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Taxes calculator
RSU withholding shortfall calculator
Estimate the gap between the flat 22% most employers withhold on vested RSUs and what you actually owe at your marginal rate.
Estimated withholding shortfall
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Most U.S. employers withhold RSU vesting income at the flat 22% federal supplemental-wage rate, regardless of your actual bracket. This compares that to your marginal rate as a rough estimate — your real liability depends on your full tax picture. See “Your RSUs are a bonus, not a lottery ticket” in our insights.
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