Insurance Deductible Break-Even Calculator
Claims per year where a higher deductible breaks even with lower premium.
Find the number of claims per year where higher deductible with lower premium breaks even with low deductible. Instant result with methodology shown.
What this tool does
Higher deductibles mean lower premiums but more out-of-pocket per claim. Enter annual premium savings from higher deductible and the deductible difference. The tool returns how many claims per year would need to happen for the low-deductible plan to break even.
Enter Values
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Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
200 annual premium savings with a 500 deductible increase: one extra claim in 2.5 years tips the balance. If you claim less often than once every 2.5 years, the high-deductible plan wins. More often, low deductible is better.
Rule of thumb
If your break-even is less than 1 claim every 2-3 years, the low-deductible plan is usually better if claims are common in your category. For car/home insurance where claims are rare (under one per 3 years for most people), high-deductible typically wins the cash math.
A worked example
Try the defaults: annual premium savings of 200, deductible difference of 500. The tool returns 0.4 claims/yr. You can adjust any input and the result updates as you type — no submit button, no reload. That's the real power here: seeing how sensitive the output is to one or two assumptions.
What moves the number most
The result responds to Annual Premium Savings (Higher Deductible) and Deductible Difference. Not every input has equal weight. Flip one at a time toward extreme values to feel which ones move the needle most for your situation.
The formula behind this
Break-even claims is annual premium savings divided by deductible difference. Ignores claim probability distribution — treats claims as deterministic. Real expected value needs actuarial probability data. Everything the calculator does is shown in the formula box below, so you can check the math against your own spreadsheet if you want.
Using this as a check-in
Re-run this every three months. A single reading tells you where you stand; four readings tell you whether things are improving. The trend matters more than any individual snapshot.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
Break-even claims per year between deductible options is shown above.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Break-even claims is annual premium savings divided by deductible difference. Ignores claim probability distribution — treats claims as deterministic. Real expected value needs actuarial probability data.
References
Frequently Asked Questions
What claim rate is realistic?
Does this include claim severity?
What's the risk of high deductible?
When does low deductible always win?
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