Free US Tax Calculators — 2025
Every dollar,
accounted for.
90+ calculators for federal income tax, state-by-state comparisons, retirement planning, and more.
47
Calculators
50
State Guides
2
Tax Years
State tax decisions
Which states have the lowest tax?
Rank all 50 states by effective rate at your income.
Compare any two states side by side
Federal, state, and FICA taxes compared in detail.
Calculate your savings from moving
How relocating affects your state income tax bill.
Compare job offers across states
Factor in taxes, benefits, and total compensation.
Should I move? Full tax comparison
State income tax, property tax, sales tax — see the full picture.
Popular calculators
Federal Income Tax
2024 & 2025 brackets
Paycheck Calculator
Salary & hourly
Self-Employment Tax
1099 & freelance
Capital Gains Tax
Short & long-term
Tax Refund Estimator
Quick estimate
401(k) Calculator
Retirement savings
Standard vs Itemized
Deduction comparison
Bonus Tax Calculator
Flat 22% vs aggregate
Severance Tax Calculator
Supplemental wage tax
RSU Tax Calculator
Vesting tax + withholding gap
Stock Options (ISO vs NSO)
AMT trap + qualifying vs disqualifying
ESPP Tax Calculator
§423 qualifying vs disqualifying + lookback
What do you need?
Pick the situation that matches yours.
I want to estimate my tax refund
I want to see my take-home pay
I'm self-employed or freelance
I'm planning for retirement
I want to compare two states
I sold investments or crypto
I'm buying or own a home
I got married or had a child
I received a bonus or severance
I want to see what's changing in 2026
I'm thinking about moving to another state
Should I be a W-2 employee or 1099 contractor?
I need health insurance from the Marketplace
State income tax at a glance
9
No income tax
12
Flat rate
29
Progressive
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Plan for the future
401(k) Calculator
Model contributions, employer match, and tax-deferred growth.
Roth vs Traditional IRA
Compare after-tax outcomes for both IRA types.
HSA Calculator
Triple tax advantage — contributions, growth, and withdrawals.
Student Loan Repayment
Compare SAVE, PAYE, IBR, and Standard 10-year plans.
RMD Calculator
Required Minimum Distributions from IRAs and 401(k)s.
Estate Tax Calculator
Estimate federal estate tax based on exemptions and deductions.
529 Plan Calculator
Project education savings growth with state tax deductions.
Tax insights
Tax glossary
90+ US tax terms explained in plain language.