What this TRIR calculator does
This calculator finds your TRIR. You enter your recordable incidents and hours worked. The tool then scales them to a standard base. So you see a rate you can compare. It uses the standard two hundred thousand hour base. The result is a simple number.
What TRIR is
TRIR is the total recordable incident rate. It is a core safety metric at work. It counts injuries per one hundred workers a year. So a lower TRIR means a safer site. It lets firms compare safety fairly. Regulators and clients often ask for it.
How it is calculated
The tool multiplies your incidents by two hundred thousand. It then divides by your hours worked. So that base equals one hundred full-time workers. The result is your TRIR. The calculator takes care of this for you.
What the result tells you
The result shows your TRIR. Five incidents over two hundred fifty thousand hours give a TRIR of four. More incidents raise it. More hours lower it. So it shows your injury rate per hundred workers. It is an easy number to read.
The recordable incidents
Your recordable incidents are the logged injuries. They are cases that meet the rules. More incidents lift the rate. So this number drives the result. Count only recordable cases. Use the same period as your hours. Enter your recordable incidents.
The hours worked
Your hours worked are all hours by staff. They cover the whole team and period. More hours lower the rate. So this number is the base. Add up every worker's hours. Match it to the incident period. Enter your hours worked.
What counts as recordable
A recordable case is a work injury beyond first aid. It includes lost time, restricted duty, or treatment. So a minor scratch may not count. Follow your local safety rules to decide. Be consistent across the year. Log each case the same way.
What a good TRIR looks like
A lower TRIR is a better score. Many industries aim below three. A TRIR near zero is the goal. So compare yours to your sector. The average shifts by trade. Use it to set a target.
Why TRIR matters
TRIR is a safety yardstick. It guides where to focus effort. So a rising rate flags a problem. Clients may check it before a contract. It can affect insurance costs too. It builds trust with workers. A low rate shows a strong culture.
How to use it
Enter your recordable incidents first. Add the total hours worked. Read the TRIR as a number. Then compare it to last year. Track the trend over time. Set a goal to lower it. Use it to drive safety gains.
A final tip
Use this to track your safety record over time. Remember one bad month can spike it. Use a full year for a fair view. Pair it with near-miss data. The trend matters more than one figure. Do not chase the number alone. A safe site needs real action.