Federal Income Tax Calculator 2026

How Tax Brackets Work in 2026

Progressive rates are a stack of buckets, not a single switch. Your taxable income pours in from the bottom, fills the 10% bucket, spills into the 12% bucket, and so on. Each bucket taxes only what it holds. Being pushed into a higher band therefore raises the tax on the new dollars alone — it can never reduce your take-home, which is the fear the bracket-fill ladder above is built to kill.

Take a single filer earning $85,000 with no pre-tax contributions. The $16,100 standard deduction comes off first, leaving $68,900 of taxable income. Here is where it lands:

The bill is $9,870. Applying 22% to the whole $68,900 would give $15,158, so the shortcut overstates the tax by $5,288. That first $12,400 is taxed at 10% for a minimum-wage worker and a millionaire alike — the ladder is identical for everyone, only the fill level differs.

2026 Federal Tax Brackets for Every Filing Status

Seven rates apply in 2026, unchanged in percentage from recent years but with thresholds lifted for inflation under IRS Rev. Proc. 2025-32. Every figure below is taxable income, meaning after your deduction, not gross pay.

Married filing separately is not listed because it needs no table: every threshold is exactly half the joint figure, which puts its 37% band at $384,350. Qualifying surviving spouse uses the joint schedule. Standard deductions for 2026 are $16,100 single and separate, $32,200 joint, and $24,150 head of household. Any page still showing $15,750 and $31,500 is quoting 2025.

Marginal vs Effective Tax Rate Explained

Two numbers describe the same return and they are rarely close. Your marginal rate is what the next dollar costs — the band your income currently tops out in — and it drives every decision about a raise, a side job or a 401(k) contribution. Your effective rate is total tax divided by total income, and it describes what the year actually cost you.

For the $85,000 single filer, marginal is 22% and effective is 11.6%, a gap of 10.4 points. The gap widens with income up to a point: a single filer on $150,000 pays $24,734, sitting at a 24% marginal rate and a 16.5% effective rate. A married couple on $120,000 with two children pays $5,640 — a 12% marginal rate and a 4.7% effective rate, because the credits land after the brackets are done. The Tax Foundation's summary of IRS data puts the average effective federal income tax rate at 14.1% for tax year 2023, 3.7% for the bottom half of filers and 26.3% for the top 1%.

Use the right one for the right question. Deciding whether to defer income, give to charity or take overtime is a marginal-rate question. Working out what you can afford, or comparing this year with last, is an effective-rate question. The hero panel shows both side by side, and the stat ring reports the effective rate against gross income rather than taxable income, since gross is the number on your offer letter.

How to Calculate Your Taxable Income Step by Step

Three subtractions stand between your salary and the number the brackets actually see. Start with gross income. Subtract pre-tax contributions — a traditional 401(k), a deductible traditional IRA, an HSA — to reach adjusted gross income. Subtract the larger of your standard or itemized deduction to reach taxable income. Only that last figure meets the ladder.

The order matters more than it looks. On $150,000 single, doing nothing gives $133,900 of taxable income and a $24,734 bill. Maxing the 2026 elective deferral limit of $24,500 drops AGI to $125,500 and taxable income to $109,400, and the tax to $18,854. That is $5,880 saved on a contribution you still own — an instant 24% return on the portion that came out of the 24% band, which is the highest-certainty return in personal finance.

AGI also decides more than tax. It is the figure the Child Tax Credit phaseout measures, the figure the 7.5% medical-expense floor is calculated from, and the figure that governs the SALT cap phase-down above $500,000. Lowering AGI can therefore restore credits you thought you had lost, which is why the what-if simulator reports the combined effect rather than each lever alone.

Standard vs Itemized Deduction in 2026

You get one or the other, never both, and the rule is simply to take the larger. Since the 2017 law roughly doubled the standard amount, the choice stopped being close for most people: around 12% of filers itemize today, against roughly 31% before the change. At $16,100 single and $32,200 joint for 2026, a return needs a mortgage, a high-tax state or a serious charitable year to clear the bar.

A married couple on $140,000 with $18,000 of mortgage interest, $14,000 of state and local tax and $5,000 of giving reaches $37,000 of itemized deductions. That beats the $32,200 standard deduction by $4,800 and, at their 22% marginal rate, cuts the bill from $13,140 to $12,084 — $1,056 kept for the price of filing Schedule A. The tool computes both totals whichever toggle is selected, so it flags the better one even when you have not switched.

Three limits trip people up. State, local and property tax together are capped at $40,000 for 2026, and that cap itself phases down by 30 cents per dollar of income above $500,000 until it reaches $10,000; filing separately halves every one of those figures. Medical expenses count only for the part above 7.5% of AGI, so $6,000 of bills against $85,000 of income deducts nothing at all. And charitable giving must be substantiated — the deduction is claimed on receipts, not intentions.

