Planning estimate only — not a quote, claim, or medical advice. Confirm with your plan documents.
Benefits worksheet
Coinsurance calculator: how much of this bill is yours?
Enter the allowed amount, deductible left, and your coinsurance %. See what you pay vs the plan.
Your numbersStays on device
Your numbers
$
$
%
Common: 20% means you pay 20% after deductible.
You pay (estimate)
$1,960
Plan pays about $3,040 on this bill.
- Applied to deductible
- $1,200
- Your coinsurance share
- $760
- Your total
- $1,960
Ignores OOP max caps, network rules, and denied charges.
Related estimates
Common questions
No. Copay is a flat fee; coinsurance is a percentage after deductible.
It applies your deductible remaining first, then splits the rest by your coinsurance percent (for example 20% you / 80% plan).
Set deductible left to $0. Then your share is mostly bill × coinsurance %, until you near the out-of-pocket max.
This page focuses on one bill. Check remaining room to OOP max with the out-of-pocket max calculator.