Insurance calculator

Free hsa vs traditional health plan calculator

Compare an HDHP+HSA against a traditional or PPO plan on total annual cost — premiums, the out-of-pocket you expect to use, and the HSA tax deduction — to see which plan wins and by how much, updated live as you type.

On this page13 sections

InputsLive

Compounding

Initial principal

Monthly contribution

$/mo

Annual interest rate

Years

yrs

Result

Future value

$37,405

Interest: $15,405 · Invested: $22,000

Future value$37,405

Interest earned$15,405

Total invested$22,000

Growth factor1.7×

Hypothetical projection. Excludes taxes, inflation, and fees. Actual investment returns vary.

Results are estimates. Consult a professional.

Overview

HSA vs traditional health plan: which costs less per year?

This HSA vs traditional health plan calculator answers one money question: across a full year, does a high-deductible health plan paired with a Health Savings Account (HDHP+HSA) actually cost you less than a traditional or PPO plan? A low sticker premium can hide a high deductible, and a tax deduction you never see on a paystub can quietly swing the math. The tool nets the two plans against each other — premiums plus the out-of-pocket you expect to use, minus the tax you save by funding an HSA — and names the winner the moment you change a number.

The headline is a single comparison of annual net cost, not a coverage-quality verdict. Two plans can cost nearly the same on paper yet feel very different in a bad health year, so read the cost gap alongside the worst-case exposure each plan leaves you carrying.

Method

How the annual net cost is calculated

Each plan is reduced to a single net annual cost. The traditional plan is its premium plus the share of your expected medical spend it makes you pay out of pocket. The HDHP side adds its own premium and out-of-pocket share, then subtracts the income tax you avoid by routing money through an HSA.

HDHP out-of-pocket used = min(expected expenses, HDHP max out-of-pocket)

Traditional out-of-pocket used = min(expected expenses, traditional max out-of-pocket)

HSA tax savings = HSA contribution × marginal tax rate

HDHP+HSA net = HDHP premium + HDHP OOP used − HSA tax savings

Traditional net = traditional premium + traditional OOP used

The calculator credits the HSA tax deduction but does not add any employer HSA contribution to the comparison — employer dollars are a separate benefit covered below. It also stops at one year; for the multi-decade picture use the related HSA total savings calculator.

An HDHP and HSA are defined under Internal Revenue Code §223. The contribution you make is deductible from gross income, which is the tax saving the model subtracts — see IRS Publication 969.

Inputs

What each input means

HDHP and traditional annual premiums. Your share of the yearly premium for each plan — usually the per-paycheck amount times the number of pay periods, after any employer subsidy.
HDHP and traditional max out-of-pocket. The most each plan can make you pay in a year for covered care, from your benefits summary. The HDHP figure is normally the larger of the two.
Expected annual medical expenses. Your honest estimate of what you'll actually spend on covered care. This drives the comparison: low spenders favour the cheap-premium HDHP, heavy users favour the lower-cap traditional plan.
HSA contribution. What you plan to put into the HSA from your own pay. Only this amount earns the tax deduction in the model.
Marginal tax bracket. The rate on your next dollar of income — it sets how much each HSA dollar saves you.

Worked example

A worked example: when the HDHP+HSA wins

Example: a moderate-spending year

You compare an HDHP (premium $5,000, max out-of-pocket $7,000) against a traditional plan (premium $7,000, max out-of-pocket $3,500). You expect $4,000 of covered medical expenses, plan to contribute $4,000 to an HSA, and your marginal bracket is 22%.

Step 1 — Cap the out-of-pocket on each plan

On the HDHP, expected spend ($4,000) is below the $7,000 cap, so you'd pay the full $4,000. On the traditional plan, the $4,000 of spend is above its $3,500 cap, so it is limited to $3,500.

Step 2 — Value the HSA tax deduction

The $4,000 HSA contribution comes off your taxable income, saving 22% of it: $4,000 × 0.22 = $880.

Step 3 — Net each plan

HDHP+HSA net = $5,000 + $4,000 − $880 = $8,120. Traditional net = $7,000 + $3,500 = $10,500.

HDHP+HSA wins — saves $2,380/yr

The high-deductible plan's lower premium plus the $880 tax deduction more than offset its higher out-of-pocket, beating the traditional plan by $2,380 for the year. Any employer HSA contribution would widen that gap further, on top of this $2,380.

Quick reference

2026 HDHP and HSA rules (IRS)

A plan only counts as an HDHP — and only then can you fund an HSA — if it meets the IRS minimum deductible and stays under the out-of-pocket ceiling. The 2026 figures below frame realistic inputs for the comparison.

2026 rule (IRS §223)	Self-only	Family
HDHP minimum annual deductible	$1,700	$3,400
HDHP maximum out-of-pocket	$8,500	$17,000
HSA contribution limit	$4,400	$8,750
Age 55+ catch-up	+$1,000	+$1,000

Source: IRS Rev. Proc. 2025-19 (2026 inflation-adjusted §223 amounts). The catch-up is an extra $1,000 for accountholders 55 or older.

