Health Insurance Break-Even Calculator
Choosing between a high-deductible and a low-deductible health plan is one of the most financially significant decisions you make during open enrollment. The right choice depends on how much medical care you actually use. A high-deductible plan has lower monthly premiums but you pay more out of pocket before insurance kicks in. A low-deductible plan costs more in premiums but the insurer starts covering costs sooner. This calculator finds the break-even point: the annual medical spending level at which total costs are identical under both plans. If you expect to spend less than the break-even amount, the high-deductible plan saves money. If you expect more, the low-deductible plan is the better choice. Enter both plans' annual premiums, deductibles, coinsurance rates, and out-of-pocket maximums to compare them.
Health insurance cost comparison formula
OOP Cost = min(Medical Spending, Deductible) + min(max(0, Medical Spending - Deductible), OOP Max - Deductible)
Total Plan Cost = Annual Premium + OOP Cost
Break-Even: find spending S where Total A(S) = Total B(S)
This simplified model assumes 100% coinsurance up to the deductible and 100% coverage up to the OOP maximum, which is the worst-case scenario for comparing plans.
Health plan selection tips
- If you rarely use medical services, the HDHP's lower premium usually wins.
- Factor in HSA tax savings if choosing an HDHP: contributions reduce your federal taxable income.
- Consider prescription drug costs separately - formularies and copays differ significantly by plan.
- Network differences matter: verify your doctors and hospitals are in-network for the plan you choose.
- Review your prior year's EOB (Explanation of Benefits) to estimate realistic spending for next year.
Health insurance break-even: frequently asked questions
What is the break-even point between two health insurance plans?
The break-even point is the annual out-of-pocket medical spending level where total costs are identical under both plans. Below this spending level, the lower-premium (usually higher-deductible) plan is cheaper. Above it, the higher-premium (lower-deductible) plan saves money.
How do I compare an HDHP to a traditional PPO plan?
Compare total annual costs at different spending levels: (Annual Premium + Out-of-Pocket Costs) for each plan. The High-Deductible Health Plan (HDHP) has lower premiums but higher upfront costs. The PPO has higher premiums but lower deductibles. The break-even is where total costs intersect.
What is a High-Deductible Health Plan (HDHP)?
For 2024, the IRS defines an HDHP as a plan with a minimum annual deductible of $1,600 (individual) or $3,200 (family), and maximum out-of-pocket limits of $8,050 (individual) or $16,100 (family). HDHPs qualify for Health Savings Account (HSA) contributions.
Should I factor in HSA tax savings when comparing plans?
Yes. If you choose an HDHP, you can contribute to an HSA and receive a triple tax benefit: contributions are pre-tax, growth is tax-free, and withdrawals for medical expenses are tax-free. The effective cost of medical spending from an HSA is reduced by your marginal tax rate.
What if I have chronic conditions or expect significant medical costs?
If you expect high medical spending, a low-deductible plan usually wins because you quickly hit the deductible and the insurer covers more. If you are generally healthy and rarely use medical services, the HDHP's lower premium savings may outweigh the higher deductible risk.
Official sources
- IRS: Publication 969 - Health Savings Accounts and Other Tax-Favored Health Plans.
- HealthCare.gov: Understanding Deductibles.
Reviewed by the CalculatorHub team, edited by James Graham, 14 June 2026. See our methodology.