Few things are as widely misunderstood as tax brackets. The common fear — that earning a bit more could push you into a higher bracket and leave you worse off — is simply not how it works. Understanding the real mechanics removes the worry and helps you plan.
TL;DR — Enter your income and filing status in the income tax calculator for an estimate of your federal tax, effective rate and take-home pay.
Brackets are marginal
US federal tax is progressive and marginal, which means each slice of your income is taxed at its own rate. The first chunk is taxed at 10%, the next at 12%, and so on. When you “enter a higher bracket,” only the dollars above that threshold are taxed at the higher rate — everything below keeps its lower rate. A raise always leaves you with more money, never less.
Marginal vs. effective rate
Your marginal rate is the bracket your last dollar lands in — useful for deciding what an extra dollar of income or a deduction is worth. Your effective rate is your total tax divided by your total income, and it is always lower than your marginal rate because your earlier income was taxed at lower rates. When people say “I’m in the 22% bracket,” their effective rate is usually well under that.
The standard deduction
Before brackets apply, most filers subtract the standard deduction from their income. Only what remains — your taxable income — is run through the brackets. This is why someone earning $60,000 is taxed on much less than $60,000.
A planning estimate, not a return
This calculator uses 2024 federal brackets and the standard deduction only. It does not include Social Security and Medicare (FICA), state or local tax, or credits, so treat it as a planning estimate rather than a tax return. Run your numbers in the income tax calculator to see your marginal and effective rates side by side.