Additional Medicare Tax Withholding 2024 Calculator. However, if your income exceeds a certain threshold, an additional medicare tax is. The medicare tax is an additional 0.9% in tax an individual or couple must pay on income thresholds above $200,000 for singles and $250,000 for couples.

There is an additional 0.9% surtax on top of the standard 1.45% medicare tax for those who earn over $200,000 (single filers), $250,000 (joint filers) or $125,000. You should file form 8959 if your.