The 0% Capital Gains Bracket
Buried in the capital gains rules is a bracket most people do not believe exists when they first hear about it: a genuine 0% federal rate on long-term gains, available to anyone whose taxable income is low enough in the year they sell. It is not a loophole — it is the first rung of the long-term capital gains schedule. This guide explains who actually gets it and how the boundaries work; the capital gains calculator runs any scenario at 2026 rates.
The 2026 schedule
Long-term gains (assets held more than one year) have their own three rates. For single filers in 2026: 0% while taxable income is under $49,450, 15% up to $545,500, and 20% above that. Married filing jointly: 0% under $98,900, 15% up to $613,700, then 20%. Two words in that sentence do the heavy lifting. Taxable income means after your deductions — the standard deduction of $16,100 (single) or $32,200 (joint) comes off first, so the 0% zone reaches higher up the gross-income scale than the breakpoint suggests. And long-term is a hard cliff: sell at one year or less and the entire gain is taxed at your ordinary bracket instead.
Gains stack on top of your income
The breakpoints are not applied to the gain alone — the gain sits on top of your other taxable income and fills the brackets from wherever your income ends. A worked example: a single filer with $30,000 of taxable income realizes a $25,000 long-term gain. The gain occupies the space from $30,000 to $55,000. The first $19,450 of it — up to the $49,450 breakpoint — is taxed at 0%; the remaining $5,550 is taxed at 15%, for a total of $833. Had the same sale happened at one year or less, the gain would ride the ordinary brackets instead and cost about $3,460 — the holding period alone changes the bill by $2,628.
Who actually lands in the 0% zone
More people than you would guess, because taxable income dips in particular seasons of life: early retirees living on savings before Social Security and required distributions begin, people between jobs or on sabbatical, students and residents with investment accounts, couples where one income stops for a year. The pattern that makes the bracket valuable is a low-income year combined with an appreciated asset — the asset's size does not matter, only where your taxable income sits when you realize the gain.
Gain harvesting: the legitimate move the bracket invites
If you are in the 0% zone this year, you can sell an appreciated long-term holding, pay nothing federally on the gain up to the breakpoint, and immediately buy it back. Unlike selling at a loss, there is no wash-sale restriction on realizing a gain — the repurchase resets your cost basis to today's higher price, which shrinks the taxable gain on any future sale. The discipline is to harvest only up to the breakpoint: every dollar of gain past it is taxed at 15%, and large gains can also push you past the $200,000 modified-AGI threshold where the 3.8% Net Investment Income Tax begins. The calculator shows exactly where a planned sale crosses each line.
Three caveats before you act on this
First, the gain itself counts toward your taxable income for everything else — a large harvested gain can raise the tax on other income, affect income-tested benefits and credits, and (for early retirees) change health-insurance subsidy math, so "0% bracket" never means "no consequences." Second, states are not bound by the federal schedule: many tax capital gains as ordinary income from the first dollar, so your state's rate may apply even when the federal rate is zero — check your state on our state pages. Third, the breakpoints move with inflation each year, so a plan built on this year's numbers needs re-checking against next year's. For how bracket stacking works in general, see marginal vs. effective tax rates.
Breakpoints are from IRS Rev. Proc. 2025-32 for tax year 2026; source URLs are kept with the data in the site repository. The worked example is computed with the same tested math as the calculator. General information, not tax advice.