State Farm is the largest auto insurer in the country, which makes its claim-handling patterns the most negotiated-against in America. The math on this page is carrier-neutral. It runs the multiplier and per-diem methods adjusters everywhere are calibrated against, then adds what to expect from a high-volume carrier.
Two honest methods, shown side by side. Educational estimate, not legal advice.
Large carriers evaluate injury claims with software-assisted consistency. Documented treatment codes, gap days, and provider types drive the output far more than narrative does. The practical consequence is that your file sets the range the adjuster is authorized to offer, not your manner on the phone. Complete records, consistent treatment, and physician-documented restrictions are what the system rewards.
Quick settlement offers that arrive before treatment is complete are common across the industry, and they share a defect you can name. They price a claim whose economic base nobody knows yet. Never settle before maximum medical improvement. A release signed in week three still covers the surgery discovered in week ten.
Compute your range here, then respond to any offer with its implied multiplier. Something like: your $9,000 offer is 1.2× my $7,300 in specials, and the accepted band for a moderate injury is 2–3×. Adjusters can defend a number against feelings all day. Defending 1.2× against their own industry's method is much harder. Put a response deadline on your counters and document every call.
Like every major carrier, State Farm evaluates claims against documented economic damages with software-assisted consistency. The multiplier method (1.5–5× specials by severity) is the industry framework its outputs get compared to in negotiation. What moves the number is your documentation, your treatment consistency, and your state's fault rule. The calculator on this page shows the whole band with the arithmetic printed.
First offers across the industry commonly imply multipliers near 1×, below any published band. Grade the specific offer in offer-check mode. If it lands below the band for your severity, the implied-multiplier math is your counter.
You are generally obligated to cooperate with your own insurer, not with the other driver's. For third-party claims, politely decline recorded statements until you understand what your claim is worth. Anything recorded early gets used against the claim later.