US Income Tax Calculator
Calculate your 2026 federal income tax using the latest IRS tax brackets. Understand your marginal and effective tax rates, deductions, and take-home pay. Includes FICA taxes (Social Security at 6.2% and Medicare at 1.45%).
Free Online Calculators for the United States
Tailored for US residents — tax brackets, 401k, mortgage rates, and more
US Mortgage Calculator
Plan your home purchase with US mortgage rates (~6.8% in 2026). Calculate monthly payments for 30-year and 15-year fixed-rate mortgages, view amortization schedules, and estimate total interest. Factors in property taxes and PMI.
401k & Retirement Calculators
Plan your retirement savings with 401k contribution limits ($23,500 for 2026, $7,500 catch-up for 50+). Model employer matches, Roth vs Traditional contributions, and projected growth. Also estimate Social Security benefits at different claiming ages.
Student Loan Calculator
Calculate federal student loan repayment under different IDR plans (SAVE, PAYE, IBR). Estimate monthly payments, total interest paid, and payoff timelines. Useful for planning PSLF or standard 10-year repayment strategies.
More US Financial Tools
Additional calculators for US residents covering HSA contributions, paycheck calculations, budgeting, emergency funds, and personal finance planning.
About US Calculators on CalcMaster
CalcMaster provides free, accurate financial calculators designed for US residents. Our tools use current IRS tax brackets (2026), FICA rates, and up-to-date market data. Whether you're planning for retirement with a 401k, managing HSA contributions, or calculating your federal income tax under the latest tax code, our calculators give you instant, reliable results.
All calculations are performed locally in your browser — no data is sent to any server. Use these tools to make informed decisions about your finances, from 30-year fixed mortgages at current rates to Social Security benefit projections.
Last updated: March 2026