OpiCalc Logo

OpiCalc

989 Clinical Tools

Logo
OpiCalc
ACE-III (Cognitive Examination)AIMS (Tardive Dyskinesia)ASRM (Altman Mania Scale)ASRS-v1.1 (Adult ADHD Screen)ASSIST (WHO Substance Screen)AUDIT (Alcohol Use Disorders)AUDIT-C (Alcohol Screen)BARS (Akathisia)BDI-II (Beck Depression)BPRS (Brief Psychiatric Rating)BSDS (Bipolar Spectrum Screen)C-SSRS (Suicide Severity)CAGE QuestionnaireCAPS-5 (PTSD Clinical Interview)CDR (Dementia Staging)CDSS (Schizophrenia Depression)CIWA-Ar (Alcohol Withdrawal)COWS (Opioid Withdrawal)Clozapine Safety (REMS)DAST-10 (Drug Abuse Screen)DES-II (Dissociation Scale)EDE-Q (Eating Disorder Severity)EPDS (Postnatal Depression)Epworth Sleepiness ScaleFAST (Alzheimer's Staging)Fagerstrom (Nicotine Dependence)GAD-2 (Anxiety Screen)GAD-7 (Anxiety Severity)GAF (Global Functioning)HAM-D 17 (Hamilton Depression)HCL-32 (Hypomania Checklist)IES-R (Trauma Impact)ISI (Insomnia Severity)LSAS (Social Anxiety)MADRS (Depression Rating)MARSIPAN (Medical Risk in AN)MDQ (Bipolar Screen)MSI-BPD (Borderline PD Screen)Manchester Self-Harm RuleMetabolic Syndrome (Psych)MoCA (Cognitive Assessment)OCI-R (OCD Screen)PANSS (Schizophrenia Severity)PCL-5 (PTSD Checklist DSM-5)PHQ Panic ModulePHQ-2 (Depression Screen)PHQ-9 (Depression Severity)PSP (Personal/Social Performance)PSQI (Pittsburgh Sleep Quality)QTc Prolongation (Psychiatry)SAD PERSONS ScaleSAFE-T ProtocolSBQ-R (Suicidal Behaviors)SCOFF (Eating Disorder Screen)SPIN (Social Phobia)Simpson-Angus Scale (EPS)Y-BOCS (OCD Severity)YMRS (Mania Severity)
OpiCalc Logo

OpiCalc

Open-access clinical infrastructure. Built to the standard every clinician deserves — fast, private, and free.

Zero data stored
Always free
Our mission & transparency

Get in Touch

Tool request, clinical feedback, or partnership inquiry — we read everything.

WhatsApp feedback
Email us
Partnership inquiry

© 2026 OpiCalc • Calculated Care

ProtocolsAboutPrivacyTerms

GAF (Global Functioning)

GAF Scale: Global Assessment of Functioning. For many years, this was the standard rating for the severity of psychiatric illness and functional impairment.

Functional Rating

50

Danger (1)Superior (100)

Related Psychiatry Tools

Epworth Sleepiness Scale
ISI
PSQI
International Restless Legs Scale
RLS Diagnostic Criteria
MoCA
ACE-III
Behavior Rating Inventory of Executive Function — Adult
CDR
FAST
Have feedback about this calculator?Let us know.