Enter the total number of incidents and the total number of hours worked into the calculator. The calculator will display your TRIR.
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TRIR Formula
The following equation can be used to calculate the total recorded incident rate of your business.
TRIR = # RI * 200,000 / HW
- Where TRIR is the total recorded incident rate
- RI is the total OSHA incidents recorded
- HW is the total hours worked
TRIR Definition
TRIR is short for the total recorded incident rate and is a measure of the number of “incidents” per hours worked.
TRIR Example
How to calculate TRIR?
- First, determine the total incidents.
Incidents are measured based on the outlines of OSHA.
- Next, determine the total hours worked.
Calculate the total hours worked during the same time period.
- Finally, calculate the TRIR.
Calculate the TRIR using the formula above.
