Medicare Tax Calculator
Estimate base Medicare tax and Additional Medicare surcharge using filing-status thresholds.
Configure your scenario
Enter wages and filing status to estimate Medicare tax breakdown.
$260,000
$4,310
$8,080
Detailed estimate
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Medicare tax - quick answers
Is there a wage cap for Medicare like Social Security?+
No. Base Medicare tax applies to all wages; Additional Medicare applies above threshold.
Who pays Additional Medicare tax?+
Additional Medicare is employee-side only; employers do not match this extra 0.9% portion.
Official references
Sources & Act Reference
Medicare payroll references
Base Medicare tax
All wages are generally subject to Medicare withholding at 1.45% for employee and employer.
Additional Medicare tax
Employee pays extra 0.9% on wages above filing-status threshold.
Rule Trace
Applied rule and official references
Applied rule: employee 1.45% + additional 0.9% above threshold; employer 1.45%
Official quick links
Compliance checklist
If filing jointly with multiple earners, re-check additional Medicare exposure at combined return level.
Smart Insight
Estimated employee Medicare tax is $4,310 including additional surcharge.
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