Taxes Calculators
Last updated: September 2026
Tax Withholding Calculator
Estimate how much federal income tax should be withheld each month under the current (2020 and later) Form W-4, using 2026 tax brackets and standard deductions, your filing status, dependent credits, extra deductions, and any extra withholding you request.
Self-Employment Tax Calculator
Calculate self-employment tax — the Social Security and Medicare contributions that self-employed people pay on net business earnings, equivalent to both the employee and employer share of FICA combined.
Income Tax Calculator
Estimate your 2026 US federal income tax by entering annual gross income, filing status and your deduction.
Business Tax Calculator
Estimate the 2026 federal tax on a small business's profit by entity type — sole proprietorship, partnership, S corporation or C corporation — including self-employment or payroll tax, the owner's income tax and the 20% QBI deduction.
Sales Tax Calculator
Calculate the sales tax owed on an ecommerce purchase given the pre-tax order amount and the applicable tax rate.
Federal Income Tax Calculator
Quickly estimate your federal income tax liability using your gross income, filing status, and deductions.
Business Tax Deduction Calculator
Estimate your total allowable business tax deductions for home office use, vehicle mileage, equipment purchases, and business meals.
Quarterly Estimated Tax Calculator
Estimates your quarterly federal estimated-tax payment by applying your expected effective tax rate to expected annual income and dividing into four equal installments.
Tax Refund Calculator
Estimates your federal tax refund (or balance due) by subtracting your total tax liability from the federal income tax that has already been withheld from your paychecks during the year.
1099 Tax Calculator
Estimate federal taxes owed on freelance or contractor income reported on a 1099.
Estimated Tax Payments Calculator
Estimate your quarterly IRS tax payments to stay compliant and avoid underpayment penalties.
Roth IRA Tax Calculator
Find out how much you can contribute to a Roth IRA and what current tax you'll forgo based on your income and filing status.
IRA Tax Deduction Calculator
Determine whether your traditional IRA contribution is fully deductible, partially deductible, or non-deductible based on your income, filing status, and workplace retirement plan coverage.
Business Depreciation Calculator
Calculate the annual depreciation deduction for a business asset using straight-line, double declining balance, or MACRS methods.
IRS Penalty Calculator
Estimate IRS penalties for late filing, late payment, or underpayment of estimated taxes based on the amount owed and how many days past the deadline you are.
Property Tax Calculator
Calculate annual property tax by multiplying the home value by the mill rate and dividing by 1,000 — the standard formula used by US municipalities and many other property-tax jurisdictions.
Capital Gains Tax Calculator
Calculate capital gains tax owed on the sale of an investment given the sale price, purchase price (cost basis), and applicable tax rate.
Payroll Tax Calculator
Estimate the taxes withheld from one paycheck: Social Security, Medicare, federal income tax under the 2026 IRS percentage method (Form W-4 from 2020 or later) and a flat state rate.
Tax Bracket Calculator
Identifies your top marginal federal income tax bracket — the rate that applies to your next dollar of taxable income — based on 2026 IRS bracket thresholds and your filing status.
Estate Tax Calculator
Estimate federal estate tax owed after accounting for the lifetime exemption, marital and charitable deductions, and prior gift taxes paid.
Lottery Tax Calculator
Estimate take-home after federal and state taxes on a lottery jackpot, for either lump-sum cash or 30-year annuity payout.