How do I use this calculator?

Select the hazard severity, exposure frequency, and possibility to avoid. The tool calculates a risk score and shows the required risk reduction level.

Risk Assessment Calculator

This page calculates the Hazard Rating Number (HNR) based on a common methodology for Machinery Directive 2006/42/EC risk assessments.

Formula: HNR = LO x FE x DPH x NP

LO (Likelihood of Occurrence)

FE (Frequency of Exposure)

NP (Number of Persons at risk)

DPH (Degree of Possible Harm)

Hazard Rating Number (HNR)

Risk Status

Frequently Asked Questions

What does the Risk Assessment Calculator do?

It helps evaluate machinery risk levels per EU Machinery Directive 2006/42/EC by scoring severity, exposure, and avoidability to determine risk priority.

How do I use it?

Select hazard severity, exposure frequency, and avoidability. The tool calculates a risk score and shows the required risk reduction level.

Is it free?

Yes. This Kod5 tool runs in the browser, requires no installation, and is free to use.