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Auto Insurance Coverage Needs Estimator

The Auto Insurance Coverage Needs Estimator measures the difference between the protection targets you choose and the limits or amounts you currently carry. Rather than imposing a universal “right” liability limit, it treats coverage planning as a gap analysis because auto insurance requirements, available limits, assets at risk, vehicle values, and policy structures vary by driver and state.

Enter a liability protection target, your current liability amount, a vehicle protection target, and the amount of vehicle protection you currently want to count. The calculator totals any shortfalls. Use that result as a discussion aid when reviewing quotes or policy declarations, not as a substitute for state-specific requirements or individualized insurance advice.

Inputs

USD
USD
USD
USD
Result
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Total entered protection gap across liability and vehicle targets
Liability protection gap—
Vehicle protection gap—
Total current protection entered—

1. Set your liability target
Enter the liability protection amount you want to test. This is your planning target, not a legal minimum generated by the calculator.

2. Enter current liability protection
Use the applicable liability limit or total protection amount you are comparing against.

3. Set a vehicle protection target
Enter the vehicle value or other physical-damage protection amount you want represented.

4. Enter current vehicle protection
Use the amount of existing vehicle protection you want included in the comparison.

5. Review the gaps separately
The result breaks out liability and vehicle shortfalls before showing the combined gap.

Liability gap = max(Target liability protection − Current liability protection, 0)
Vehicle gap = max(Target vehicle protection − Current vehicle protection, 0)
Total protection gap = Liability gap + Vehicle gap

This is a user-target gap model. It does not calculate statutory minimums, loss distributions, policy limits by coverage part, deductibles, or umbrella attachment rules.

What the result means

A positive result means the current amounts entered are below one or both of your chosen planning targets. A zero result only means the entered amounts meet the entered targets in this simplified model.

This is a planning estimate, not an insurer quote or a recommendation of a particular coverage limit. Policy terms, state requirements, exclusions, underwriting rules, and claim handling vary.

Given:
Target liability = $300,000; current liability = $100,000
Target vehicle protection = $28,000; current vehicle protection = $25,000

Calculation:
Liability gap = $300,000 − $100,000 = $200,000
Vehicle gap = $28,000 − $25,000 = $3,000
Total gap = $203,000

Result: The entered targets exceed the entered current protection by a combined $203,000. Review each coverage part and applicable state requirements before acting on the comparison.

Does the estimator tell me the legal minimum auto coverage in my state?

No. State-required minimums vary and can change. Enter your own current and target liability amounts after checking applicable requirements and your insurer’s available limits.

Why does the calculator use a target instead of inventing a recommended limit?

A single universal liability limit would be inappropriate because financial exposure, state rules, risk tolerance, vehicle value, and available policy options differ. The tool therefore measures the gap between values you supply.

What should I use for vehicle protection target?

Use the amount of vehicle value you want represented in the scenario, such as an estimated current replacement or market value. Actual collision or comprehensive claim payments are governed by policy terms and valuation methods.

Should I include an umbrella policy in current liability protection?

If you are intentionally evaluating total liability protection and the umbrella clearly applies above the auto policy, you can include the applicable amount. Review attachment requirements and exclusions before combining limits.

What does a zero coverage gap mean?

It means the current limits entered meet or exceed the targets you entered for this simplified comparison. It does not mean the policy is complete or sufficient for every possible loss.