Tax Calculator

Tax calculators help you estimate what you owe or get back — sales tax and VAT, income and withholding tax, and reverse-tax lookups. Popular tools include the Sales Tax Calculator, Reverse Sales Tax Calculator, VAT Calculator, and Federal Tax Withholding Calculator.

Enter your figures for a quick estimate, or open the Trending tab to see what's in demand this week. Every calculator is free and works on any device.

  • Reverse Sales Tax Calculator
    Calculate the pre-tax amount with this Reverse Sales Tax Calculator. Input total amount including tax and tax rate to determine original price before tax was applied.
  • Sales Tax Calculator
    Enter a pre-tax amount and tax rate to see the tax amount and the total price including tax. Fast, accurate results for checkout and invoices.
  • VAT Calculator
    Enter an amount, VAT rate, and whether VAT is included to get net amount, VAT due, and gross total instantly for quick invoices and price checks.
  • Tax Bracket Calculator (US)
    Estimate your 2026 US federal income tax by bracket. Get total tax, marginal & effective tax rates, and after-tax income for single or married filers.
  • Vietnam Household Business Tax Calculator
    Estimate VAT and personal income tax for a Vietnamese household business under Decree 141/2026 and 253/2026 across four revenue bands.
  • Australia HECS-HELP Repayment Calculator
    Estimate your compulsory HECS-HELP student loan repayment in Australia for the 2024-25 year, based on your repayment income and the ATO tiered rates.
  • Net to Gross Percentage Calculator
    Convert a net amount to gross by reversing a percentage deduction. Free gross-up calculator: Gross = Net ÷ (1 − deduction%/100).
  • Tax on Fixed Deposit Interest (TDS) Calculator
    Calculate tax and TDS on fixed deposit interest in India. See gross interest, TDS deducted, total tax at your slab, and net interest after tax.
  • Hotel Occupancy / Lodging Tax Calculator
    Calculate hotel occupancy and lodging tax on your stay. Enter room rate, nights, and tax rate to see room cost, tax, and total.
  • Federal Tax Withholding (Percentage Method) Calculator (US)
    US IRS Pub 15-T percentage method calculator. Estimate federal income tax withheld per paycheck from gross wages, pay frequency, and W-4 filing status (2026).
  • France Income Tax Calculator
    Estimate French income tax (impôt sur le revenu) for 2024 using progressive brackets and the quotient familial. France only; excludes décote and social charges.
  • Singapore Income Tax Calculator (IRAS)
    Calculate Singapore resident income tax payable from your chargeable income using IRAS YA2024 progressive tax brackets. Free, fast and accurate.
  • Net Paycheck Calculator by State
    Estimate US state income tax with flat-rate, progressive bracket, or no-tax options. See your state tax, net income, and effective rate instantly.
  • Tax Deduction Savings Calculator: Marginal vs. Effective Rate
    Estimate how much tax a deduction actually saves you. Multiply your deduction by your marginal tax rate to see real savings and net cost.
  • Pass-Through Entity Tax Savings Calculator (S-Corp Salary vs Distribution)
    Estimate the self-employment tax you save with an S-Corp election (US). Compare reasonable salary vs distributions and the 15.3% SE tax avoided.
  • Sales Tax vs Income Tax Deduction Calculator
    US calculator: compare deducting state income tax vs sales tax, add property tax, and apply the $10,000 SALT cap to find your itemized deduction.
  • Marginal Tax Rate Calculator
    Find your US federal marginal tax rate (2026 brackets) plus total tax and effective rate. Enter taxable income and filing status for instant results.
  • Roth Conversion Tax Calculator
    Estimate the federal income tax on a 401(k)/IRA-to-Roth conversion (US). Enter the amount converted and your marginal tax rate to see the tax owed.
  • HSA Tax Savings Calculator
    Estimate how much you'll save in taxes by contributing to a US Health Savings Account (HSA), including federal, state, and FICA payroll savings.
  • Break-Even Interest Rate Calculator
    Compare taxable vs tax-free yields. Find the taxable equivalent yield a taxable bond must earn to beat a tax-free municipal bond at your tax rate.
  • UK Student Loan Repayment Calculator
    Estimate your UK student loan repayments by plan (1, 2, 4, 5 or Postgraduate). Income above the threshold is repaid at 9% (6% for postgrad). 2026/27 rules.
  • Paycheck Tax Withholding Calculator (US W-4 Estimator)
    Estimate US federal income tax withheld from each paycheck. Free W-4 estimator using 2026 brackets and standard deduction by filing status.
  • Self-Employment Tax Calculator (US)
    Estimate US self-employment tax (Social Security 12.4% + Medicare 2.9%) on your net profit. 2026 rules with the 92.35% adjustment and SS wage cap.
  • Tax Refund Calculator (US)
    Estimate your 2026 US federal tax refund or balance due from your income and withholding using the standard deduction and IRS tax brackets.

Frequently asked questions

What taxes can I estimate here?

Sales tax and VAT (forward and reverse), income tax and take-home pay, withholding, and other common consumer and payroll taxes.

Are these estimates official tax figures?

No. They're estimates to help you plan. Tax rules, rates, brackets, and allowances vary by country, region, and year — confirm with your tax authority or a qualified tax professional before filing.

Are the rates up to date for my location?

Enter your own local rate where a tool asks for it. Built-in rates may not reflect the latest changes in your jurisdiction, so verify the current rate.

Are these calculators free and private?

Yes — free, no sign-up, and your inputs stay in your browser; nothing is logged or shared.

Which tax calculators are most popular?

The list is ordered by usage; the Trending tab shows what's rising this week.

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