Kentucky: Multiplier vs. Per Diem Methods Compared

Two different ways to turn pain and suffering into a dollar figure — and in Kentucky, neither one is ever cut short by a statutory ceiling.

The multiplier method: scaling off your damages

The multiplier method is the industry's default approach. It takes your economic damages — medical bills and lost wages — and multiplies that total by a factor generally between 1.5 and 5, chosen based on injury severity, recovery time, and whether any permanent impairment is involved.

The per diem method: valuing each day

The per diem (Latin for "per day") method works differently. It assigns a specific dollar value to a single day of pain and suffering and multiplies that rate by the total number of days of documented recovery, tying the value directly to time rather than to the size of your medical bills.

Why neither ever hits a Kentucky ceiling

In most states, one of these methods eventually runs into a statutory cap, at least in medical malpractice cases. Kentucky is different: Section 54 of the Kentucky Constitution bars the legislature from capping damages of any kind — economic, non-economic, or punitive — in any type of personal injury case. Whichever method produces a larger number, there's no statutory ceiling waiting to cut it down.

A constitutional protection, not a court decision that could flip

This is a meaningfully different situation from a state whose cap was simply struck down by a single court ruling, which could in theory be revisited by a later court or legislated around with a new statute. Kentucky's protection is written directly into the state constitution, and multiple legislative attempts to amend Section 54 and open the door to caps have all died in committee without ever reaching voters.

So which method should you actually use?

Without a ceiling to worry about, the choice between methods comes down to which one tells a more persuasive story for your specific case. A case with large medical bills and an obviously severe injury often favors the multiplier method; a case with a long, clearly documented recovery period, even with modest bills, can sometimes be more compellingly told with the per diem method instead.

Neither is required by Kentucky law

Both methods remain negotiating tools, not a formula Kentucky courts are required to apply. A jury retains full discretion to award whatever amount it finds appropriate for pain and suffering.

Multiplier vs. per diem — frequently asked questions

What is the multiplier method for valuing pain and suffering?

It takes your economic damages — medical bills and lost wages — and multiplies that total by a factor, generally between 1.5 and 5, based on how severe and lasting the injury is.

What is the per diem method, and how does it differ?

The per diem method assigns a specific dollar value to each day you experience pain and suffering, then multiplies that daily rate by the number of days of recovery, rather than scaling off your economic damages.

Does either method run into a ceiling in Kentucky?

No. Section 54 of the Kentucky Constitution bars the legislature from capping damages of any kind in any type of personal injury case, so neither method's output is ever reduced by a statutory ceiling.

Why is Kentucky's situation different from most states here?

Most states that lack a current cap arrived there through a single court decision that could theoretically be revisited or legislated around. Kentucky's protection is written into its constitution directly, and repeated legislative attempts to change it have all failed.

Is either method required by Kentucky law?

No. Neither is a formula set by statute. Both are negotiating tools used by attorneys and insurance adjusters to reach a number for the jury or the settlement table.

This page provides general guidance only and is not legal advice. Figures are based on the multiplier and per diem methods commonly used across the personal injury industry and the Kentucky Constitution (Section 54), verified per our methodology. Confirm how these methods apply to a specific claim with a licensed Kentucky attorney before acting.