Home
Back
LTIR Formula:
| From: | To: |
The Lost Time Incident Rate (LTIR) is a safety metric that shows the number of lost time injuries occurring in a workplace per 200,000 hours worked. It's a standardized way to compare safety performance across different organizations or time periods.
The calculator uses the LTIR formula:
Where:
Explanation: The formula standardizes the incident rate to a common baseline of 200,000 hours, allowing for meaningful comparisons regardless of company size or work hours.
Details: LTIR is a key safety performance indicator used to assess workplace safety, identify trends, and measure the effectiveness of safety programs. It helps organizations benchmark their safety performance against industry standards.
Tips: Enter the number of lost time incidents and total hours worked during the measurement period. Both values must be positive numbers (hours must be greater than 0).
Q1: What counts as a lost time incident?
A: A lost time incident is any work-related injury or illness that results in an employee missing work beyond the day of the incident.
Q2: Why is 200,000 hours used as the baseline?
A: 200,000 hours represents 100 employees working 40 hours per week for 50 weeks per year, providing a standard for comparison.
Q3: What is a good LTIR?
A: Lower is better. Industry averages vary, but many organizations aim for LTIR below 1.0. Compare with industry benchmarks for meaningful assessment.
Q4: How often should LTIR be calculated?
A: Typically calculated annually, but can be calculated quarterly or monthly for more frequent monitoring.
Q5: What's the difference between LTIR and TRIR?
A: TRIR (Total Recordable Incident Rate) includes all recordable incidents, while LTIR only includes those resulting in lost work time.