Payroll · United States

    Additional Medicare Tax Estimator

    Estimate Additional Medicare Tax by applying a rate (default 0.9%) to wages above a threshold. This is simplified and thresholds vary by filing status.

    Last updated: May 31, 2026Simplified estimateAdjust thresholdDefaults to 0.9%
    Inputs

    Configure your scenario

    Enter wages, a threshold, and a rate to estimate Additional Medicare Tax (simplified).

    Tip: threshold depends on filing status. Enter the one that applies to you.

    Wages

    $250,000

    Excess over threshold

    $50,000

    Surtax (est.)

    $450

    Breakdown

    Detailed estimate

    Excess wages over threshold
    $50,000
    Estimated Additional Medicare Tax
    $450

    Official references