4 validated tools

Trauma Calculators

PCL-5, PC-PTSD-5, LEC-5, and the ACE questionnaire — the standard battery for trauma-informed practice, EMDR intake, and forensic, refugee, and veteran mental health work. Crisis indicators are flagged on submit.

When to use: Use to screen for PTSD, document trauma history for a treatment plan, or quantify symptom change across an EMDR or trauma-focused CBT episode of care.

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PCL-5
PTSD Checklist for DSM-5
A 20-item self-report measure assessing the 20 DSM-5 symptoms of PTSD 20 items~10 min
PC-PTSD-5
Primary Care PTSD Screen for DSM-5
A 5-item screening tool designed for use in primary care to identify individuals who may benefit from further PTSD evaluation 5 items~2 min
LEC-5
Life Events Checklist for DSM-5
A 17-item screening measure to identify potentially traumatic events in a respondent's lifetime. Companion measure to the PCL-5. 17 items~5 min
ACE
Adverse Childhood Experiences Questionnaire
10-item screening for adverse childhood experiences (before age 18) 10 items~5 min

All calculators use published scoring guidelines. Scoring happens in your browser — no data is stored or transmitted on the public calculator pages. These tools are clinical scoring calculators for professional reference and do not provide clinical diagnoses.

Use of these tools is subject to our Terms of Service.

Other clinical domains

33 validated assessments across 8 domains. Pick the one that matches your presenting concern.

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Last updated: 25 April 2026