36 calculators
Tax Calculators
Estimate federal tax, marginal rates, self-employment tax and the savings from deductions.
Tax feels opaque, but the core machinery is simple: income, minus deductions, run through brackets, minus credits. These calculators estimate each step, so you can plan deductions and contributions and avoid a surprise at filing time.
Estimate your federal tax, see the gap between your marginal and effective rate, work out self-employment tax, and check that your paycheck withholding is set right.
Read the complete tax guideAll 36 tax calculators
Sales Tax Calculator Add sales tax to a price or remove it from a total. Enter a rate or pick your state to auto-fill the 2026 base rate, and see the tax and total instantly. Mileage Reimbursement Calculator Calculate your business, medical or charitable mileage deduction using the 2026 IRS standard mileage rates. 1040 Tax Calculator (Tax Year 2026) Estimate your 2026 federal income tax — the return you'll file in 2027 — using the official 2026 brackets and the $16,100 single / $32,200 joint standard deduction. 1040 Tax Calculator (Tax Year 2025) Estimate your 2025 federal income tax, the return most people file in 2026, using the 2025 tax brackets and the $15,750 / $31,500 standard deduction. 1040 Tax Calculator (Tax Year 2017) Use this 1040 tax calculator to help estimate your tax bill using the 2017 tax year's rates and rules. 1040 Tax Calculator (Tax Year 2016) Use this 1040 tax calculator to help estimate your tax bill using the 2016 tax year's rates and rules. 1040 Tax Calculator (Tax Year 2015) Use this 1040 tax calculator to help estimate your tax bill using the 2015 tax year's rates and rules. 1040 Tax Calculator (Tax Year 2014) Use this 1040 tax calculator to help estimate your tax bill using the 2014 tax year's rates and rules. 1040 Tax Calculator (Tax Year 2013) Use this 1040 tax calculator to help estimate your tax bill using the 2013 tax year's rates and rules. 1040 Tax Calculator (Tax Year 2012) Use this 1040 tax calculator to help estimate your tax bill using the 2012 tax year's rates and rules. Charitable Giving Tax Savings Calculator Use this calculator to determine your potential tax savings with a tax deductible gift to charity. This calculator sorts through the tax brackets and filing options to estimate the actual tax savings of your charitable gift. Earned Income Credit (EIC) Calculator Use this calculator to determine if you qualify for the Earned Income Credit and if so, how much it might be worth. Estate Tax Planning Calculator Knowing your potential estate tax liability is a great place to start your estate tax plan. Use this calculator to estimate your estate tax liability. Flexible Giving Account Calculator Use this calculator to see how participating in a Flexible Giving Account (FGA) can help you pay less tax, with your charitable giving. Healthcare Flexible Spending Account Tax Savings Calculator Use this calculator to see how a Healthcare Flexible Spening Account (Sectiion 125 Plan) can save you money on your income taxes. Marginal Tax Rate Calculator (Tax Year 2026) Find your 2026 marginal and effective federal tax rates from your taxable income and filing status. Marginal Tax Rate Calculator (Tax Year 2025) See your 2025 marginal and effective federal tax rates using the 2025 brackets. Marginal Tax Rate Calculator (Tax Year 2017) Use this calculator to determine your marginal and effective tax rates for tax year 2017. This calculator sorts through the tax brackets and filing options to calculate your true tax liability. Marginal Tax Rate Calculator (Tax Year 2016) Use this calculator to determine your marginal and effective tax rates for tax year 2016. This calculator sorts through the tax brackets and filing options to calculate your true tax liability. Payroll Deduction Calculator with 457 Contributions Use this calculator to help you determine the impact of changing your payroll deductions. Payroll Deductions Calculator Use this calculator to help you determine the impact of changing your payroll deductions. Payroll Deductions Comparison Calculator Use this calculator to help you determine the impact of changing your payroll deductions. Payroll Flexible Spending Account (FSA) Calculator Use this calculator to see how participating in Flexible Spending Account (FSA) contributions can help you pay less tax, and increase your net take home pay. Payroll Hourly Paycheck Calculator Use this calculator to help you determine your paycheck for hourly wages. Payroll Net to Gross Calculator Determine the gross paycheck needed to provide a required net amount. Self-Employment Tax Calculator (Tax Year 2026) Estimate your 2026 self-employment tax (Social Security + Medicare) and the deductible half, using the $184,500 wage base. Self-Employment Tax Calculator (Tax Year 2025) Estimate your 2025 self-employment tax and the deductible half, using the 2025 $176,100 Social Security wage base. Self-Employment Tax Calculator (Tax Year 2017) If you are self-employed, operate a farm or are a church employee use this calculator to determine your self-employment taxes for the current tax year. Self-Employment Tax Calculator (Tax Year 2016) If you are self-employed, operate a farm or are a church employee use this calculator to determine your self-employment taxes for 2016. Simple Federal Tax Calculator (Tax Year 2026) A fast 2026 federal income tax estimate from your income and filing status, using the 2026 standard deduction and 10–37% brackets. Simple Federal Tax Calculator (Tax Year 2025) A quick 2025 federal income tax estimate using the 2025 standard deduction and brackets, for the return you file in 2026. Simple Federal Tax Calculator (Tax Year 2017) Enter your filing status, income, deductions and credits and we will estimate your total tax for 2017. This simple calculator will help you determine your tax refund. Simple Federal Tax Calculator (Tax Year 2016) Enter your filing status, income, deductions and credits and we will estimate your total tax for 2016. This simple calculator will help you determine your tax refund. Student Loan Interest Tax Rate Calculator Use this calculator to see how higher incomes can phase-out or eliminate student loan interest deduction and the impact your tax bill. U.S. 1040EZ Tax Form Calculator (Tax Year 2017) Containing only seven required inputs, the 1040EZ is one of the quickest forms to calculate your tax bill for 2017. U.S. 1040EZ Tax Form Calculator (Tax Year 2016) Containing only seven required inputs, the 1040EZ is one of the quickest forms to calculate your tax bill for 2016.
Calculator FAQ
Which tax year do these calculators use?
Each tax calculator is labeled by tax year, because brackets, the standard deduction and limits change annually. Choose the year you are filing for, and check current figures for the latest year before relying on them.
How accurate are the tax estimates?
They apply the year's brackets and standard amounts to the income you enter, so they are solid estimates. Your actual return depends on credits, deductions and details specific to your situation.
Are these tax calculators free?
Yes, all free with no sign-up. They give estimates for planning — for filing, use official forms or tax software, or consult a tax professional.