Find simple US tax tools for federal income tax, state tax, paycheck withholding, FICA, deductions, 401(k), salary planning, and home-related tax decisions in one focused hub.
Whether you're evaluating a job offer, planning for tax season, buying a home, or adjusting retirement savings, these calculators help you estimate the US numbers that most affect take-home pay and monthly budget.
All tools run in your browser—your inputs stay on your device. Free to use; optional ads may appear elsewhere on the site.
US salary calculator 2026: estimate take-home pay after federal, state, FICA, and paycheck deductions for all 50 states. Convert annual, monthly, biweekly, weekly, and hourly pay.
Free income tax calculator 2026. Federal & state rates for all 50 states. Effective vs marginal rate, FICA. Perfect for tax planning.
Free 401k calculator 2026. Employer match, contribution limits, catch-up. See retirement readiness & 4% rule income.
No standalone SE tax tool yet. The income tax calculator helps you work through federal rates; use IRS rules for the full 15.3% self-employment tax on net earnings.
Open income tax calculator →Calculate monthly mortgage payment with principal, interest, taxes, insurance, PMI, FHA/VA options, and amortization. Educational estimate for homebuyers.
Calculate how extra monthly, biweekly, or lump-sum mortgage payments can reduce your payoff period and interest cost.
Calculate how much house you can afford based on income, debts, down payment, and mortgage rates. Determine maximum home price and monthly payment within your budget.
Calculate compound interest on investments with daily, monthly, quarterly, or annual compounding. See how your savings grow over time with interest-on-interest calculations and detailed charts.
Estimate investment growth, future value, monthly contribution impact, lump sum returns, and compound interest for long-term goals.
Start with the US Salary Calculator if you want paycheck withholding or take-home pay. Use the Income Tax Calculator for annual federal and state tax estimates, then use retirement, mortgage, and deduction tools for narrower planning questions.
Paycheck withholding starts with gross wages, filing status, pay frequency, federal income tax, state income tax where applicable, Social Security, Medicare, and paycheck deductions. Use our US Salary Calculator for a state-by-state breakdown.
Several US calculators include state-level inputs where supported, including paycheck and income tax estimates. State tax rules vary, so confirm the selected state and review official guidance for filing decisions.
Pre-tax deductions such as traditional 401(k), some health premiums, and HSA contributions may reduce taxable wages for some taxes. Roth contributions and many post-tax deductions reduce take-home pay but usually do not lower current taxable income.
No. These tools are educational estimators for planning paycheck withholding, income tax, retirement contributions, deductions, and home affordability. They do not file returns or replace IRS forms, payroll systems, or professional tax advice.
A common rule is to keep your monthly housing costs below 28% of your gross monthly income. Use our Home Affordability Calculator to get a precise answer based on your income, debts, down payment, and current mortgage rates.
Most financial advisors recommend contributing at least enough to get your full employer match (typically 3–6% of salary), then increasing to 15% of gross income including the match over time. The 2026 contribution limit is $23,500.
If you earn $400 or more in net self-employment income in a year, you owe self-employment tax (15.3% on net earnings). You can deduct half of SE tax from your gross income when calculating your federal income tax.