Occupational Safety, Health, and Environmental (OSHE) BlogOccupational Safety, Health, and Environmental (OSHE) BlogLTIFR Calculator
Lost-Time Injury Frequency Rate
Calculate Lost-Time Injury Frequency Rate (LTIFR) to measure workplace safety performance and track injury trends.What is LTIFR?
Lost-Time Injury Frequency Rate (LTIFR) is a key safety metric that measures the number of lost-time injuries per 1,000,000 hours worked.
It helps organizations track safety performance, identify trends, and benchmark against industry standards.
LTIFR Formula
LTIFR =
(Number of Lost-Time Injuries × 1,000,000)
Total Hours Worked
Industry Benchmarks
Excellent< 1.0
Good1.0 - 2.0
Average2.0 - 4.0
Needs Improvement> 4.0
Important Notes
Lost-time injuries are those that result in time away from work beyond the day of the incident
Use consistent time periods for accurate trend analysis
Compare against your own historical data and industry benchmarks
Consider seasonal variations and operational changes