Methodology & Sources page

How We Calculate Your Personal Injury Estimate

EstimateMyInjury is not a law firm, and this calculator does not provide legal advice. The estimate generated by this tool is an educational starting point based on information you enter, general personal injury valuation concepts, and state-specific legal factors that may affect recovery.

We believe a calculator should be transparent about what it considers, what its sources are, and where its limitations are. This page explains the methodology behind our estimate, the types of legal and government sources we use for research, and why an estimate from this calculator should never be treated as a prediction of what your case will ultimately settle for or receive at trial.


Our Approach

Personal injury claims in the United States are highly dependent on the facts of an individual case and the law of the state where the claim arises.

There is no single formula established by U.S. law that determines the value of every personal injury claim. Different states have different rules concerning negligence, comparative fault, damages, limitations on certain damages, insurance requirements, and other factors.

Our calculator therefore uses a multi-factor educational estimation model rather than presenting a single universal settlement formula.

Depending on the information provided, the calculator may consider factors such as:

  • Medical expenses and other economic losses
  • Lost income and potential future earnings
  • The severity and nature of the reported injury
  • Pain and suffering and other non-economic damages
  • The selected injury-related inputs
  • The user’s selected state
  • Comparative fault or responsibility for the accident
  • Applicable damage limitations or caps identified through our state-law research
  • Insurance or policy-limit information where provided
  • Other information entered by the user

The result is presented as an estimated range, rather than a guaranteed settlement amount.

An important distinction

Some components of our calculator are based on legal rules or government data, while others are part of our own educational estimation model.

For example, a state’s comparative-fault statute may establish how a plaintiff’s recovery can be affected by their percentage of responsibility. That is a legal rule.

By contrast, using a multiplier or other mathematical adjustment to help estimate pain-and-suffering damages is not a universal legal formula. Where our calculator uses such an approach, it should be understood as part of our estimation methodology—not as a formula required by law.


Economic Damages

Economic damages are losses that can generally be associated with measurable financial costs.

Depending on the information available, these may include:

Medical expenses

Medical treatment can represent a significant portion of a personal injury claim. Users may enter medical expenses associated with their injury when using the calculator.

For general injury and health-related information, we consult authoritative government resources such as the CDC Injury Center and the National Library of Medicine.

Actual recoverable medical damages depend on the facts of the claim, applicable state law, medical evidence, insurance arrangements, and other circumstances.

Lost income

An injury may affect a person’s ability to work and earn income.

Where an estimate includes lost or future earnings, employment and wage information can be informed by authoritative economic data from the U.S. Bureau of Labor Statistics.

BLS data can provide useful general information about wages and employment, but it does not determine how much a particular injured person is legally entitled to recover.

Future losses

Future medical expenses, reduced earning capacity, and other future losses can be substantially more complicated than past expenses.

The calculator may use information supplied by the user to provide an educational estimate, but future damages normally require case-specific evidence and, depending on the claim, expert analysis.


Non-Economic Damages

Personal injury claims can also involve losses that do not have a simple invoice or receipt attached to them.

Examples can include:

  • Physical pain
  • Emotional distress
  • Loss of enjoyment of life
  • Disfigurement
  • Physical impairment
  • Mental or emotional consequences
  • Other forms of non-economic harm recognized under applicable state law

These damages are inherently more difficult to quantify.

The Multiplier Method

Our calculator may use a multiplier-based methodology as one component of its educational estimate.

A simplified representation is:

Economic damages × applicable estimation factor = estimated non-economic component

The factor used by the calculator is part of our proprietary educational estimation model. It is not a statement that U.S. law requires courts or insurance companies to use a particular multiplier.

The appropriate value of non-economic damages can vary significantly depending on the severity of an injury, duration of symptoms, treatment, prognosis, evidence, credibility, jurisdiction, applicable law, and many other factors.

Accordingly, users should not interpret the multiplier as a legally prescribed rate or guaranteed settlement formula.


Adjustments for Comparative Fault

In many personal injury cases, the injured person’s own conduct may affect the amount that can ultimately be recovered.

The exact rules differ by state.

