Health and Safety Calculator & Formula

Health and Safety Calculator




















The Health and Safety Calculator is designed to evaluate workplace ergonomics, risk factors, and health metrics. It provides actionable insights to improve your workspace setup, reduce potential hazards, and enhance overall well-being.

Evaluation Criteria

The calculator evaluates the following areas:

  • Ergonomics: Analyzes your workspace setup for optimal comfort and safety:

    • Chair Height: Recommended range is 40-50 cm to support proper posture.
    • Desk Height: Ideal range is 70-80 cm for comfortable arm positioning.
    • Monitor Distance: Should be 50-70 cm to prevent eye strain.
    • Arm Position: Must be 90° for minimal muscle fatigue.
  • Risk Assessment: Calculates risk levels based on incident probability and severity:

    • Low Risk: Score 1-3
    • Medium Risk: Score 4-7
    • High Risk: Score 8-10
  • Health Status: Gauges overall well-being using fatigue, stress, and productivity inputs:

    • Good Health: Score >6
    • Moderate Health: Score 3-6
    • Poor Health: Score <3

Real-Life Example

Consider a user entering the following data:

  • Chair Height: 45 cm
  • Desk Height: 85 cm
  • Monitor Distance: 40 cm
  • Arm Position: 100°
  • Incident Probability: 4
  • Incident Severity: 3
  • Fatigue Level: 6
  • Stress Level: 7
  • Productivity Level: 5

Step 1: Ergonomics: Desk height and monitor distance need adjustment.

Step 2: Risk Score:

Risk Score = Probability × Severity = 4 × 3 = 12 (High Risk)

Step 3: Health Score:

Health Score = ( 10 – Fatigue + Productivity – Stress ) 3 = ( 10 – 6 + 5 – 7 ) 3 = 0.67 (Poor Health)

The results highlight adjustments needed to improve ergonomics, reduce risk, and enhance health.

Benchmark Indicators

Use these benchmarks to compare your scores:

Ergonomics: Chair height: 40-50 cm, desk height: 70-80 cm, monitor distance: 50-70 cm, arm position: 90°.

Risk Levels: Low risk (1-3), Medium risk (4-7), High risk (8-10).

Health Status: Good health (>6), Moderate health (3-6), Poor health (<3).

Frequently Asked Questions

What does this calculator evaluate?

It evaluates workplace ergonomics, risk levels, and health status to ensure a safer and healthier environment.

What are the ideal chair and desk heights?

The ideal chair height is 40-50 cm, and the ideal desk height is 70-80 cm, depending on individual preferences.

How can I improve my ergonomics?

Ensure your chair and desk are at the proper height, keep your monitor at eye level, and maintain a 90° arm position.

What is the importance of risk assessment?

Risk assessment identifies potential hazards and allows for proactive measures to minimize workplace incidents. A risk score of 1-3 indicates low risk, 4-7 indicates medium risk, and 8-10 indicates high risk.

How can I reduce workplace fatigue?

Take regular breaks, ensure proper posture, stay hydrated, and manage stress effectively.

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