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Calculator Methodology & Data Sources

How the calculator works, where the data comes from, and what it cannot do

State data last reviewed:

This methodology document is in English to preserve precise legal and statistical terminology. Use your browser’s translation feature for other languages.

What This Calculator Does

The Pain & Suffering Calculator estimates a reasonable settlement range for non-economic damages in U.S. personal injury claims. It implements the two methods most commonly used by insurance adjusters and plaintiff attorneys to value pain and suffering: the multiplier method and the per-diem method. Outputs are then bounded by state-specific statutory damage caps where applicable.

The Multiplier Method

The multiplier method is the dominant valuation approach in U.S. personal injury practice. It works as follows:

Pain & Suffering = (Medical Bills + Lost Wages) × Multiplier

The multiplier reflects injury severity, with industry-typical values ranging from 1.5 (minor soft-tissue injuries with full recovery in weeks) to 5 (severe injuries with permanent effects). State practice norms further bound the range — for example, California cases typically use 1.5–5, while Idaho cases more commonly use 1.5–3.5. The calculator pre-fills state-specific multiplier ranges from our state-data.php database.

The Per-Diem Method

The per-diem method assigns a daily dollar value to your pain and multiplies by the number of days from injury to maximum medical improvement (MMI):

Pain & Suffering = Daily Rate × Recovery Days

The daily rate is most defensibly set to the claimant’s daily wage, on the theory that one day of pain is worth at least one day’s work. This method is most useful for shorter recoveries with documented end dates and is more common in jury trials than insurance settlements.

State Damage Caps

If a state imposes a statutory cap on non-economic damages (e.g., $250,000 in Idaho, $325,000 in Kansas), the calculator’s output is bounded by that cap. The cap field is shown explicitly in the result panel so you can see whether your case is being constrained by statute. Note that some state caps apply only to specific case types (e.g., medical malpractice) — the calculator’s flag is conservative; verify the specific application with a state-licensed attorney.

Data Sources

Accuracy Limits — Read This Carefully

The calculator is designed to give a useful starting point for negotiation, not a guaranteed outcome. Real-world settlements depend on many factors the calculator cannot model:

How to Use the Calculator’s Output

  1. The lower bound is a reasonable expectation for routine cases with clear documentation and modest injury severity.
  2. The midpoint approximates where most negotiated settlements land for the inputs provided.
  3. The upper bound is achievable with clear liability, severe documented injuries, and competent representation. Treat it as your initial demand, not your minimum acceptable outcome.
  4. Below the lower bound is appropriate when you are over 25% comparatively at fault, when liability is genuinely disputed, or when your injuries lack contemporaneous medical documentation.

What This Calculator Does Not Do

Updates and Corrections

State law changes (especially damage cap and statute of limitations amendments) are reviewed semi-annually. The internal state data was last fully reviewed . If you spot an error or know of a recent statutory change we’ve missed, please let us know — corrections are typically applied within one business day.

This methodology document is provided for transparency and is not legal advice. The accuracy of any individual estimate depends on factors specific to your case that the calculator cannot model.