// multi-utility computation suite · offline · instant · precise
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eng.risk-matrix-score Calculator
Calculates a risk priority number (RPN = severity × probability × detectability) and plots the risk matrix for ranked hazard evaluation. Risk matrices are widely used in FMEA and safety management — the RPN threshold for required action is typically 100–120 on a 10×10×10 scale.
Inputs
Likelihood
Reference formula or conversion factor shown for context.
Severity
Reference formula or conversion factor shown for context.
Detectability
Reference formula or conversion factor shown for context.
Results
Risk Priority Number (RPN)
Overall risk level based on the computed score or classification. Higher risk may call for mitigating actions or additional review.
risk level (L×S)
The measured or computed level on the applicable scale.
likelihood × severity
Reference formula or conversion factor shown for context.
risk level criteria
The measured or computed level on the applicable scale.