Insurance Deductible Calculator: Compare Two Plans Side by Side
Choosing between two insurance plans often comes down to a single trade-off: a lower premium with a higher deductible, or a higher premium with a lower deductible. An insurance deductible calculator removes the guesswork by turning that trade-off into concrete numbers. You enter each plan's annual premium, deductible, coinsurance rate, and out-of-pocket maximum, add your expected annual medical cost, and instantly see the total yearly cost of each option side by side.
The deductible is the amount you pay before your insurer starts sharing costs. After you meet it, coinsurance sets the percentage you keep paying until you reach the out-of-pocket maximum, the ceiling on what you can spend in a year. A high-deductible plan usually wins when you expect few medical expenses, because you save on premiums. A low-deductible plan tends to win when you anticipate significant care, since the insurer absorbs more of the bill. This calculator models all of those rules so your comparison is accurate.
The most useful output is the break-even point: the level of expected medical spending at which both plans cost you exactly the same. Below that number, the cheaper-premium plan wins; above it, the richer plan pays off. Knowing your break-even helps you match a plan to your real health needs instead of guessing. Because every calculation runs locally in your browser, none of your financial or health information is ever stored or sent to a server.
Insurance decisions rarely happen in isolation. If you are comparing full policies rather than just deductibles, our health insurance calculator estimates total premiums, while our car insurance calculator and home insurance calculator help you budget for coverage across your household.