Health and Safety Risk Calculator

This health and safety risk calculator helps you assess potential hazards in your workplace or environment. By inputting relevant factors, you can determine the risk level and take appropriate mitigation measures.

How to Use This Calculator

To use the health and safety risk calculator:

Enter the number of potential hazards in your environment
Select the severity level of each hazard (Low, Medium, High)
Input the likelihood of each hazard occurring (Low, Medium, High)
Click "Calculate" to determine the overall risk level
Review the results and take appropriate safety measures

The calculator uses a risk matrix approach to combine severity and likelihood to determine the overall risk level.

Formula Used

The health and safety risk is calculated using the following formula:

Risk Level = (Severity × Likelihood) / 100

Where:

Severity is rated on a scale of 1-5 (1=Low, 3=Medium, 5=High)
Likelihood is rated on a scale of 1-5 (1=Low, 3=Medium, 5=High)
The result is divided by 100 to normalize the risk level

This formula provides a simple but effective way to assess risk levels. For more complex scenarios, additional factors may need to be considered.

Worked Example

Let's calculate the risk level for a workplace with chemical exposure:

Hazard	Severity	Likelihood	Risk Level
Chemical Spill	4 (Medium)	3 (Medium)	1.2 (Medium Risk)
Equipment Failure	3 (Medium)	2 (Low)	0.6 (Low Risk)
Slip Hazard	2 (Low)	4 (Medium)	0.8 (Low Risk)

The overall risk level for this workplace would be calculated by averaging the individual risk levels.

Interpreting Results

Interpret the risk levels as follows:

Risk Level ≤ 0.5: Low risk - Minimal safety measures needed
Risk Level 0.6-1.5: Medium risk - Implement standard safety protocols
Risk Level ≥ 1.6: High risk - Implement comprehensive safety measures and emergency plans

For high-risk environments, consider additional safety training, personal protective equipment, and regular safety inspections.

Frequently Asked Questions

What factors does this calculator consider?

The calculator considers hazard severity and likelihood. For more comprehensive risk assessments, additional factors like exposure duration and control measures may be needed.

How often should I reassess the risk?

You should reassess the risk at least annually or whenever there are significant changes in the workplace environment or procedures.

Can this calculator replace professional safety assessments?

This calculator provides a basic risk assessment. For critical environments, consult with a certified safety professional for a comprehensive evaluation.