Effective Tax Rate vs Marginal Tax Rate (2026 Examples)

What tax bracket am I in?

Your bracket is determined by taxable income, not salary. Start with gross income, subtract pre-tax contributions (401(k), HSA, cafeteria-plan premiums) and other adjustments, then subtract the standard deduction ($16,100 single, $32,200 married filing jointly, $24,150 head of household for 2026). Find the result in the bracket table for your filing status.

For 2026, single filers reach 22% above $50,400 of taxable income, 24% above $105,700 and 32% above $201,775. For married couples filing jointly the same rates start at $100,800, $211,400 and $403,550.

How to calculate your effective tax rate

Effective tax rate = total tax / total income. Use the tax after credits (Form 1040, line 24, total tax) and either gross income or AGI as the denominator. Using gross income gives the most intuitive "share of my pay" figure; using taxable income gives a higher number. Be consistent when comparing years.

Example, single, $100,000 salary, 2026: taxable income is $100,000 - $16,100 = $83,900. Tax: 10% of $12,400 ($1,240) + 12% of $38,000 ($4,560) + 22% of $33,500 ($7,370) = $13,170. Effective rate on salary: $13,170 / $100,000 = 13.2%. Marginal rate: 22%.

2026 effective vs marginal rates by income (single filer)

The table assumes wage income only, the 2026 standard deduction and no credits. Federal income tax only; Social Security and Medicare add 7.65% on wages up to $184,500.

When to use the marginal rate

Use the marginal rate for decisions about the next dollar: how much tax a raise, bonus or side gig will cost, or how much a deduction saves. A $1,000 traditional 401(k) contribution saves $220 of federal income tax for someone in the 22% bracket, not $132 (their effective rate).

Watch for "hidden" marginal rates. Phaseouts of credits and deductions raise the real rate on extra income within the phaseout range. For example, the new overtime and tips deductions shrink by $100 for each $1,000 of modified AGI above $150,000 ($300,000 joint), which adds up to roughly 10% of extra income times your bracket rate for people in that range.

When to use the effective rate

Use the effective rate to compare your overall tax burden across years or with other people, to estimate taxes on a total income figure, or to budget. If you add payroll taxes and state income tax, you get an "all-in" effective rate. A single worker earning $75,000 in 2026 pays about $7,670 in federal income tax plus $5,738 in Social Security and Medicare, for a combined federal effective rate of about 17.9%.

Common misconceptions

• "A raise into a higher bracket costs me money." False: only the dollars above the threshold are taxed at the higher rate.
• "My bracket is my tax rate." Your bracket is your marginal rate; your effective rate is much lower.
• "Bonuses are taxed at 22%." That is the flat federal withholding rate on supplemental wages. Bonuses are taxed at your regular marginal rate when you file.
• "Long-term capital gains follow the same brackets." They have their own 0%, 15% and 20% rates, stacked on top of ordinary income.

Effective rates for married couples filing jointly

Married couples filing jointly get brackets and a standard deduction that are double the single amounts (up to the 32% bracket), so their effective rates at the same household income are much lower. The table uses the 2026 $32,200 standard deduction, wage income only, and no credits. A $2,200 child tax credit per child reduces tax dollar for dollar, so a couple earning $100,000 with two children would owe $3,240 instead of $7,640, an effective rate of 3.2%, while their marginal rate stays 12%.

Your true marginal rate on wages includes payroll tax

On an extra dollar of salary you pay your income tax bracket rate plus Social Security and Medicare, so the real federal marginal rate on wages is higher than your bracket. A single worker in the 22% bracket keeps about 70 cents of each extra dollar before state tax: 22% income tax plus 7.65% FICA is 29.65%. Add a state with a 5% rate and the combined marginal rate is close to 35%.

The surprise is in the middle of the table below. Once wages pass the $184,500 Social Security wage base, the 6.2% Social Security tax stops for the rest of the year, so the combined federal marginal rate on wages drops even though income is higher. It climbs again above $200,000, when the 0.9% Additional Medicare Tax starts and the 32% bracket is near.

Marginal rates on long-term capital gains

Long-term capital gains and qualified dividends sit on top of your ordinary income and use their own rates. For 2026, a single filer pays 0% on long-term gains to the extent total taxable income stays at or below $49,450 ($98,900 married filing jointly), 15% above that, and 20% above $545,500 ($613,700 joint).

Example: a single filer has $40,000 of ordinary taxable income and sells shares for a $15,000 long-term gain. The first $9,450 of the gain fills the rest of the 0% band. The remaining $5,550 is taxed at 15%, or $832.50. The marginal rate on the gain is 15%, but the effective rate on the whole gain is only 5.5%.

Higher earners can owe the 3.8% net investment income tax as well, on investment income once modified AGI is above $200,000 ($250,000 joint). That raises the top marginal rate on long-term gains to 23.8%.

Phaseouts create hidden marginal rates

When a credit or deduction shrinks as income rises, each extra dollar costs more than your bracket suggests. The Earned Income Tax Credit is the biggest example. For 2026, a single parent with one child loses the credit between $23,890 and $51,593 of income, about 16.0% of each extra dollar. Add 7.65% FICA and a 10% or 12% income tax bracket, and that parent faces a combined marginal rate of roughly a third on a raise.

The senior deduction does the same thing higher up. It shrinks by 6% of modified AGI above $75,000 ($150,000 joint), so a retiree in the 22% bracket inside the phaseout pays an extra 1.32 points (6% x 22%) on each added dollar of income, such as an IRA withdrawal.