Some jurisdictions use comparative-fault systems, while others apply different rules regarding contributory or comparative negligence. The legal effect can also depend on the percentage of fault assigned and the type of claim involved.

For state-law research, we prioritize official state statutes, legislatures, courts, and government sources.

Where appropriate, the calculator incorporates state-specific fault considerations into its educational estimate.

Example

If an underlying estimate were $100,000 and a hypothetical 20% reduction were applicable, the mathematical result would be:

$100,000 × (1 − 20%) = $80,000

This example explains the calculator’s mathematical treatment only. It does not determine whether a 20% reduction is legally applicable to an actual case.


State-Specific Personal Injury Law

One of the most important limitations of a nationwide personal injury calculator is that personal injury law is not identical across all 50 states.

Our state-specific research may consider issues such as:

  • Comparative negligence
  • Contributory negligence
  • Damage limitations
  • Non-economic damage caps
  • Medical-malpractice-specific limitations
  • Recent tort-reform legislation
  • State-specific liability rules
  • Applicable statutory provisions
  • Relevant court decisions

We prioritize primary legal authorities whenever possible.

Our preferred source hierarchy is:

  1. Official state statutes and codes
  2. Official state legislature websites
  3. Official state court opinions and judiciary websites
  4. Official government agencies
  5. Federal government sources
  6. Highly authoritative legal and news publications for context

Secondary websites may help locate or explain a legal issue, but they are not treated as a substitute for the applicable primary law.


Federal and Government Sources

We use government sources whenever they can provide authoritative information relevant to injury, damages, employment, medical information, civil justice, or federal claims.

U.S. Courts

The U.S. Courts provides official information about the federal judiciary and the federal court system.

Federal court materials can be useful when researching federal civil litigation and judicial procedures.

U.S. Code

The United States Code provides access to federal statutory law.

Where a federal statute is relevant, primary statutory material is preferred over third-party summaries.

Congress.gov

Congress.gov provides official information about federal legislation, bills, legislative activity, and related congressional materials.

U.S. Department of Justice

The U.S. Department of Justice provides official federal legal and civil-justice information.

CDC Injury Center

The CDC Injury Center provides authoritative public-health information and statistics concerning injuries, their causes, consequences, and prevention.

National Library of Medicine

The National Library of Medicine provides access to authoritative medical and biomedical information and research resources.

Bureau of Labor Statistics

The U.S. Bureau of Labor Statistics provides official U.S. statistics concerning employment, wages, occupations, and labor-market conditions.

Centers for Medicare & Medicaid Services

The Centers for Medicare & Medicaid Services provides official information concerning Medicare, Medicaid, healthcare systems, and healthcare-related data.


State Government and Court Sources

Because personal injury law is primarily affected by state law, state-level primary sources are particularly important to our research process.

Examples of official state legal sources include:

These sources are examples of the type of primary authority we use when researching state-specific rules.


Recent Legislative Changes

Personal injury law can change through new legislation and court decisions.

For this reason, we pay particular attention to legislation that changes:

  • Comparative fault standards
  • Damage limitations
  • Medical-malpractice damages
  • Liability standards
  • Insurance requirements
  • Tort-reform provisions
  • Effective dates and transitional rules

A law’s effective date is particularly important. A law enacted by a legislature does not necessarily apply to every claim immediately, and some legislation applies only to claims arising after a specified date.

When discussing a recent reform, we therefore seek to distinguish between:

the date a law was enacted, the effective date, and the date on which a particular claim arose.

This distinction is important when using a calculator for educational purposes.


How We Select Our Sources

Our goal is to prioritize primary and authoritative information.

Tier 1 — Primary authority

Whenever possible, we use:

  • State statutes
  • State legislative codes
  • Official bills
  • Official court opinions
  • Federal statutes
  • Official government regulations
  • Official government agencies

Tier 2 — Government and institutional sources

We also use authoritative government and institutional information for subjects such as:

  • Injury statistics
  • Medical information
  • Employment and wage data
  • Federal civil justice
  • Healthcare information

Examples include the CDC, NIH/NLM, BLS, CMS, SSA, DOJ and U.S. Courts.

Tier 3 — Authoritative legal/news sources

Reputable legal and news organizations can provide useful context concerning significant legislative changes, court decisions and major developments.

