See what selling an asset costs you in capital gains tax, and how much holding past a year saves. Enter your cost basis, sale price, and rates — then open the full Capital Gains Tax Calculator for state/provincial detail and your exact bracket.
For US federal tax it's 0%, 15%, or 20% depending on your taxable income. This estimator lets you pick the rate; the full calculator maps your income to the right one and adds state tax.
Does holding longer really matter?
Often a lot — long-term rates are usually well below ordinary income rates. Toggle the holding period to see the difference on your numbers.