65 Free Tools
All US Tax Calculators
Federal income tax, paycheck, capital gains, retirement planning, and more — all updated for the 2025 tax year.
State & Relocation
State Tax Ranking
Rank all 50 states by tax burden for your income level.
State Tax Comparison
Compare total tax burden between any two US states.
Should I Move?
Compare your full tax burden before and after moving states.
Moving States Calculator
How relocating affects your state income tax bill.
State Income Tax
Calculate state income tax for all 50 states — progressive, flat, and no-tax.
Job Offer Comparison
Compare two job offers by take-home pay and total compensation.
Income & Employment
Federal Income Tax
Calculate your federal income tax for the current tax year.
Paycheck Calculator
Estimate your take-home pay from salary or hourly wages.
Self-Employment Tax
Calculate self-employment tax on 1099 income.
Bonus Tax Calculator
See how your bonus is taxed — flat 22% method vs aggregate method.
Severance Tax Calculator
Calculate tax on severance pay — flat 22% vs aggregate withholding method.
Salary to Hourly
Convert between annual salary, monthly, weekly, and hourly pay.
W-4 Withholding
Get personalized W-4 form recommendations based on your income and dependents.
1099 Tax Calculator
Calculate total tax burden for freelancers and 1099 independent contractors.
Teen Summer Job Tax
Federal, FICA, and state withholding for teens and students — with W-4 exempt eligibility and parent-employer FICA exemption.
No Tax on Tips
Calculate federal tax savings on tip income under the OBBBA.
No Tax on Overtime
Calculate federal tax savings on overtime premium pay under the OBBBA.
Car Loan Interest Deduction
OBBBA auto loan interest deduction up to $10,000 for US-made vehicles.
Senior Bonus Deduction
Extra $4,000 deduction for seniors age 65+ under OBBBA.
Investments & Retirement
Capital Gains Tax
Estimate tax on investment gains — short-term and long-term.
RSU Tax Calculator
Calculate tax on restricted stock units at vesting, withholding gap, and net shares after sell-to-cover
Stock Options (ISO vs NSO)
Compare ISO vs NSO tax treatment — AMT, qualifying vs disqualifying disposition, and 83(b) election side-by-side.
ESPP Tax Calculator
Employee Stock Purchase Plan tax — §423 qualifying vs disqualifying disposition, lookback, and the FICA exemption.
401(k) Calculator
Model your retirement savings with employer match and tax benefits.
Roth vs Traditional IRA
Compare Roth and Traditional IRA for your retirement savings strategy.
HSA Calculator
Calculate HSA tax savings, contribution limits, and investment growth.
HSA Prorated Cap (Mid-Year)
Prorated HSA limit after a mid-year HDHP start, with last-month rule and testing-period guidance.
529 Plan Calculator
Project education savings growth with state tax deductions.
Tax Burden by Income
Visualize effective tax rate curves — federal, state, and FICA — across income levels.
Tax Brackets 2025
View all federal tax brackets and standard deductions by filing status.
RMD Calculator
Calculate Required Minimum Distributions from retirement accounts using IRS tables.
Early Withdrawal Penalty
Calculate the 10% penalty and income tax on early retirement account distributions.
NIIT Calculator
Calculate the 3.8% Net Investment Income Tax on capital gains and dividends.
Crypto Tax Calculator
Calculate tax on cryptocurrency trading gains, mining income, and staking rewards.
Estate Tax Calculator
Estimate federal estate tax based on estate value and exemptions.
Tax Loss Harvesting
Calculate tax savings from selling investments at a loss to offset gains.
Wash Sale Rule Calculator
Check if a stock sale triggers a wash sale and calculate adjusted basis.
Social Security Benefits Estimator
Estimate benefits from income, compare claiming ages 62-70, earnings test, and spousal/survivor strategies.
SS Benefits Taxability
Find out if 0%, 50%, or 85% of your Social Security is taxable, plus state treatment.
SEP IRA vs Solo 401(k)
Compare self-employed retirement plan contribution limits — SEP IRA vs Solo 401(k) side by side.
Compound Interest
Compare growth across tax wrappers — Roth IRA, 401(k), and taxable brokerage.
Savings Goal Calculator
How long to save $1M, or how much per month — after-tax across Roth, 401(k), and brokerage.
Inflation Calculator
CPI-U purchasing power, salary erosion, and unindexed federal threshold crossings.
