Tax guides for 2025-2027

Answer the most searched tax questions with focused guides that connect you to the best TaxGuide Pro calculators.

Child Tax Credit 2026: Amount, Income Limits, and Refundable Credit

See the 2026 Child Tax Credit amount, ACTC refundable limit, income phaseout, qualifying-child rules, examples, and an eligibility calculator.

Gift and Estate Tax Limits for 2026

Find the 2026 annual gift exclusion, $15 million estate and lifetime gift exclusion, noncitizen-spouse limit, Form 709 rules, and examples.

Capital Gains Tax Thresholds for 2026

See the 2026 long-term capital gains 0%, 15%, and 20% taxable-income thresholds by filing status, plus NIIT limits and planning examples.

Bonus Tax Rate Explained: 2026 Withholding Rules

Learn why 2026 bonus withholding is often 22%, when the 37% supplemental-wage rate applies, how payroll taxes work, and why withholding is not final tax.

State tax comparisons for 2026

Compare income, sales, and property tax across commonly considered state pairs.

Best tax refund calculators for 2026

Compare refund estimators for federal refund and balance-due planning.

Best W-4 withholding calculators for 2026

Find the right calculator for W-4 changes and paycheck withholding.

Best tax deduction calculators for 2026

Compare deduction calculators for Schedule 1-A, HSA, itemizing, and business deductions.

Best self-employed tax calculators for 2026

Compare calculators for SE tax, 1099 income, and quarterly payments.

Best state tax calculators for 2026

Choose state income, paycheck, refund, and official agency tools.

Best retirement tax calculators for 2026

Compare Roth, traditional, Social Security, RMD, and conversion tools.

Tax refund estimator guide

Estimate refunds and adjust withholding before you file.

W-4 withholding calculator guide

Update your W-4 and align paycheck withholding with your goals.

Tax brackets 2025-2027 guide

Find your bracket and plan income timing and deductions.

Standard vs itemized deduction guide

Compare deductions to lower taxable income.

Capital gains tax guide

Estimate capital gains and optimize sell timing.

Self-employment tax guide

Plan 1099 taxes, deductions, and quarterly payments.

Child Tax Credit guide

Check eligibility and estimate credit value.

EITC eligibility guide

Confirm Earned Income Tax Credit requirements.

Estimated taxes guide

Avoid penalties by planning quarterly payments.

Retirement taxes guide

Estimate taxes on contributions, withdrawals, and Social Security.

IRS notices glossary

Decode IRS letters and plan your next steps.

Tax deadlines calendar

Track quarterly payments and filing windows.

Roth vs Traditional guide

Compare Roth and Traditional retirement taxes.

LLC vs S-Corp guide

Compare entity tax outcomes for business owners.

1099 vs W-2 guide

Understand contractor vs employee tax differences.

2026 state income tax guides

Each state guide includes a direct rate answer, three calculator-verified income examples, marginal and effective rate context, sales and property tax benchmarks, official sources, and links to the state calculators.

How to use these tax guides

Start with a guide when you need to understand the rule, compare approaches, or choose the right calculator. Then open the linked tool for a numerical estimate and verify material figures with the primary IRS or state sources cited on that page. Guides explain planning concepts and common mistakes; they do not prepare a return or replace advice based on your complete facts.