Clinical Scoring Calculators (UK)
Validated clinical scores for use by healthcare professionals, with references and the relevant NICE guidance on each page. They support clinical judgement rather than replace it, so always follow your local protocols. Where NICE has moved away from a score, the page says so.
NEWS2 Calculator
Calculate National Early Warning Score 2 (NEWS2) - the UK standard for assessing acute illness severity.
CURB-65 Calculator
Calculate pneumonia severity score to guide hospital admission and antibiotic treatment decisions.
Wells PE Calculator
Calculate pretest probability of pulmonary embolism (PE) using the Wells criteria to guide diagnostic decisions.
Wells DVT Calculator
Calculate pretest probability of deep vein thrombosis (DVT) using the Wells criteria to guide diagnostic decisions.
CHA₂DS₂-VASc Calculator
Assess stroke risk in atrial fibrillation to guide anticoagulation decisions.
Glasgow Coma Scale Calculator
Assess neurological status with the GCS scoring system - the standard tool for healthcare professionals in the UK.
qSOFA Calculator
Quick SOFA for bedside sepsis screening outside ICU. Identifies patients at risk of poor outcomes.
4AT Delirium Assessment
Rapid bedside delirium screening tool recommended by NICE NG97 for detecting delirium in clinical settings.
ABCD² Stroke Risk Score
Estimate short-term stroke risk after TIA using the ABCD² score as recommended by NICE NG128.
AKI Staging Calculator
Classify Acute Kidney Injury severity using KDIGO criteria. Stage 1-3 based on creatinine rise and urine output.
APACHE II Calculator
Acute Physiology and Chronic Health Evaluation II for ICU mortality prediction within first 24 hours.
APGAR Score Calculator
Assess newborn condition at 1 and 5 minutes after birth using the standardised APGAR scoring system.
Bishop Score Calculator
Assess cervical favourability for labour induction using the Bishop scoring system.
Body Surface Area Calculator
Calculate body surface area (BSA) using different formulas for medication dosing and clinical assessments.
Canadian C-Spine Rule
Determine if cervical spine imaging is required after blunt trauma using this validated 3-step clinical algorithm.
Cauda Equina Checklist
Assess red flag symptoms for Cauda Equina Syndrome. Urgent identification of this neurosurgical emergency.
Centor Calculator
Assess the likelihood of streptococcal infection in patients with sore throat.
Child-Pugh Score Calculator
Assess chronic liver disease severity and cirrhosis prognosis using the Child-Pugh classification.
Creatinine Clearance Calculator
Calculate kidney function using Cockcroft-Gault, MDRD, and CKD-EPI formulas for UK healthcare professionals.
Duke Criteria Calculator
Modified Duke Criteria for diagnosis of infective endocarditis. Classifies definite, possible, or rejected IE.
eGFR Calculator
Calculate estimated Glomerular Filtration Rate using the CKD-EPI 2021 equation for kidney function assessment.
FENa Calculator
Calculate Fractional Excretion of Sodium and Urea to differentiate pre-renal AKI from intrinsic renal failure.
Fetal Weight Calculator
Estimate fetal weight using the Hadlock formula from ultrasound biometry measurements.
FeverPAIN Calculator
Calculate FeverPAIN score to guide sore throat management and antibiotic prescribing decisions.
FIB-4 Index Calculator
Non-invasive liver fibrosis assessment using age and routine blood tests. Recommended by NICE NG49.
FRAX Fracture Risk Calculator
Calculate 10-year hip fracture and major osteoporotic fracture risk using the WHO FRAX assessment tool.
Glasgow-Blatchford Score
Calculate upper GI bleeding risk. Identifies patients needing intervention vs safe for outpatient management.
GRACE Score Calculator
GRACE score for ACS risk stratification. Predicts in-hospital and 6-month mortality. NICE recommended.
HAS-BLED Calculator
Assess bleeding risk in patients on anticoagulation therapy for atrial fibrillation.
HEART Score Calculator
Risk stratify chest pain patients in the ED. Predicts 6-week MACE risk to guide discharge decisions.
MELD Score Calculator
Calculate MELD scores to assess liver disease severity and determine transplant priority using laboratory values.
MEOWS Calculator
Modified Early Obstetric Warning Score for identifying deteriorating pregnant or postpartum women.
MUST Calculator
Calculate Malnutrition Universal Screening Tool (MUST) scores to identify adults at risk of malnutrition.
NAFLD Fibrosis Score
Non-invasive assessment of liver fibrosis in NAFLD/MASLD patients using routine clinical parameters.
NEXUS Criteria Calculator
Apply NEXUS low-risk criteria for cervical spine clearance. Simple 5-criteria decision tool for c-spine imaging.
Ottawa Ankle Rules
Determine if X-ray is needed for ankle or midfoot injuries. Validated clinical decision rule.
Ottawa Knee Rules
Determine if X-ray is needed for acute knee injuries. Near 100% sensitivity for fractures.
Paediatric GCS Calculator
Age-appropriate Glasgow Coma Scale assessment for infants and children with modified verbal criteria.
PERC Rule Calculator
Apply PERC criteria to safely exclude PE in low-risk patients without D-dimer testing.
PEWS Calculator
Calculate Paediatric Early Warning Score to identify children at risk of clinical deterioration.
PHQ-9 & GAD-7 Calculator
Screen for depression and anxiety using validated PHQ-9 and GAD-7 questionnaires with NHS resources.
PSI/PORT Score Calculator
Calculate pneumonia severity index for community-acquired pneumonia to guide site-of-care decisions.
QRISK3 Calculator
Calculate 10-year risk of heart attack and stroke using the QRISK3 algorithm.
RCRI Calculator
Revised Cardiac Risk Index (Lee Index) for perioperative cardiac risk assessment before non-cardiac surgery.
Rockall Score Calculator
Predict mortality and rebleeding risk in upper GI haemorrhage. Pre-endoscopy and complete scores.
Rockwood Frailty Scale
Assess frailty in elderly patients using the widely recognized Clinical Frailty Scale (CFS).
Shock Index Calculator
Calculate Shock Index, Modified SI, and Age-SI for early identification of haemodynamic instability.
SOFA Score Calculator
Sequential Organ Failure Assessment for ICU patients. Predicts mortality in sepsis and critical illness.
TIMI Risk Score Calculator
Calculate TIMI scores for STEMI and NSTEMI/UA to guide treatment decisions in acute coronary syndrome.