Experience Rate Calculators
The calculators use actual data for 2025 that is preliminary only. The official values will be calculated in the October final rates process. You can view your preliminary 2025 experience rating letter, which you can access through your online services account.
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Welcome to the Experience Rating Calculators.
This application lets you calculate any given year's experience rating. It also lets you see the impact that changes to payroll or claim costs have on that year's experience rating. It will even show you what a firm's new experience rating and premium would be if its classification changes for a given assessment year (AY).
PLEASE BE READY TO ENTER YOUR FIRM'S PAYROLL FIGURES AND CLAIM COSTS THAT ARE USED FOR EXPERIENCE RATING

More features are available on our secured Experience Rating Calculators. Not only do these calculators automatically load the payroll and claim figures needed to get you started, they also allow you to see the impact that changes to payroll or claim costs have on multiple years. You will also be able to forecast your experience rating for future years.

Claim costs are a component of experience rating calculations. On occasion, these costs are adjusted and can affect the experience rate for one or more years. This, in turn will affect your premiums for those years. For example, if your firm is expecting an adjustment to a claim that occurred in 2007, the calculator will show you the impact on your firm’s experience rate and premiums for 2009, 2010 and 2011.

The forecasting calculator allows you to view the growth or decline of your firm’s experience rating into future years. This helps to show the effect of a change in payroll or claim costs in the years to come. For example, if you anticipate an increase in your firm's payroll, you can input this data to see what kind of net rates you will encounter. Alternatively, if you were to reduce your claim costs, you will see what kind of effect this will have over a longer period.

Access to these calculators requires signing up for secured online services.


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