pediatric Dehydration Assessment
Free pediatric dehydration assessment calculator using WHO clinical signs and DHAKA score. Assess dehydration severity (no/some/severe) in children with diarrhoea and vomiting. Includes WHO ORT Plan A/B/C, fluid rehydration volumes, and zinc supplementation guide. Used by paediatricians worldwide.
Open calculator →Paediatrics
Paediatric Weight Estimation Calculator
Free paediatric weight estimation calculator using Broselow tape, APLS, Luscombe-Owens, and Nelson formulas. Calculate estimated weight from age or length for emergency drug dosing, fluid resuscitation, and defibrillation energy. Includes emergency drug dose table.
Open calculator →Clinical Calculator
PERC Rule PE Rule-Out Criteria
Free PERC rule calculator for pulmonary embolism rule-out in low-risk patients. If all 8 PERC criteria are negative AND pre-test probability is low, PE is safely excluded without D-dimer or imaging. AHA/ESC guidelines.
Open calculator →Clinical Calculator
PHQ-9 & GAD-7 Mental Health Screener
Free PHQ-9 depression screening and GAD-7 anxiety screening calculator. Score interpretation, severity classification, and management guidance. Validated tools used in primary care, psychiatry, and general practice worldwide. Free for doctors and healthcare professionals.
Open calculator →Obstetrics & Gynaecology
Pregnancy BMI Calculator
Calculate your pre-pregnancy BMI instantly. Find your weight category, recommended weight gain range by trimester, and understand how BMI affects pregnancy outcomes. Free, medically referenced, kg & lb.
Open calculator →Obstetrics & Gynaecology
Pregnancy Weight Gain Calculator
Calculate recommended pregnancy weight gain by week and trimester based on your pre-pregnancy BMI. Follows IOM 2009 guidelines. Track healthy weight gain for singleton and twin pregnancies.
Open calculator →Clinical Calculator
Prostate Volume Calculator — PSA Density & IPSS
Free prostate volume calculator using ellipsoid formula. Calculate prostate size from TRUS/MRI, PSA density, IPSS score, and BPH risk — used by urologists and GPs in India. No login required.
Open calculator →Emergency & Critical Care
PSI / PORT Score Calculator
Free PSI (Pneumonia Severity Index) / PORT score calculator for community-acquired pneumonia. Predict 30-day mortality, guide outpatient vs inpatient vs ICU admission decisions. Includes antibiotic recommendations per ATS/IDSA 2019 guidelines. Used by emergency physicians and pulmonologists worldwide.
Open calculator →Emergency & Critical Care
qSOFA Score Calculator
Free qSOFA (quick SOFA) calculator for bedside sepsis screening outside the ICU. Calculate qSOFA score from altered mentation, respiratory rate, and systolic BP. Includes Sepsis-3 criteria, mortality prediction, and SSC Hour-1 Bundle guidance. Used by emergency physicians and hospitalists worldwide.
Open calculator →Cardiology
QTc Calculator Corrected QT Interval
Free QTc (corrected QT interval) calculator using Bazett, Fridericia, Framingham and Hodges formulas. Assess risk of torsades de pointes, drug-induced QT prolongation, and Long QT syndrome. Includes QT prolonging drug list and management guide. Used by cardiologists and emergency physicians worldwide.
Open calculator →Clinical Calculator
RASS Score Richmond Agitation-Sedation Scale
Free RASS (Richmond Agitation-Sedation Scale) calculator and reference. Assess and target sedation depth in ICU and mechanically ventilated patients. Includes target RASS ranges by clinical scenario, sedative drug guide, and PADIS 2018 guidelines. Used by intensivists and critical care nurses worldwide.
Open calculator →Cardiology
RCRI Calculator Revised Cardiac Risk Index
Free RCRI (Revised Cardiac Risk Index) calculator for perioperative cardiac risk assessment before non-cardiac surgery. Calculate risk of major adverse cardiac events (MACE), includes ACC/AHA 2014 preoperative guidelines, statin and beta-blocker recommendations, and cardiac workup decision guide. Used by anaesthesiologists and surgeons worldwide.
