RSU & Stock Options Tax Calculator

See what's actually left after taxes on vested RSUs — at vesting, and again if you sell later at a different price.

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If sold later

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Estimated take-home value
Value at vesting (gross)
Withheld at vesting
Capital gain/loss at sale
Capital gains tax

Estimates only. CalcPenny is not a lender, broker or financial adviser and this is not financial advice. Verify figures before making decisions.

Two separate tax events, easy to conflate

Vesting and selling are taxed independently — vesting is ordinary income on the full value, and only the gain or loss after that point (if you hold before selling) is a capital gain. This doesn't net a loss here against other gains you may have; for that, see the Tax-Loss Harvesting Calculator.

Frequently asked questions

How are RSUs taxed at vesting?
The full market value of shares on the vesting date counts as ordinary income, taxed like a bonus — subject to federal, state and FICA withholding — even if you don't sell a single share. Many employers cover this by withholding some of the shares themselves ("sell to cover").
What happens if I sell after vesting?
Any change in price between vesting and sale is a capital gain or loss. Held over a year past vesting, it qualifies for long-term capital gains rates; sold sooner, it's taxed at short-term rates — enter whichever rate applies to you.
Does this cover stock options too?
Only loosely — options add complexity this doesn't model, especially Incentive Stock Options (ISOs), which can trigger the Alternative Minimum Tax on the exercise spread even without selling. For Non-Qualified Stock Options (NSOs), the exercise spread is taxed similarly to RSU vesting, so you can approximate it by entering the spread as the "value at vesting" below.

Last updated: June 2026

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