risk · Free · Open Source · MIT

Safety Score Calculator

Composite HSE performance KPI. Based on ISO 45001 Clause 9.1 (monitoring & measurement). Results shown with the full formula so you can verify. Zero signup, zero tracking, zero data sent to a server — all calculation is client-side.

Inputs
Composite safety score
81.1
grade B
Raw JSON result
{
  "score": 81.1,
  "grade": "B",
  "components": {
    "trir": 70,
    "ltifr": 80,
    "nearMissReporting": 80,
    "trainingComplete": 92,
    "auditCompliance": 88
  }
}
Overview

About the Safety Score Calculator

Composite safety performance score (0-100) weighting TRIR, LTIFR, near-miss reporting ratio, training completion, and audit compliance. A single dashboard number for board reporting. Not a regulatory requirement — a useful rollup.

Formula
Weighted average across TRIR, LTIFR, near-miss, training, audit
Regulation

ISO 45001 Clause 9.1 (monitoring & measurement)

How to use

Step-by-step: using the Safety Score Calculator

  1. 1
    Enter any subset of inputs. The composite weights what you provide.
Who uses this calculator

Used by safety professionals worldwide

Regulation citations

Authoritative sources

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LTIFR Calculator
ISO/ILO Lost Time Injury Frequency Rate

Embed this calculator

Free for any website, blog, or course — MIT / CC BY 4.0. Attribution stays visible.

<script src="https://tools.smartqhse.com/embed.js" data-calc="safety-score-calculator"></script>
Optional attributes: data-theme, data-width, data-min-height. Works on any CMS (WordPress, Webflow, Ghost, plain HTML).
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