Financial term · Reviewed August 17, 2026

Deductible

Deductible: The amount paid toward covered costs before an insurer begins paying. It sits ahead of coinsurance in the payment sequence and below the out-of-pocket maximum. The Health Insurance Plan Cost Calculator returns this figure from expected annual cost = premiums + expected covered spending share, capped at out-of-pocket maximum. At that calculator’s documented worked-example inputs the expected annual plan cost is $8,000; holding every other input steady, moving monthly premium from $360 to $540 moves it from $6,920 to $9,080, a spread of $2,160.

The deductible sets how much of a bad year you absorb before coverage engages, and it trades directly against premium. A high-deductible plan is genuinely cheaper in a quiet year and genuinely worse in a bad one. Choosing between them is a bet on which kind of year is coming, which is a different exercise from picking the lower monthly number.

Quick reference: Deductible.
TermDeductible
CategoryHousehold & Life
How it is foundExpected annual cost = premiums + expected covered spending share, capped at out-of-pocket maximum
Worked exampleExpected annual plan cost: $8,000
Computed byHealth Insurance Plan Cost Calculator
Related terms4 defined in this glossary

Before you rely on it

What to check

Find out whether it is per person or per family, and whether prescriptions sit inside or outside it.

The common error

Where people go wrong with deductible

Comparing plans on premium alone. Add twelve premiums to the deductible and compare that total, then look at the out-of-pocket maximum for the bad case, and the ranking often reverses.

Worked through

Deductible in plain numbers

A health plan has a $1,500 deductible and 20% coinsurance after that. You have a procedure billed at an allowed amount of $4,000. You pay the first $1,500 yourself. On the remaining $2,500, you pay 20%, or $500, and the plan pays $2,000. Your cost is $2,000, provided the care is in network and the plan's annual out-of-pocket maximum is higher than that; a lower-deductible plan costs more in premiums but shrinks the first $1,500. Which is cheaper over a year depends on how much care you actually use. The numbers here are examples only.

Easily confused

Deductible and its neighbours

A deductible is not the premium, the copay or the coinsurance; the premium is what you pay to have the plan, whether or not you use care. The copay is a fixed fee for a visit or prescription. Coinsurance is your percentage share after the deductible. The out-of-pocket maximum is the most you pay in a year for covered in-network care; some services skip the deductible, such as certain preventive visits. Car and home insurance also have deductibles, but the mechanics differ, so read each policy on its own terms.

In real decisions

Where deductible turns up

You meet deductibles on health, car, home and renters insurance. Choosing a higher deductible usually lowers the premium, a trade that suits people with savings to cover the gap. Employers offer high-deductible plans paired with health savings accounts. When comparing plans, add the premium to the deductible and the likely coinsurance to see a realistic annual cost. After a claim, the deductible determines what the insurer pays.

Know the edges

Where deductible stops being reliable

Deductibles reset on a schedule, often each calendar year, and some plans count family and individual amounts separately. Network status matters: out-of-network care may not count toward the same figure. Not every cost applies to the deductible. This page explains a concept for education and is not insurance or medical advice, and the plan documents, or your insurer, decide how your specific policy works.

Quick answers

What people ask about deductible

Does a higher deductible lower my premium? Usually yes. The insurer pays less often, so it charges less. Weigh the savings against your ability to pay the deductible when a claim comes.

Does the deductible apply to every claim? Depends on the policy. Car and home policies apply it per claim. Health plans usually apply it per year. Some services are covered before the deductible.

Put it to work

How deductible is calculated

Expected annual cost = premiums + expected covered spending share, capped at out-of-pocket maximumFrom the Health Insurance Plan Cost Calculator. It computes this directly.

At the health insurance plan cost calculator’s worked-example inputs, expected annual plan cost is $8,000, worst-case annual cost is $12,400. Moving monthly premium from $360 to $540 moves that first figure from $6,920 to $9,080.

Open the Health Insurance Plan Cost Calculator →

Coverage, tax and benefit rules vary; use official plan documents and professional advice where appropriate.

Related vocabulary

Terms used alongside this one

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Nearby in the glossary