Clinical calculators for UK clinicians
Free bedside scoring tools in one searchable place, so you can move straight from a NEWS2 check to frailty, delirium, pneumonia or VTE scoring without hunting through unrelated pages. Every calculator has its own page with the full scoring table, interpretation bands and sources.
Search by condition, use case, or score name
Optimised for bedside and mobile use
Available alongside the logged-in ClinicalAssist workflow
Logged-in users can jump back to their assessment after using a calculator.
Find the exact calculator you need
Search by score name, syndrome, or workflow. Each calculator has a focused page with interpretation guidance.
Deterioration
NEWS2
National Early Warning Score 2 for identifying acute physiological deterioration in adults.
Infection & Respiratory
Wells
Risk stratification for deep vein thrombosis and pulmonary embolism using established Wells criteria.
Infection & Respiratory
qSOFA
Quick bedside sepsis screening using respiratory rate, blood pressure, and altered mentation.
Infection & Respiratory
CURB-65
Severity scoring for community-acquired pneumonia with disposition support at the point of care.
Deterioration
GCS
Level-of-consciousness scoring across eye, verbal and motor responses, with the NICE head injury severity bands.
Cardiac & Vascular
CHA₂DS₂-VASc
Stroke risk stratification in atrial fibrillation, with the NICE NG196 anticoagulation thresholds applied to the score.
Cognition & Frailty
4AT
Rapid delirium and cognitive screening for acutely unwell adults across hospital and community settings.
Cognition & Frailty
6CIT
Brief cognitive impairment screening using the Kingshill 6-item cognitive impairment test.
Cognition & Frailty
Rockwood
Clinical Frailty Scale scoring to support frailty recognition, risk stratification, and care planning.
Function & Rehabilitation
Barthel
Activities of daily living scoring to quantify functional dependence and rehabilitation needs.
Score at the bedside, then carry it into the assessment
These calculators are free to use without an account. Inside ClinicalAssist the same scores feed a structured assessment with differentials, investigations, care pathways and exportable documentation for NHS clinicians.