Insurance Out-of-Pocket Cost Calculator
See exactly how your medical costs split between you and your insurer
Enter your health plan details and a medical bill amount to see your actual cost — including when your out-of-pocket maximum protects you.
Amount you pay before insurance kicks in
Your percentage after deductible
Max you pay per year (2026 ACA limit: ~$9,200)
Total charges for care received this year
Disclaimer: This calculator provides estimates for educational and informational purposes only. It does not constitute tax, legal, financial, or medical advice. Results depend on individual circumstances and may not reflect your actual costs. Always consult a qualified professional (CPA, licensed insurance agent, or financial advisor) for decisions about your specific situation. Data reflects approximate 2026 figures from IRS, CMS, and HHS sources.
How Health Insurance Cost-Sharing Works
When you receive medical care, your health insurance plan splits the cost through a series of mechanisms: the deductible (what you pay first), coinsurance (your percentage share after the deductible), copays (fixed amounts for specific services), and the out-of-pocket maximum (your annual spending cap).
Understanding how these interact is crucial for making informed decisions during open enrollment and when facing a large medical bill. This calculator models the exact sequence insurers use to determine your share.
The Cost-Sharing Sequence
First, you pay the full cost of covered services until you meet your annual deductible. Preventive services (annual physicals, certain screenings) are typically covered at 100% before the deductible under ACA rules. After meeting the deductible, you and your insurer share costs via coinsurance — commonly an 80/20 or 70/30 split. This continues until you reach your out-of-pocket maximum, after which insurance covers 100% of covered in-network care for the rest of the plan year.
Tips for Reducing Out-of-Pocket Costs
Stay in-network whenever possible — out-of-network costs may not count toward your OOP max. Use your plan's cost estimator tool before scheduling procedures. Ask about payment plans for large bills. If you have an HSA-eligible high-deductible plan, use pre-tax HSA dollars to cover your share.
Sources: Healthcare.gov, CMS Summary of Benefits and Coverage standards, IRS Publication 969.
Frequently Asked Questions
What counts toward my out-of-pocket maximum?
Your deductible, coinsurance, and copays typically count toward the OOP max. Premiums, out-of-network charges, and non-covered services usually do not. Check your Summary of Benefits and Coverage (SBC) for your plan's specific rules.
What is the ACA out-of-pocket maximum for 2026?
For 2026, the ACA out-of-pocket maximum is approximately $9,200 for individual coverage and $18,400 for family coverage. Your plan may set a lower limit.
How does coinsurance work after the deductible?
Once you meet your deductible, coinsurance splits remaining costs between you and your insurer. For example, with 20% coinsurance, you pay 20% of covered charges and your insurer pays 80%, until you reach your out-of-pocket maximum.
What happens after I hit my out-of-pocket maximum?
Once you reach your plan's OOP max, your insurance covers 100% of covered in-network services for the rest of the plan year. This is your financial safety net for catastrophic costs.