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Health Plan Premium Out-of-Pocket Comparison Calculator

Compare two health plans by annual premiums, expected member cost sharing, out-of-pocket maximums, and employer or HSA offsets.

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Lower modeled cost

Plan B

Annual cost difference

$830

Plan A total annual cost

$8,500

Plan B total annual cost

$7,670

Plan A expected care cost

$2,260

Plan B expected care cost

$4,250

How the math works

The calculator adds annual premiums to estimated cost sharing for each plan, caps care costs at the out-of-pocket maximum, and applies the entered HSA or employer offset.

Use plan documents for final networks, covered services, copays, prescription tiers, subsidy eligibility, and out-of-pocket rules.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

Calculation notes and example

Health plan total-cost comparison formula

Each plan's annual cost equals 12 months of premiums plus estimated member cost sharing. Member cost sharing applies the deductible first, adds coinsurance on expected allowed care above the deductible, and caps that amount at the out-of-pocket maximum. The entered employer or HSA offset reduces Plan B cost.

Worked example

A higher-premium plan can win when expected care is high and the deductible is low. A lower-premium high-deductible plan can win when expected care is modest or employer HSA funding offsets the extra deductible exposure. The calculator shows the total annual difference instead of focusing only on premium.

Edge cases and practical tips

  • Include prescriptions, recurring specialists, and expected procedures in the care estimate.
  • Network, formulary, and covered-service differences can matter more than the modeled dollar spread.
  • Run low-care, expected-care, and high-care cases before choosing a plan.

Useful companion tools: Health Insurance Calculator, High Deductible Health Plan Calculator, Health Insurance Premium Tax Credit Calculator, and HSA Contribution Savings Calculator.

How to interpret the health plan premium out-of-pocket comparison result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this health plan premium out-of-pocket comparison estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

  1. Enter expected annual allowed medical care.
  2. Add monthly premium, deductible, coinsurance, and out-of-pocket max for Plan A.
  3. Add the same details for Plan B.
  4. Include any HSA or employer offset for Plan B.
  5. Review the lower modeled annual cost and cost difference.

Frequently Asked Questions

Why compare premium and out-of-pocket costs together?

A low premium plan can cost more when care needs are high. A high premium plan can be cheaper when it sharply reduces deductible, coinsurance, or out-of-pocket exposure.

Does this include copays and prescriptions?

It uses a simplified deductible and coinsurance model. Add expected copays and prescription costs into the expected allowed care number or compare final plan documents separately.

Is this health insurance advice?

No. This is an educational estimate. Confirm subsidy eligibility, covered services, network, formulary, and plan rules with official plan documents or a qualified advisor.

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