Self-contained · Open source · GitEHR compatible

Clinical Calculators

Each tool is a single HTML file — works directly in your browser, offline, or embedded inside GitEHR as a first-class patient record entry.

FeverPAIN
Clinical Score

Infectious Disease

5-item validated score guiding antibiotic prescribing in acute sore throat. Validated for adults and children aged 3+.

5 items · <1 min Open →

ASRS-v1.1
Official 6Q form

Psychiatry

The six-question screener is free to use with attribution. This site links to the rights holder's authorised form rather than copying its questions.

6 questions · <2 min Official form →

BMI Calculator

Anthropometry

Body Mass Index. Metric and imperial. WHO 2023 classification.

Coming soon

HbA1c Converter

Endocrinology

Convert between % (NGSP) and mmol/mol (IFCC) with clinical interpretation.

Coming soon

About these tools

Each calculator is a single, self-contained HTML file with no build step or server required. The calculators can be used:

Scoring logic is implemented in plain JavaScript, validated against the authoritative clinical references in clinical-source-references/.