Workers Comp Disability Rating Calculator

Workers Comp Disability Rating Calculator
California Workers’ Compensation · PDRS · AMA Guides 5th Ed. · Post-SB 899
⚖️ Workers’ Compensation

Workers Comp Disability
Rating Calculator

Calculate your permanent disability rating based on impairment, occupation, age, and return-to-work status under California PDRS.

⚠️ Disclaimer: This calculator is intended for informational and educational purposes only. It does not constitute an official workers’ compensation determination. All final ratings require a Qualified Medical Evaluator (QME) or Agreed Medical Evaluator (AME) and are subject to review by the Workers’ Compensation Appeals Board (WCAB). Consult a licensed workers’ compensation attorney for your specific claim.

Workers Comp Disability Rating Calculator

Enter your impairment and work details below to calculate your PD rating

%
From AMA Guides 5th Edition or QME/AME report (0 – 100%)
Gross weekly wages at time of injury
Used for PDRS age adjustment
FEC (Future Earning Capacity) modifier based on job physical demand
Pre-existing / non-work condition %
Combined PD Rating
Based on California PDRS
▸ Step-by-Step Calculation Breakdown
Note: Weekly PD benefit rates follow California LC §4659. Minimum $160/wk · Maximum $290/wk (post-2013 injuries). Life pension applies when PD ≥ 70%. These figures are estimates — actual benefits depend on your specific claim facts and WCAB determination.

📋 FEC Occupational Group & Age Adjustment Reference

FEC GroupOccupational CategoryModifierExample Jobs
Group 1Clerical / Sedentary× 0.9Data entry, receptionist, bookkeeper
Group 2Light Work× 1.0Retail clerk, teacher, security guard
Group 3Medium Work× 1.1Mechanic, plumber, delivery driver
Group 4Heavy Work× 1.2Carpenter, electrician, landscaper
Group 5Very Heavy / Hazardous× 1.4Construction, mining, firefighter
Age at InjuryAdjustmentAge at InjuryAdjustment
≤ 21− 4%40 – 44+ 1%
22 – 26− 3%45 – 49+ 2%
27 – 31− 2%50 – 54+ 3%
32 – 35− 1%55 – 59+ 4%
36 – 390%60 – 64+ 5%
65++ 6%

I

Workers Comp Disability Rating Calculator — Full Guide
California PDRS · AMA Guides 5th Ed. · Post-SB 899 · Workers’ Compensation Reference Guide
📋 Complete Documentation

Workers Comp Disability
Rating Calculator

A complete guide covering every input, formula, adjustment factor, disability type, and state rule used by the calculator — so you can run accurate estimates with confidence.

⚖️ California PDRS 🏥 AMA Guides 5th Ed. 📊 Multi-State Support 🔢 PPD · PTD · TTD · TPD
1

Introduction

Overview & purpose of the calculator

The Workers Comp Disability Rating Calculator is an easy-to-use, web-based tool that quickly estimates workplace compensation benefits for injured workers, employers, attorneys, and HR professionals. Instead of manually looking up rating tables, applying multipliers, or performing complex wage calculations — this calculator handles it instantly, producing an itemized breakdown of every factor contributing to the final benefit figure.

This guide walks you through every part of the calculator: what each field means, how to fill it in, how results are calculated, and how to interpret them. By the end you will be able to run accurate estimates across multiple U.S. states for any disability type.

⚠️

Legal Disclaimer: This calculator is intended for informational and educational purposes only. It does not constitute an official workers’ compensation determination. All final ratings require a Qualified Medical Evaluator (QME) or Agreed Medical Evaluator (AME) and are subject to review by your state’s Workers’ Compensation Appeals Board. Always consult a licensed attorney before making claim decisions.

2

What the Calculator Does

Inputs, outputs & core purpose

The calculator takes eight inputs and produces three core outputs. Here is a full summary of each:

Eight Inputs

InputWhat It Represents
State / JurisdictionApplies a state-specific benefit multiplier to the calculation
Disability TypeDetermines which formula is used (PPD, PTD, TPD, or TTD)
Impairment Rating (%)Doctor-assigned percentage reflecting severity of injury
Average Weekly WagePre-injury earnings per week — the base for benefit calculations
Compensation Rate (%)The percentage of wages replaced (standard is 66.67%)
Eligible WeeksHow many weeks the benefit period lasts
Age at InjuryApplies a small actuarial age-adjustment factor to the rating
Occupation CategoryApplies a job-demand multiplier (heavy labour gets more)

Three Core Outputs

OutputWhat It Shows
Total Estimated BenefitThe full dollar amount you may receive over the entire benefit period
Weekly BenefitHow much you receive per week during the benefit period
Adjusted Impairment RatingYour impairment % after all factors (age, occupation, state) are applied
3

Step-by-Step: How to Use the Calculator

Follow these eight steps in order for an accurate estimate

  • 1

    Select Your State / Jurisdiction

    Open the first dropdown and choose the state where your injury occurred. Options include California, Florida, Texas, New York, General / Federal, and Other State. Once selected, a blue information panel appears showing that state’s compensation multiplier, maximum weekly benefit, and key rules that affect your calculation.