Examples include:

These sources are used for context and reporting. When a primary legal source is available, the primary source takes precedence.


What the Calculator Does Not Do

EstimateMyInjury.com does not:

  • Guarantee a settlement amount
  • Predict the outcome of a lawsuit
  • Determine the legal value of an individual claim
  • Act as an attorney
  • Establish an attorney-client relationship
  • Replace a medical evaluation
  • Determine liability
  • Determine which party is legally responsible
  • Determine the applicable insurance coverage
  • Guarantee that a particular damage cap or legal rule applies to your claim

The calculator works from information supplied by the user and a mathematical model designed to provide an educational estimate.


Insurance Policy Limits

Insurance coverage can have a significant effect on the amount that may actually be recoverable in a personal injury claim.

The existence and amount of insurance coverage can depend on:

  • The applicable insurance policy
  • Policy limits
  • Multiple potentially responsible parties
  • Additional coverage
  • Applicable state insurance law
  • The facts of the accident
  • The legal liability of the parties involved

If a user provides policy-limit information, the calculator may use that information as an adjustment to its estimate.

However, an insurance policy limit is not automatically the same thing as the value of a claim, and the calculator cannot independently verify the existence, terms, exclusions, or enforceability of a particular insurance policy.


Why We Provide a Range

A personal injury claim involves uncertainty.

Two people with similar medical bills may have substantially different outcomes because of differences in:

  • Injury severity
  • Treatment
  • Recovery
  • Permanence of the injury
  • Lost income
  • Evidence
  • Liability
  • Comparative fault
  • Insurance coverage
  • Applicable state law
  • Negotiation
  • Litigation
  • Jury or court decisions

For this reason, EstimateMyInjury.com presents an estimated range rather than a single guaranteed number.

The range is intended to communicate uncertainty rather than create a false impression of precision.


Important Limitations

The calculator’s result depends heavily on the information entered by the user.

Incorrect, incomplete, outdated, or misunderstood information can produce an inaccurate estimate.

Additionally, state laws and court interpretations can change. Different legal rules may apply depending on:

  • When the injury occurred
  • Where the injury occurred
  • The type of claim
  • Whether the claim involves medical malpractice
  • The identity of the defendant
  • Whether a government entity is involved
  • The specific facts of the case

For these reasons, our calculator should be viewed as an educational research tool, not as a legal valuation service.


Our Editorial and Source-Update Policy

We aim to review the legal and factual information used by our calculator when significant changes occur.

This includes monitoring:

  • New state legislation
  • Changes to existing statutes
  • Significant court decisions
  • Changes to government data
  • Major developments affecting personal injury law

Where a legal rule has an effective date or applies only to particular claims, we aim to identify that limitation rather than presenting the rule as universally applicable.

Last reviewed: August 12, 2026

Maintained by: Sujit Show
About the author: https://estimatemyinjury.com/about-us/


Legal and Medical Disclaimer

EstimateMyInjury.com is not a law firm. The information provided on this website and the results generated by the calculator are for general informational and educational purposes only and should not be considered legal advice, medical advice, or a prediction of the outcome or value of any particular personal injury claim.

Every personal injury case is different. Laws vary by state and may change over time. The calculator cannot evaluate all facts, evidence, applicable insurance policies, medical records, legal arguments, or procedural issues that could affect an actual claim.

No attorney-client relationship is created by using this website or calculator.

If you have been injured or are considering pursuing a legal claim, consider consulting a licensed attorney who can review the specific facts and applicable law in your jurisdiction.


Sources & References

The following organizations and official resources are among the authoritative sources used for legal, governmental, medical, economic, and civil-justice research relevant to this website:

Federal Government

State Legal Authorities

Legal and News References


Transparency Statement

The sources listed above provide legal, medical, governmental, economic, or informational evidence used in researching the subjects covered by EstimateMyInjury.com. They do not endorse, certify, or validate the calculator or its estimated results.

The mathematical estimation model used by EstimateMyInjury.com is our own educational methodology. It should not be confused with a statutory formula, court-approved valuation formula, insurance-company formula, or guarantee of an actual settlement or verdict.