Work out medicare tax instantly with clear inputs, formula shown and shareable results.
Unlike social security there is no wage cap: the base rate applies to all wages, and an additional rate applies to earnings above a threshold. The additional charge is on the employee only, with no employer match.
Medicare tax
Tax = wages × base rate + max(0, wages - threshold) × additional rate
Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.
No. The employer matches only the base rate; the surcharge is entirely the employee's.
A separate net investment income tax can apply at a similar rate, but it is a different charge.