Calculator Categories
Categories answer one question: what is being calculated? Each page gathers every tool on a subject — kidney function, cardiac risk, fluid balance, and the rest — explains the domain in its own words, and links to the calculators it contains.
Prefer to start from the ward or clinic you work in? The specialties pages group the same tools by clinical area, and the full alphabetical list puts everything in one place. The About page describes how entries are written and sourced.
Anthropometry
Body composition, weight, and adiposity measurements used for dosing and nutrition assessment.
3 calculators
Cardiology
Cardiac risk scores, anticoagulation tools, and haemodynamic calculations for heart disease.
10 calculators
Emergency
Rapid scoring and decision rules for trauma, sepsis, chest pain, and acute illness.
17 calculators
Endocrinology
Glucose, insulin resistance, thyroid, and steroid equivalence calculations.
12 calculators
Gastroenterology
Liver severity, fibrosis, and gastrointestinal bleeding scores.
10 calculators
Geriatrics
Comorbidity and functional status measures used in the care of older adults.
1 calculator
Infectious Disease
Pneumonia severity and streptococcal pharyngitis scores that support antibiotic stewardship.
1 calculator
Internal Medicine
Acid-base, fluid and electrolyte, weight, and organ function calculations.
21 calculators
Laboratory
Interpretation tools that turn laboratory values into clinically meaningful estimates.
8 calculators
Mental Health
Depression, anxiety, sleepiness, and sleep apnoea screening questionnaires.
2 calculators
Nephrology
Kidney filtration estimates, dialysis adequacy, tubular tests, and injury staging.
21 calculators
Neurology
Stroke, haemorrhage, TIA, and head injury scoring systems.
8 calculators
Obstetrics & Gynecology
Pregnancy dating, fetal assessment, pre-eclampsia screening, and perinatal mood tools.
11 calculators
Oncology
Performance status and functional capacity grading used across oncology practice.
1 calculator
Pediatrics
Age-specific scoring for newborns, children, and adolescents.
10 calculators
Pulmonology
Oxygenation indices, gas exchange ratios, and composite COPD prognosis tools.
5 calculators
Sleep Medicine
Daytime sleepiness and obstructive sleep apnoea screening instruments.
2 calculators