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Taxes calculator
RSU withholding shortfall calculator
Illustrative comparison of RSU vesting withheld at a flat supplemental-wage rate versus a higher marginal rate. A rough illustration only, not an estimate of your actual tax liability.
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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