Simple definition
A payroll tax equal to 1.45% of all your wages that helps fund Medicare hospital and medical coverage. Your employer pays a matching 1.45%, and self-employed people pay both halves. Unlike Social Security tax, it applies to every dollar of wages with no cap. Think of it as a steady contribution toward future health coverage.
Why it matters
This tax helps pay for the Medicare coverage many people rely on later in life, so it is building toward future health support. Because it has no wage cap, it comes out of every dollar you earn, unlike the Social Security portion.
Real-life example
Suppose you earn $50,000 in wages this year. Medicare tax takes 1.45%, or about $725, spread across your paychecks. Your employer contributes another $725 on your behalf. Unlike Social Security tax, it applies to all your wages, even above any cap.
Formula
Medicare tax = 1.45% of wages (your employer matches another 1.45%)
Common mistakes
- Confusing the Medicare portion with the larger Social Security portion of FICA.
- Assuming there is a wage cap — Medicare tax applies to all your wages.
- Forgetting that self-employed people owe both the employee and employer shares.
- Expecting this tax back as a refund the way income-tax withholding can be.
Pro tips
- Check your pay stub to see the Medicare line separate from Social Security.
- If self-employed, budget for both halves of the Medicare tax.
- Remember Medicare tax has no wage cap, so it applies to every dollar earned.
- Keep in mind higher earners can owe an added Medicare tax above a set threshold.
Related Money Dictionary terms
- FICAThe payroll tax that funds Social Security and Medicare, split between you and your employer on your wages.
- Payroll TaxTaxes taken out of wages to fund programs like Social Security and Medicare, paid by both worker and employer.
- Social Security TaxA payroll tax on wages up to an annual limit that funds retirement, disability, and survivor benefits.
- Self-Employment TaxThe Social Security and Medicare tax that self-employed people pay to cover both the employee and employer shares.
- WithholdingMoney your employer takes out of each paycheck and sends to the government toward your expected tax bill.
Frequently asked questions
How much is Medicare tax?
For employees it is 1.45% of all your wages, and your employer pays a matching 1.45%. Self-employed people pay both halves themselves. Unlike Social Security tax, Medicare tax has no wage cap, so it comes out of every dollar of wages you earn during the year.
Is there a cap on Medicare tax?
No. Medicare tax applies to all of your wages with no upper limit, unlike Social Security tax, which stops at an annual cap. Higher earners may also owe an additional Medicare tax on wages above a set threshold, so their effective rate on top earnings can be a little higher.
Do self-employed people pay it?
Yes, through self-employment tax. With no employer to share the cost, they pay both the 1.45% employee share and the 1.45% employer share on their net earnings, with no wage cap. Part of the total self-employment tax is deductible, which eases the overall burden somewhat.
Knowing what Medicare Tax means is knowledge — the first half. A brick gets placed when you act on it: check your pay stub to see how much Medicare tax comes out each period.
Also builds: Workplace Benefits
Sources & references
More in Taxes
Plain-English education — not personalized legal, tax, or investment advice.