  • 2

    Choose Your Disability Type

    Click one of the four pill-style buttons — PPD PTD TPD TTD. Each type uses a different calculation formula. PPD is most common; PTD is for those who can never work again; TTD and TPD are for temporary conditions during recovery.

  • 3

    Enter Your Impairment Rating (%)

    Type the disability percentage assigned by your treating physician or independent medical evaluator — a number from 0 to 100. If your doctor rated your injury at 40%, enter 40. If unsure, check your medical evaluation report or ask your claims manager.

  • 4

    Enter Your Average Weekly Wage (AWW)

    Type your average weekly earnings before the injury. This is usually calculated from your last 52 weeks of payroll records. For example, if you earned $46,800 per year, your AWW is $900. This figure is the foundation of your benefit calculation — higher wages lead to higher weekly benefits.

  • 5

    Enter the Compensation Rate (%)

    This field defaults to 66.67% — the standard two-thirds wage replacement used by most states. Leave it at 66.67% unless your state or employer policy specifies a different rate. Some states cap benefits at a fixed dollar amount, but this field still drives the base weekly calculation.

  • 6

    Enter Eligible Weeks

    Type the number of weeks your benefit period lasts. For PPD claims this is often set by your state’s workers’ comp statute. For TTD claims it may be based on expected recovery time. Common values range from 52 to 500 weeks depending on severity and state rules.

  • 7

    Enter Your Age at Injury

    Type your age at the time of the workplace injury. The calculator applies a small actuarial adjustment: workers under 25 receive a +2.5% upward adjustment; ages 26–35 receive +1%; ages 36–50 have no adjustment; ages 51–60 receive a −1% reduction; and those over 60 receive a −2.5% reduction.

  • 8

    Select Occupation Category

    Choose the option that best describes your job. Heavy Manual Labour applies a ×1.10 multiplier; Skilled Trade uses ×1.05; General Worker uses ×1.00; Office / Clerical uses ×0.95; and Sedentary Work uses ×0.90. This factor reflects the physical demand of your role and adjusts your impairment rating accordingly.

4

Understanding Your Results

How to read the hero summary, stats boxes, breakdown table & bar chart

The Hero Summary

At the top of your results panel is your Total Estimated Benefit — the total dollar amount you may receive over your entire benefit period. Directly below it, an icon confirms both the disability type and state chosen so you can quickly verify the calculation context.

Three Statistics Boxes

Stat BoxHow It Is Calculated
Weekly BenefitAWW × Compensation Rate × Adjusted Rating (for PPD/TPD) or AWW × Compensation Rate × State Multiplier (for PTD/TTD)
Adjusted RatingImpairment % after occupation factor, age factor, and state multiplier are all applied — used to calculate weekly benefit
Eligible WeeksVerifies the number of weeks entered; for PTD and TTD this determines duration. Multiply Weekly Benefit × Eligible Weeks = Total Benefit

Breakdown Table

A full step-by-step breakdown table details each calculation stage from your raw Average Weekly Wage all the way to your Total Estimated Benefit. Each row shows what was applied and its effect. The final Total Estimated Benefit row is highlighted in green. Use this table to verify each step or share a clear overview with an attorney or claims agent.

RowWhat It Shows
Average Weekly Wage (AWW)Your pre-injury earnings as entered
Compensation RateWage replacement percentage (default 66.67%)
Base Weekly BenefitAWW × Compensation Rate
Impairment RatingDoctor-assigned percentage
Occupation FactorJob-demand multiplier for your category
Age FactorActuarial adjustment based on age at injury
State MultiplierState-specific benefits adjustment
Adjusted RatingImpairment % after all three factors applied
Weekly BenefitFinal weekly payment figure
Eligible WeeksNumber of benefit weeks entered
Total Estimated BenefitWeekly Benefit × Eligible Weeks = your estimate

The Bar Chart

Three horizontal bars clearly show your Average Weekly Wage, Base Weekly Benefit, and Adjusted Weekly Benefit in comparison. This visual makes it simple to see how much of your original wage has been replaced. If the benefit bar is shorter, this reflects impairment ratings or adjustment factors that reduce the payout.