How Much Tax You Pay on a Raise or a Bonus

Negotiating is easier with the after-tax figure in hand. A $15,000 raise on top of $85,000 falls entirely inside the 22% band, costing $3,300 of federal income tax and leaving $11,700 — 78 cents on the dollar before Social Security, Medicare and any state tax. Crossing into a higher band changes only the portion above the threshold: a raise that pushes a single filer past $105,700 of taxable income sees just the excess taxed at 24%, while everything below stays exactly where it was.

Bonuses confuse people because withholding and liability are different things. IRS Publication 15 sets a flat supplemental rate of 22% on the first $1,000,000 of supplemental wages and 37% above it, regardless of your actual bracket. Someone in the 12% band who receives a $5,000 bonus has $1,100 withheld against $600 truly owed, and the $500 difference returns as refund. Someone in the 32% band is under-withheld on the same bonus and should expect a bill. The raise panel reports both figures so the gap is visible before the money arrives.

Child Tax Credit and Dependent Credits in 2026

Credits and deductions are not the same instrument. A deduction removes income before the brackets run; a credit removes tax after they have run, dollar for dollar. That makes a credit worth more to a low earner and a deduction worth more to a high one. For 2026, each qualifying child under 17 carries a $2,200 Child Tax Credit and each other dependent a $500 Credit for Other Dependents.

Two children take a married couple on $120,000 from $10,040 of bracket tax down to $5,640 of actual liability. Up to $1,700 per child is refundable, which is why a head-of-household filer on $20,000 with one child owes nothing and still collects $1,700 — the deduction had already wiped out the taxable income, and the refundable portion pays out anyway. The $500 other-dependent credit has no refundable component, so it can reduce tax to zero but never below it.

The phaseout is a staircase, not a slope. Above $200,000 of AGI filing single or head of household, and $400,000 filing jointly, the credit drops $50 for every $1,000 or part of a $1,000. A joint filer at $450,000 with two children has $2,500 of the $4,400 phased out, keeping $1,900. Because the trigger is AGI, a pre-tax contribution can pull you back under the threshold and recover part of the credit — one of the few places where a deduction and a credit interact directly.

Will You Get a Refund or Owe Money?

Your liability and your refund are unrelated questions. The liability is what the brackets and credits produce; the refund is just the difference between that and what your employer already sent in. A single filer on $85,000 owes $9,870, so $11,000 of withholding produces a $1,130 refund and $8,500 produces a $1,370 bill — same tax, opposite feeling in April.

IRS filing season statistics put the average refund around $3,004, with roughly 63.9% of individual returns receiving one. That is not a sign the average filer is doing well. A $3,000 refund is $250 a month that sat with the Treasury earning you nothing, and the report card grades it down for exactly that reason — accuracy scores an A, a large refund and a large bill score the same F.

Fixing it is a W-4 edit, not a tax strategy. The reverse calculator reports the withholding that lands a zero balance and divides it across 26 biweekly checks, which is the number to put in the extra-withholding line. One caution on the owing side: an underpayment above $1,000 can attract an estimated-tax penalty unless you met a safe harbor by paying at least 100% of last year's tax, or 90% of this year's.

Single vs Married Filing Jointly: Bonus or Penalty?

Marriage changes the tax bill in both directions, and which one you get depends almost entirely on how evenly the two incomes are split. Where one spouse earns much more, joint filing is a bonus: two single filers on $85,000 and $40,000 owe $9,870 and $2,620 for a combined $12,490, while the same $125,000 filed jointly costs $10,640. That is $1,850 saved, because the lower earner's unused room in the cheap bands absorbs part of the higher earner's income.

Evenly matched high earners get the penalty instead. Two single filers on $500,000 each owe $276,269 between them; the same $1,000,000 filed jointly costs $280,251, a $3,982 difference. The joint brackets double the single thresholds up to 32%, but the 35% and 37% bands do not, so two large incomes stacked together reach the top rate sooner than they would apart. The filing-status panel runs both options on your own numbers, and offers only the statuses you could actually claim — head of household needs a qualifying dependent and more than half the cost of keeping a home.

How the Tax Health Report Card Grades a Return

Six measures, each graded A to F, averaged as a GPA where A is 4 and F is 0. The efficiency dimension is deliberately relative: it compares your tax with the tax the same income would owe claiming nothing but the standard deduction, so a $400,000 earner who plans well outscores a $60,000 earner who does nothing. Grading on the raw effective rate would have punished people for earning, which measures income rather than skill.

Two rules override the bands. Contributing nothing pre-tax while sitting in the 22% band or higher is an automatic F on savings, because every dollar deferred would have saved at least 22 cents. And withholding is left out of the average entirely until you enter a figure, rather than being scored as a guess. Press E for the summary deck, which reduces the whole return to the composite grade and the three highest-value moves left on the table.

Frequently Asked Questions

What This Calculator Does Not Cover

Federal income tax only. Social Security and Medicare take another 7.65% of wages up to the wage base and are withheld separately. State and local income tax is not modelled at all, and neither is self-employment tax, the alternative minimum tax, or the 3.8% net investment income tax. Capital gains are taxed on their own preferential schedule rather than these ordinary brackets. Treat the output as an estimate for planning and confirm anything consequential with a tax professional or the IRS instructions for the year.

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