2025 tax year · updated for current IRS figures
Tax math, without the guesswork.
40 free calculators, comparison tools, quizzes, and planners. Run the numbers on your W-2, 1099, capital gains, Roth conversion, or quarterly estimate in under two minutes.
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- Tax year2025 IRS figures
- Tools40 calculators, analyzers, planners
Income & Brackets
Figure out what you owe before filing. 2025 brackets, W-2 and 1099 income, refund projection.
Federal Income Tax Estimator
2025 brackets, W-2 + 1099 income.
Tax Bracket Analyzer
See which bracket each dollar falls into.
Marginal vs Effective Rate
Side-by-side breakdown of the two rates.
Refund Estimator & Checklist
Refund or balance due — plus a prep checklist.
Paycheck Withholding Calculator
W-4 math so April isn't a surprise.
State Income Tax Comparison
Two states, same income — who wins.
Self-Employed & 1099
Schedule C, SE tax, quarterly estimates, home office, mileage — the stack for freelancers and contractors.
Self-Employment Tax Calculator
SS + Medicare on 1099 income.
Quarterly Estimated Tax Planner
Due dates + amounts per quarter.
Home Office Deduction
Simplified vs actual-expense method.
Business Mileage Deduction
2025 IRS standard rate: $0.67/mi.
QBI (199A) Deduction Calculator
20% pass-through deduction.
Depreciation Calculator
Straight-line, Section 179, bonus.
Investing & Capital Gains
Stocks, crypto, rental property, inheritance, loss harvesting — the long-term side of your 1040.
Capital Gains Tax Calculator
Short vs long-term, 0/15/20%.
Crypto Tax Calculator
Per-lot cost basis and gain.
Tax-Loss Harvesting Calculator
Offset gains + $3,000 ordinary.
Rental Income Tax Calculator
Income minus expenses + depreciation.
Net Investment Income Tax
3.8% surtax on MAGI above threshold.
Property Tax Estimator
Mill rate × assessed value.
Deductions & Credits
Standard vs itemized, child credits, EITC, education, adoption, clean energy. The subtraction side.
Standard vs Itemized Comparison
Which deduction wins your return.
Charitable Deduction Calculator
AGI limits on cash + stock gifts.
Child Tax Credit Calculator
Up to $2,000 per kid under 17.
Earned Income Credit (EITC) Quiz
Qualify check + estimate.
Dependent Care Credit
Daycare, after-school, summer camp.
Student Loan Interest Deduction
Above-the-line up to $2,500.
Adoption Tax Credit
Up to $16,810 per child (2025).
Saver's Credit Qualifier
Up to $1,000 for retirement savings.
Solar Tax Credit Calculator
30% Residential Clean Energy Credit.
EV Tax Credit Calculator
Up to $7,500 new, $4,000 used.
Retirement & Roth
401(k), HSA, backdoor Roth, mega backdoor, conversions. Every lever tax-advantaged accounts give you.
Estate, Foreign & Special
Estate, gift, AMT, foreign income, additional Medicare — the less-common but high-stakes calcs.
Estate Tax Calculator
$13.99M federal exemption (2025).
Gift Tax Calculator
$19K annual exclusion (2025).
AMT Calculator
Alternative Minimum Tax check.
Additional Medicare Tax
0.9% on wages above threshold.
Foreign Tax Credit
Offset US tax on foreign income.
Foreign Earned Income Exclusion
Form 2555, up to $126,500 (2025).
Sales Tax Calculator
State + local combined rate.