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60 evidence-based calculators for everyday clinical decisions. No login. No ads. Free forever.
AI Scribe (1)
Cardiology (7)
ASCVD 10-Year Risk (Heart)
Cardiovascular risk + statin decision tool. Adjusted for South Asian ethnicity.
QTc Interval Calculator
Bazett, Fridericia, Framingham — drug safety check before prescribing QT-prolonging meds.
CHA₂DS₂-VASc (AF Stroke Risk)
Estimate annual stroke risk in non-valvular atrial fibrillation. Anticoagulation decision tool.
HAS-BLED (Bleeding Risk)
Bleeding risk score for AF patients on anticoagulation. Paired with CHA₂DS₂-VASc.
HEART Score (Chest Pain)
Risk-stratify chest pain in ED. Predicts 6-week MACE for safe discharge.
Mean Arterial Pressure (MAP)
Calculate MAP from SBP/DBP. Perfusion monitoring in critical care.
TIMI Risk Score (UA/NSTEMI)
Estimate 14-day MACE risk in unstable angina/NSTEMI. Guides invasive strategy.
OBGYN (5)
Pregnancy Due Date Calculator (EDD)
Calculate estimated date of delivery and gestational age from LMP.
Bishop Score (Labor)
Cervical favourability assessment for labor induction. Used daily on labor wards.
β-hCG Doubling Time
Early pregnancy viability and ectopic risk by serial β-hCG doubling.
Ganzoni Iron Deficit (Anemia)
Calculate IV iron dose for iron deficiency anemia in pregnancy and CKD.
Pregnancy Weight Gain Tracker
IOM 2009 gestational weight gain targets by pre-pregnancy BMI (incl. twin).
Pediatrics (14)
APGAR Score (Newborn)
Newborn 1/5/10 minute assessment — colour, HR, reflex, tone, respiration. NRP-aligned.
Pediatric Early Warning Score (PEWS)
Brighton PEWS — detect clinical deterioration in hospitalised children. PICU triage.
Bone Age / Predicted Adult Height
Greulich-Pyle & TW3 skeletal age + Bayley-Pinneau adult height prediction.
Pediatric BMI Percentile (IAP 2015)
Classify underweight, normal, overweight & obesity using Indian-specific IAP charts.
Height & Weight Percentile (IAP 2015)
Plot height-for-age and weight-for-age — detect stunting, FTT, short stature.
Pediatric BP Percentile (AAP 2017)
Classify normal, elevated, Stage 1 & 2 hypertension by age and sex.
Westley Croup Score
Pediatric stridor severity — guides dexamethasone + nebulised adrenaline.
Kawasaki Disease Criteria (AHA 2017)
Classic + incomplete KD diagnosis. Critical to start IVIG within 10 days.
MASCC — Febrile Neutropenia Risk
Identify low-risk FN suitable for outpatient oral antibiotics. ESMO/INPOG aligned.
Paracetamol Pediatric Dose
Crocin, Calpol, Dolo, P-650 — exact mL by weight & syrup strength.
Generic Syrup Dose Calculator
Calculate exact mL for any pediatric syrup based on weight & concentration.
Amoxicillin / Augmentin Dose
Pediatric antibiotic dosing for ENT, RTI, UTI infections.
ORS Dehydration Calculator
WHO-based ORS volume for mild, moderate, severe dehydration in children.
IV Fluid Maintenance Calculator
Holliday-Segar formula for pediatric maintenance fluids (mL/hour).
General Practice (3)
Centor Score (Strep Throat)
Evidence-based decision tool for sore throat antibiotic prescribing.
BMI Calculator
Body Mass Index with WHO + Indian (lower threshold) classifications.
eGFR / Creatinine Clearance
CKD-EPI & Cockcroft-Gault for kidney function & drug dose adjustment.
Emergency (6)
Glasgow Coma Scale (GCS)
Standardised neuro assessment for trauma, stroke, altered consciousness.
NIH Stroke Scale (NIHSS)
15-item neuro exam scoring acute ischemic stroke severity.
Parkland Burn Fluid Formula
24-hour Ringer's Lactate for burn resuscitation. 4 mL × kg × %TBSA.
Caprini VTE Risk Score
DVT/PE risk for surgical & medical inpatients. Decides LMWH prophylaxis.
NEWS2 (Early Warning Score)
Track-and-trigger for ward deterioration & sepsis screening.
Anion Gap + Delta-Delta
Albumin-corrected anion gap, Δ/Δ ratio. HAGMA, NAGMA, mixed acid-base.
Endocrinology (5)
Insulin Sliding Scale
Generate low/standard/high-dose sliding scale for inpatient hyperglycemia.
FRAX 10-Year Fracture Risk
Estimate 10-year hip and major osteoporotic fracture risk. Indian-adjusted.
HbA1c → eAG Converter
HbA1c to estimated average glucose (mg/dL, mmol/L, IFCC) with ADA/ICMR thresholds.
Levothyroxine Dose Titration
Starting dose + TSH-based titration per ATA 2014, ICMR, FOGSI pregnancy guidance.
HOMA-IR Insulin Resistance
Insulin resistance score from fasting glucose + insulin using Indian/Asian cutoffs.
Nephrology (4)
Cockcroft-Gault Creatinine Clearance
Classic eCrCl for drug dose adjustment — DOACs, vancomycin, allopurinol.
FENa (Fractional Excretion of Na)
Differentiate pre-renal vs intrinsic AKI. Bedside diuretic-naïve patients.
Free Water Deficit (Hypernatremia)
Calculate water deficit for hypernatremia correction. Prevents rapid drop.
Sodium Correction (Adrogue-Madias)
Correct hyponatremia with 3%/0.9% saline. Prevents central pontine myelinolysis.
Pulmonology / Infectious Disease (4)
CURB-65 Score (Pneumonia)
CAP severity score — outpatient vs ward vs ICU decision per BTS and ICS India.
Wells Score for PE
Pre-test probability for pulmonary embolism. Drives D-dimer vs CTPA decision.
PSI / PORT Score (Pneumonia)
Pneumonia Severity Index — risk-class I–V, 30-day mortality.
SIRS + qSOFA (Sepsis Screen)
Bedside sepsis screening with Surviving Sepsis 2021 hour-1 bundle.
Hepatology (1)
Oncology (1)
GP / Pulmonology (1)
Pain Management (1)
Dentistry (7)
DMFT / DMFS Index
WHO caries index — decayed, missing, filled teeth/surfaces.
OHI-S (Greene-Vermillion)
Simplified Oral Hygiene Index — debris + calculus on six index teeth.
Gingival Bleeding Index (BOP %)
Ainamo & Bay bleeding-on-probing percentage. Perio recall planner.
AAE Endo Case Difficulty
AAE 2020 — Minimal / Moderate / High tier with referral guidance.
Pediatric Dental Dosing
Weight-based Amoxicillin, Cefadroxil, Ibuprofen & Paracetamol — Indian syrup mL.
Implant Success (Albrektsson / Misch)
Success, Satisfactory Survival, Compromised or Failure per Pisa Consensus.
Dental LA Max Dose
Maximum safe cartridges of Lidocaine, Articaine, Mepivacaine for dental procedures.
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