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Full Coverage vs Liability-Only Break-Even Calculator

See how many years of collision or comprehensive premiums would equal one total-loss payout on your car, using figures you enter.

This tool is an estimate for education only. It is not legal advice, not an insurance quote, and not a prediction of what a court, insurer, or claims adjuster would pay. Coverage rules, statutes, and case law change. Read the official source linked on this page. Nothing you type into the calculator is collected or sent anywhere; the math runs in your browser.

Short answer: Liability insurance does not pay to repair or replace your own car. Collision and comprehensive do, generally up to actual cash value minus your deductible. Enter those premiums and your car's value to see how long it would take for the premiums to add up to one total-loss payout.

Reviewed November 8, 2026

How the estimate is calculated

For collision, the tool subtracts the collision deductible from the actual cash value you enter. That remainder is a simplified total-loss collision payout. Dividing that payout by the annual collision premium you entered gives the number of years of premiums that would equal one such payout. The same steps run separately for comprehensive, because a crash and a theft are different events.

Insurance Information Institute: Auto insurance basics explains that legally required auto liability coverage pays for injuries and property damage you cause to other people; it does not cover damage to your own car. Optional collision coverage reimburses damage to your car from a collision with another vehicle or object, including potholes and rollovers, but not mechanical failure or normal wear-and-tear. Comprehensive covers theft and non-collision damage such as fire, flood, vandalism, hail, falling objects, or striking an animal.

Texas Department of Insurance: Auto insurance guide describes collision as paying to repair or replace your car after an accident and comprehensive as paying if the car is stolen or damaged by fire, flood, vandalism, or something other than a collision. Texas's guide also notes that if you still owe money on the car, your lender will require collision and comprehensive, and that a total-loss payment is the car's value minus depreciation.

III: What determines the price of an auto insurance policy? lists the type and amount of coverage, including deductibles and optional collision and comprehensive, among the items that determine the price of a policy.

What this calculator does not do

It does not predict how likely you are to have a claim, what an insurer would actually pay, or how a claim would change your future premium. It does not add collision and comprehensive payouts together, because one event is usually one or the other. It does not include gap coverage for a loan larger than the car's value. Mechanical breakdown is outside collision and comprehensive.

Sources

• Insurance Information Institute: Auto insurance basics.
• Texas Department of Insurance: Auto insurance guide.
• III: What determines the price of an auto insurance policy?.

FAQ

What does a full-coverage vs liability-only calculator show?

It compares the collision and comprehensive premiums you enter with a simple total-loss payout equal to your car's actual cash value minus each deductible. Liability-only would pay $0 toward your own car. The result is an educational break-even picture, not a quote.

What does “full coverage” mean?

It is not a legal term. Drivers and agents usually mean a policy that includes liability plus collision and comprehensive. Collision pays for damage to your car from a crash with another vehicle or object. Comprehensive pays for theft and non-collision damage such as fire, flood, hail, vandalism, or hitting an animal. The Insurance Information Institute describes those optional coverages that way.

Why does the calculator use actual cash value?

Collision and comprehensive generally pay the actual cash value of the car at the time of the loss, not what you originally paid and not what you still owe. The Texas Department of Insurance explains that a total-loss payment is the car's value minus depreciation, and that a loan can be larger than that value.

Does this tell me I can drop collision if my car is paid off?

No. If you still owe money on the car or you lease it, a lender or leasing company will typically require collision and comprehensive. Even on a paid-off car, dropping those coverages means a crash or theft would not pay to repair or replace your car. Use the numbers as one input, not as a decision by themselves.

Does one claim equal one year's premium?

No. The break-even figure asks how many years of the premium you entered would add up to one total-loss payout. Most years you will not have that claim. A real claim can also be a repair rather than a total loss, and filing a claim can change future premiums. This page does not estimate claim frequency or a surcharge.

Is this legal or insurance advice?

No. The page and the calculator are general information. They are not a quote, not a claim evaluation, and not advice about what coverage you should buy. A licensed agent or attorney in your state can review your situation.