Net Worth Calculator
Track assets, debts, and tax-advantaged % with personalized optimization tips.
Property & Sales Tax
Tax Planning
2026 Tax Changes
See what's changing in 2026 — updated brackets, TCJA impacts, and more.
Tax Refund Estimator
Get a quick estimate of your federal tax refund or amount owed.
Amended Return (1040-X) Impact
Estimate additional refund or tax owed from amending a prior-year return, with IRS interest and statute countdown.
Standard vs Itemized
Compare standard and itemized deductions to find the best option.
Schedule A Worksheet
Complete Schedule A itemized deduction calculator with every line item.
Charitable Donation Optimizer
Compare annual giving vs. bunching strategy, with DAF and QCD analysis.
Quarterly Estimated Tax
Calculate quarterly estimated tax payments for self-employed income.
Student Loan Repayment
Compare IDR plans — SAVE, PAYE, IBR, and Standard 10-year repayment.
AMT Calculator
Check if you owe Alternative Minimum Tax based on your deductions.
FICA & Social Security
See your Social Security and Medicare tax breakdown in detail.
Marriage Tax Calculator
See if marriage will increase or decrease your federal taxes.
Divorce Tax Impact
Model filing status change, alimony, asset division, QDRO splits, and CTC allocation.
EITC Calculator
Check eligibility and estimate your Earned Income Tax Credit.
Saver's Credit
Calculate your Retirement Savings Contributions Credit (Form 8880) for retirement savers.
Education Credits
Compare AOTC and Lifetime Learning Credit for education expenses.
Tax Year Comparison
See how your taxes changed from 2024 to 2025.
Social Security Tax
Find out how much of your Social Security benefits are taxable.
Lottery Tax Calculator
See how much you keep from lottery or gambling winnings after taxes.
Gift Tax Calculator
Check if gifts exceed annual exclusion and lifetime exemption.
Child Tax Credit
Calculate CTC and refundable Additional Child Tax Credit.
Kiddie Tax (Form 8615)
Child's unearned income above $2,700 taxed at parent's rate — with Form 8814 parent-election comparison.
Mileage Deduction
Compare IRS standard mileage rate vs actual vehicle expenses.
Home Office Deduction
Compare simplified ($5/sq ft) vs regular method for your home office.
Mortgage Interest Deduction
Estimate tax savings from mortgage interest deduction.
Rental Income Tax
Estimate taxes on rental income with depreciation and passive loss rules.
Rental Property Expenses
Complete Schedule E worksheet with 15+ expense categories and passive loss rules.
Passive Activity Loss
Form 8582 passive loss limits — $25K rental allowance, AGI phase-out, RE professional, carryforward.
Investment Interest Expense
Form 4952 deduction with LTCG election optimizer — compare scenarios to maximize your deduction.
Depreciation Calculator
MACRS depreciation schedules with Section 179 and bonus depreciation.
Tax Deadlines 2025
Key IRS filing deadlines, estimated tax due dates, and retirement contribution deadlines.
Tax Season Checklist
Interactive checklist to track your tax filing progress.
W-2 vs 1099
Compare take-home pay as employee vs independent contractor.
HSA vs FSA
Compare Health Savings Account and Flexible Spending Account side by side.
Dependent Care FSA
Compare DCFSA tax savings vs the Child and Dependent Care Tax Credit.
ACA Premium Tax Credit
Estimate your Affordable Care Act health insurance subsidy based on income and household size.
Clean Vehicle Credit
EV tax credit up to $7,500 new or $4,000 used with MSRP and income limits.
Frequently Asked Questions
What tax calculator do I need to file my return?
Start with the Federal Income Tax Calculator to estimate your total tax and refund. If you're self-employed, use the Self-Employment Tax Calculator for Schedule SE. For investment income, the Capital Gains Tax Calculator covers short-term and long-term gains.
How do I estimate my tax refund?
Use the Tax Refund Estimator to compare your total tax liability against your withholdings and estimated payments. You'll need your W-2 income, filing status, and any deductions or credits you plan to claim.
Which calculators help with retirement planning?
The 401(k) Calculator models employer match and tax-deferred growth. The Roth vs Traditional IRA tool compares after-tax outcomes. The RMD Calculator estimates Required Minimum Distributions, and the HSA Calculator shows triple-tax-advantage savings.