5

Disability Types Explained

PPD · PTD · TTD · TPD — formulas and when each applies

PPD — Permanent Partial Disability Most Common

The worker has suffered permanent impairment but retains some ability to work, either in a modified role or reduced capacity.

PPD Calculation Formula Adjusted Rating = Impairment % × Occupation Factor × Age Factor × State Multiplier Weekly Benefit = AWW × (Comp Rate / 100) × (Adjusted Rating / 100) Total Benefit = Weekly Benefit × Eligible Weeks
📊 Example

40% impairment · $900 AWW · 66.67% comp rate · California · Skilled Trade (×1.05) · Age 35 (×1.01) · 100 weeks

Adjusted Rating = 40 × 1.05 × 1.01 × 1.05 = 44.5%

Weekly Benefit = $900 × 0.6667 × 0.445 = ~$267/wk

Total Benefit = $267 × 100 = ~$26,700

PTD — Permanent Total Disability

The worker is permanently and completely unable to return to any form of employment. Benefits tend to be higher and in many states may continue for life.

PTD Calculation Formula Weekly Benefit = AWW × (Compensation Rate / 100) × State Multiplier Total Benefit = Weekly Benefit × Eligible Weeks
ℹ️

The impairment rating is recorded for documentation only. The benefit calculation uses 100% as the reference rate, since the worker is fully unable to work.

TTD — Temporary Total Disability

The worker is completely unable to return to work during recovery. Benefits terminate upon reaching Maximum Medical Improvement (MMI). TTD offers full wage replacement; the Eligible Weeks field should reflect the expected recovery duration.

TTD Calculation Formula Weekly Benefit = AWW × (Compensation Rate / 100) × State Multiplier Total Benefit = Weekly Benefit × Eligible Weeks

TPD — Temporary Partial Disability

The worker can perform light or modified duties during recovery while earning less than their pre-injury wage. TPD covers part of the wage differential.

TPD Calculation Formula Adjusted Rating = Impairment % × Occupation Factor × Age Factor × State Multiplier Weekly Benefit = AWW × (Comp Rate / 100) × (Adjusted Rating / 100) Total Benefit = Weekly Benefit × Eligible Weeks
6

State-Specific Rules & Jurisdictions

Multipliers, caps, and key rules per state

StateMultiplierMax Weekly BenefitKey Rules
General / Federal×1.00Varies by caseStandard 66.67% of AWW formula applies
California×1.05~$1,619/wkPDRS schedule and Future Earning Capacity (FEC) may further adjust the rating
Florida×1.00VariesTTD capped at 104 weeks; Impairment Income Benefits (IIBs) activated post-MMI; employer opt-out allowed
Texas×0.95VariesAMA Guides used as reference; employer opt-out permitted; TWCC oversight
New York×1.10Varies (indexed)Schedule Loss of Use (SLU) awards regularly issued for extremity injuries; awards may be indexed annually
Other States×1.00Per stateApplies a neutral multiplier — treat results as a rough baseline and confirm with your state’s workers’ comp board
⚠️

Important: State multipliers in this calculator are approximate figures intended as estimates only, reflecting typical variations between states in benefit generosity. For legally binding figures, always consult your state’s workers’ comp statute or a licensed attorney.

How to Read the State Info Panel

When you select your state in the calculator, a blue information panel appears immediately below the dropdown. It provides a concise summary of that state’s rules: maximum weekly benefit amounts and any special provisions such as Florida’s post-MMI Impairment Income Benefits or New York’s Schedule Loss of Use awards. Read this panel carefully before entering your other values — the information there may influence which disability type or eligible weeks you enter.

7

Understanding Adjustment Factors

Occupation factor · Age factor · State multiplier

Occupation Factor

This factor acknowledges that the same impairment has a greater impact on a construction worker than an office clerk. A 30% back injury will impair heavy lifting far more than desk work.

×1.10
Heavy Manual Labour
Highest multiplier
×1.05
Skilled Trade
Uplift for physical skill work
×1.00
General Worker
Neutral baseline
×0.95
Office / Clerical
Slight decrease
×0.90
Sedentary Work
Lowest multiplier

Age Factor

This small adjustment represents how long an injury will affect working years. A 24-year-old suffering partial function loss in their dominant hand will likely experience much longer effects than someone aged 62 facing a similar impairment.

