Income Tax Calculator

Progressive income tax using bracket thresholds you control.

Progressive tax systems apply rising rates to successive bands of income. A common misconception is that entering a higher bracket taxes all your income at that rate — it does not. Only the portion inside each band is taxed at that band's rate.

Marginal versus effective rate

Your marginal rate is what the next dollar earned would be taxed at. Your effective rate is total tax divided by total income, and it is always lower in a progressive system.

Someone in the 24% bracket typically pays an effective rate near 14–17%, because their earlier income was taxed at 10%, 12% and 22% on the way up.

A raise never reduces take-home pay through brackets alone. It can, however, phase out specific credits — that is a separate mechanism worth checking.

Deductions versus credits

Credits are worth substantially more per dollar. Refundable credits can pay out beyond your liability; non-refundable ones only reduce it to zero.

DeductionCredit
ReducesTaxable incomeTax owed
Value of $1,000Your marginal rate — $220 at 22%The full $1,000
Benefits mostHigher earnersAll taxpayers equally

Standard or itemized

You take whichever is larger. Itemizing only helps when qualifying expenses — mortgage interest, state and local taxes up to the cap, charitable giving, large medical costs — exceed the standard deduction.

Since the standard deduction was roughly doubled in 2018, the large majority of US filers take it.

Legitimate ways to lower the bill

  • Contribute to traditional 401(k) and IRA accounts — contributions reduce taxable income now.
  • Use an HSA if eligible: deductible going in, tax-free growth, tax-free withdrawals for medical costs.
  • Harvest investment losses to offset gains, up to $3,000 of ordinary income per year in the US.
  • Hold appreciated assets beyond twelve months to access long-term capital gains rates.
  • Bunch charitable donations into alternating years so itemizing clears the standard deduction.

Worked example

Using the values pre-loaded in the calculator above:

InputValue
Gross annual income ($)90000
Tax year2026
Filing statusSingle
Deductions ($)16100
Tax credits ($)0
OutputValue
Income tax owed$10,970.00
Taxable income$73,900.00
Tax before credits$10,970.00
Credits applied$0.00
Marginal rate22%
Effective rate on gross12.19%
After-tax income$79,030.00

Frequently asked questions

Will a raise push me into a higher bracket and cost me money?

No. Only the income above the threshold is taxed at the higher rate. Your take-home always rises. Credit phase-outs can create narrow exceptions, but brackets themselves never do.

What is the difference between marginal and effective rate?

Marginal is the rate on your next dollar. Effective is total tax divided by total income. Effective is always the lower of the two in a progressive system.

Why are the brackets editable in this calculator?

Thresholds change annually and differ by filing status and country. Editable bands let the tool work for any jurisdiction and stay correct as figures are updated.

Does this include payroll taxes?

No. This calculates income tax on the bands you enter. Social Security and Medicare are handled separately in the Take-Home-Paycheck Calculator.