Open calculator →Obstetrics & Gynaecology
Reverse Due Date Calculator: Find Conception
Free reverse due date calculator. Enter your due date (or baby's birthday) to estimate the conception date, likely LMP, and fertile intercourse window — Naegele's rule, explained.
Open calculator →Clinical Calculator
Serum Osmolality& Osmol Gap Calculator
Free serum osmolality calculator. Calculate measured vs calculated osmolality and osmol gap. Detect toxic alcohol ingestion, identify causes of hyperosmolality, and interpret the osmol gap. Includes clinical interpretation and management guide.
Open calculator →Obstetrics & Gynaecology
Shock Index Calculator
Free shock index calculator. Calculate shock index (HR/SBP) and modified shock index to assess haemodynamic instability, predict massive transfusion need, and guide resuscitation. Includes clinical thresholds for trauma, obstetric haemorrhage, and sepsis. Used by emergency physicians worldwide.
Open calculator →Emergency & Critical Care
SIRS Criteria Calculator
Free SIRS criteria calculator. Identify systemic inflammatory response syndrome and screen for sepsis. Includes Sepsis-2 vs Sepsis-3 comparison, organ dysfunction assessment, septic shock criteria, and IDSA/SSC management guidance. Used by emergency physicians and intensivists worldwide.
Open calculator →Emergency & Critical Care
Sodium Correction for Hyperglycaemia
Free corrected sodium calculator for hyperglycaemia. Calculates true sodium using Katz (1.6) and Hillier (2.4) correction factors. Identifies masked hypo/hypernatraemia in diabetic patients. Used by diabetologists and emergency physicians worldwide.
Open calculator →Emergency & Critical Care
SOFA Score Calculator
Free SOFA score calculator for ICU patients. Assess sequential organ failure across 6 organ systems. Predict ICU mortality, diagnose sepsis (qSOFA), and guide organ support decisions. Used by intensivists and critical care physicians worldwide.
Open calculator →Clinical Calculator
Spirometry Predicted Values
Calculate predicted FEV1, FVC, FEV1/FVC ratio and PEFR using Indian reference equations (Jindal et al.). Classify obstructive, restrictive and mixed ventilatory defects. Designed for pre-employment and periodic medical examinations in India.
Open calculator →Clinical Calculator
Steroid Dose Equivalence Calculator
Free corticosteroid dose equivalence calculator. Convert between prednisolone, dexamethasone, methylprednisolone, hydrocortisone, betamethasone, and triamcinolone. Includes mineralocorticoid potency, duration of action, and tapering guidance.
Open calculator →Clinical Calculator
STI / RTI Management Guide
NACO-based syndromic management guide for STI and RTI in India. Interactive treatment protocols for urethral discharge, vaginal discharge, genital ulcers, PID, inguinal bubo and more. For Indian doctors and healthcare workers.
Open calculator →Clinical Calculator
TSH Interpreter Thyroid Function Test
Free TSH and thyroid function test interpreter. Enter TSH, Free T4, and Free T3 values to get a complete interpretation — overt hypothyroidism, subclinical hypothyroidism, hyperthyroidism, and sick euthyroid syndrome. Includes ATA treatment guidelines, levothyroxine dosing, and thyroid cancer context.
Open calculator →Clinical Calculator
UIP Vaccine Schedule & Catch-Up Tracker — India
Free UIP vaccine scheduler for India. Enter date of birth for a personalised schedule from birth to 16 years. Complete catch-up for missed BCG, DPT, Rotavirus, PCV, MR, JE doses — IAP & NIS 2025 guidelines.
Open calculator →Renal
UPCR Calculator — Urine Protein:Creatinine Ratio
Free UPCR calculator — urine protein-to-creatinine ratio. Estimate 24-hour proteinuria from a spot urine sample, with KDIGO classification, nephrotic-range interpretation, and unit conversion. Used by nephrologists and physicians.
Open calculator →Emergency & Critical Care
Wells Score Calculator
Calculate Wells Score for DVT (deep vein thrombosis) and PE (pulmonary embolism). Evidence-based pre-test probability with NICE-guided D-Dimer and imaging recommendations.
Open calculator →