Age GroupFactorRationale
Under 25×1.025 +2.5%Longer working life affected; greater career impact
26 – 35×1.010 +1%Prime earning years affected; slight uplift
36 – 50×1.000 NeutralBaseline working age — no adjustment
51 – 60×0.990 −1%Fewer working years remaining; slight reduction
Over 60×0.975 −2.5%Closer to retirement; moderate reduction

State Multiplier

When applied, this factor reflects how generous each state’s workers’ compensation system is relative to the federal baseline. New York stands out with historically higher benefit levels (×1.10), while Texas operates a lower-tier system (×0.95) that also permits employer opt-out.

8

Tips for Accurate Results

Best practices to get the most reliable estimate

  • Always rely on clinically determined impairment values from a QME or AME report — never estimate from recall.
  • Select your disability type before filling in other fields — selecting it changes the formula applied to all other inputs.
  • Leave Compensation Rate at 66.67% unless you have written documentation from your state board showing a different rate applies.
  • Check Eligible Weeks against your state’s published compensation schedule for your specific injury type and severity.
  • If your impairment rating is contested, run the calculator twice — once with a low estimate and once with a high estimate — to map the full range of potential outcomes.
  • Read the State Info Panel carefully before finalising inputs; its special provisions may change which type or how many eligible weeks you enter.
  • Share the Breakdown Table with your attorney — each calculation step is shown explicitly and can be verified against your state statute.
9

Common Mistakes to Avoid

Errors that lead to inaccurate estimates

🚫 Entering Annual Salary Instead of Weekly Wage

Entering your annual salary rather than your weekly earnings will inflate results by a factor of 52, producing absurdly high figures. Always divide your annual salary by 52 to get your AWW before entering it.

🚫 Leaving Compensation Rate at 66.67% When a Cap Applies

In states with a lower dollar cap, leaving the rate at 66.67% may significantly overstate your weekly benefit. Always check your state board’s current cap and adjust the Compensation Rate field accordingly.

🚫 Selecting the Wrong Disability Type

PPD and PTD use fundamentally different formulas, leading to large discrepancies if mixed up. Confirm with your claims manager or attorney which disability type formally applies to your situation before selecting one.

🚫 Guessing Eligible Weeks

Eligible weeks have a huge effect on total benefit — errors compound quickly. Check your state’s injury schedule or contact a claims agent for the precise figure. Do not estimate.

🚫 Using an Estimated (Unconfirmed) Impairment Rating

An estimated impairment rating may differ significantly from what a QME or physician formally assigns. It is strongly recommended to wait for a formal medical evaluation before calculating total benefit. Use estimates only for rough planning, not for settlement decisions.

10

Frequently Asked Questions

Common questions about the calculator and workers’ comp ratings

Your Average Weekly Wage is your weekly earnings average calculated from payroll records over the 52 weeks prior to your injury. It typically includes regular wages, overtime, tips, and regular bonuses in most states. For example, if you earned $46,800 in the past year, your AWW is $900 ($46,800 ÷ 52).
Yes. Simply update any field with new values, click Calculate again, and the results panel will reflect the updated numbers immediately. Use the Reset button if you want to clear everything and start from scratch.
The calculator automatically caps adjusted ratings at 100% to ensure the weekly benefit never surpasses full wage replacement. When the combined effect of impairment rating, occupation factor, age factor, and state multiplier would mathematically exceed 100%, the calculator caps it — keeping the final figure at a maximum of 100% full wage replacement.
Select “Other State” from the dropdown. This applies a neutral multiplier of ×1.00 using the standard 66.67% formula. Your actual state may have different regulations, so treat this estimate as a rough baseline and confirm the figures with your state’s workers’ compensation board.
Yes. When applied to Temporary Partial Disability, the calculator uses an adjusted rating factor to account for partial wage loss during recovery. As a result, the weekly figure for TPD will reflect the partial wage-replacement nature of the benefit compared to TTD or PTD.
No. Settlement decisions depend on numerous factors beyond benefit estimates, including future medical costs, permanency determinations, attorney fees, and state-specific settlement rules. Always consult a licensed workers’ comp attorney before accepting any settlement offer.
Yes. Open the block editor of your WordPress page or post, click the “+” icon to add a new block, search for and select “Custom HTML,” paste the entire calculator HTML file contents into that block, then click Preview to test before publishing. No plugins are required — the calculator is self-contained with all CSS and JavaScript inline.

Workers Comp Disability Rating Calculator — Complete Documentation

This guide is for informational purposes only and does not constitute legal or medical advice.
For official determinations, consult a licensed workers’ compensation attorney and a certified QME/AME.

Based on California PDRS · AMA Guides 5th Edition · Post-SB 899 (2005+) · LC §4659 · Multi-state reference

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