IRS Rev. Proc. 2025-19 — 2026 inflation-adjusted amounts for Health Savings Accounts.

Scenarios

Which plan tends to win, and for whom

The break-even hinges almost entirely on how much care you expect to use against the premium gap between the plans.

Low and predictable spenders — generally healthy, few prescriptions — usually win with the HDHP+HSA: the premium savings rarely get eaten by the deductible, and the tax break is pure upside.
Heavy, predictable spenders — a chronic condition, a planned surgery, a new baby — often do better on the traditional plan, whose lower out-of-pocket cap limits the bad-year damage.
Anyone who can fully fund the HSA tilts toward the HDHP, because the tax deduction (and any employer match) keeps growing the lead, especially in a higher bracket.
Cash-flow-sensitive households should weigh that the HDHP can demand a large lump sum up front before the deductible is met, even if it wins on the annual net cost.

Gotchas

Common mistakes when comparing the two plans

Comparing premiums alone. The cheap premium is the trap the deductible springs; net the whole year, not the paycheck line.
Ignoring the tax deduction. An HSA contribution lowers taxable income — leaving it out makes the HDHP look worse than it is.
Forgetting employer HSA money. Many employers seed the account; that's free money this calculator deliberately leaves out, so the real HDHP edge is usually larger than shown.
Using the max out-of-pocket as your expected spend. Most years you spend far less than the cap — enter a realistic expectation, not the worst case.
Assuming any cheap plan is an HDHP. Only a plan meeting the IRS deductible minimum qualifies you to open and fund an HSA at all.

Definitions

Key terms

A plan meeting the IRS minimum deductible and out-of-pocket limits under §223, which is what makes you eligible to contribute to an HSA.

A tax-advantaged account tied to an HDHP: contributions are tax-deductible, growth is tax-free, and withdrawals for qualified medical expenses are tax-free.

A plan with a higher premium but a lower deductible and out-of-pocket cap; it does not allow HSA contributions.

The most a plan can require you to pay for covered care in a year. Once you hit it, the plan pays 100%.

The tax on your next dollar of income — the rate at which each HSA contribution dollar reduces your tax bill.

Premium + out-of-pocket actually used − HSA tax savings. The single figure this calculator compares between the two plans.

Accuracy

How accurate is this comparison?

The arithmetic is exact, but the result is only as honest as your expected-expenses estimate and your real plan figures. It is a single-year, single-person model: it does not capture mid-year provider-network differences, coinsurance tiers, copay structures, state income tax, FICA effects, or the long-run investment value of an HSA. It also excludes employer HSA contributions, so a winning HDHP margin is usually understated here.

Treat the output as a planning estimate to narrow your open-enrollment choice — not tax or insurance advice. Confirm premiums, deductibles and caps on each plan's official summary of benefits, and check the current IRS limits before you assume a plan qualifies for an HSA.

IRS Publication 969 — Health Savings Accounts and Other Tax-Favored Health Plans.IRS Rev. Proc. 2025-19 — 2026 HDHP and HSA limits.

Questions

Frequently asked questions about the free hsa vs traditional health plan calculator

A HSA vs traditional health plan calculator is a free online tool that helps you compare HDHP+HSA against a traditional health plan including premiums, OOP, and tax savings. HDHPs have higher OOP but lower premiums + HSA tax savings. It runs entirely in your browser with instant results and no sign-up.

It depends on how much care you expect to use. With a low premium and the HSA tax deduction, an HDHP usually wins for low-to-moderate spenders. In the worked example — HDHP premium $5,000, traditional $7,000, expected expenses $4,000, $4,000 HSA contribution at a 22% bracket — the HDHP+HSA nets $8,120 versus $10,500, winning by $2,380 a year.

Your HSA contribution is deducted from taxable income, so it saves your contribution times your marginal rate — $4,000 × 22% = $880 in the example. The calculator subtracts that from the HDHP's net cost, which often flips a close call in the HDHP's favour.

No. It credits only the tax deduction on your own contribution. Employer HSA money is extra free money on top of the result, so a winning HDHP margin is usually larger in reality than the figure shown.

When you expect heavy, predictable medical spending. The traditional plan's lower out-of-pocket cap limits the damage in a bad year, which can outweigh the HDHP's premium savings and tax break.

Per IRS Rev. Proc. 2025-19, a 2026 HDHP needs a deductible of at least $1,700 (self-only) or $3,400 (family) and an out-of-pocket maximum no higher than $8,500 or $17,000. Only a qualifying HDHP lets you fund an HSA.

About

About this HSA vs traditional health plan calculator

This HSA vs traditional health plan calculator runs entirely in your browser — nothing you enter is sent anywhere. It reduces each plan to one net annual cost: premium plus the out-of-pocket you expect to use (capped at each plan's maximum), minus the income tax an HSA contribution saves, then names the cheaper plan and the yearly gap. It is a single-year, single-person estimate that excludes any employer HSA contribution, so a winning HDHP margin is usually understated.

It is a planning estimate, not tax or insurance advice — confirm premiums and caps on each plan’s summary of benefits and the current limits with the IRS. Browse more insurance calculators or the full calculators directory.