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Safety Performance Calculator
Severity Rate Calculator
Measure the severity of workplace injuries using lost workdays and total employee hours worked.
Severity Rate Result
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Waiting for input
Enter lost workdays and total hours worked to calculate the severity rate.
Formula
Severity Rate = (Lost Workdays × 200,000) ÷ Total Hours Worked
The severity rate shows the number of lost workdays per 200,000 employee hours worked.
Important
Severity rate thresholds can vary by company, industry and reporting standard. Use the result together with incident details and internal performance targets.