Marginal ≠ effective
Only the dollars in each bracket are taxed at that rate. Your effective rate is usually much lower.
Read more →Interactive federal tax tools for brackets, deductions, self-employment tax, refunds, and more — clean estimates so you can plan with confidence.
Jump into the calculator that matches your question. No signup required.
See how progressive brackets apply to your income — marginal vs. effective rate at a glance.
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Compare the standard deduction to medical, SALT, mortgage interest, and charity totals.
Compare
Estimate Social Security and Medicare tax on freelance or side-hustle profit — plus the half SE deduction.
Estimate
Project refund or balance due from income, withholding, and child tax credit.
Estimate refundBuilt for clarity — not for filing your return.
Choose brackets, deductions, self-employment, refund, capital gains, paycheck, or child tax credit.
Use W-2s, 1099s, or rough annual figures. Results update live as you type.
See tax, rates, and recommendations — then dig into our guides or talk to a pro.
Short explainers that pair with the calculators.
Only the dollars in each bracket are taxed at that rate. Your effective rate is usually much lower.
Read more →Itemizing only helps if your qualified expenses beat the standard deduction for your filing status.
Read more →Freelancers pay both the employee and employer share of Social Security and Medicare — with a deduction for half.
Read more →Spot a bug, have a tool idea, or want to say hello about the site itself? Use the contact form — we don’t provide personal tax advice.