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📌 Frequently Asked Questions (FAQ)
This tool helps you combine multiple impairment percentages using the method described on page 604 of the AMA Guides, 5th Edition. It also provides UE → WPI and LE → WPI conversions, saving you time and avoiding manual errors.
Enter two or more impairment percentages.
Click "Calculate."
See the final Combined Value and conversions.
You can add up to 10 values at a time. Need examples? Click the pre-filled chips to try sample calculations.
These refer to standardized formulas:
• UE to WPI = Upper Extremity × 0.60
• LE to WPI = Lower Extremity × 0.40
These factors follow AMA 5th Edition guidelines. You can adjust them in the advanced settings if your jurisdiction differs.
By default, we round only the final combined value. You can toggle stepwise rounding in the settings to match your specific reporting style or jurisdictional rules.
No account is required for basic use. You can use the calculator up to 5 times per day for free. For unlimited use, just sign up and upgrade to a Premium account.
A message will appear letting you know when your free limit is reached. You'll be invited to upgrade to Premium for unlimited access—your existing results will still be viewable.
Click "Upgrade" in the top menu. All payments are securely handled through Stripe, and access is tied to your login email. You'll get immediate access upon checkout.
Calculations: No calculation data is saved. This tool runs entirely in your browser.
Account Data: If you create an account, only your email address is stored through Firebase Authentication. All payment and subscription data is securely handled by Stripe—we don't store credit card or payment information.
Yes. After calculating, click "Copy Results" or use the "Share" button to generate a link with pre-filled values.
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QMEcalculator.com was built by practicing professionals to simplify impairment calculations. It's designed for physicians, case reviewers, and attorneys working with AMA-based ratings.