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Tax Calculators

Income tax, self-employment tax, sales tax, and more for individuals and businesses.

Browse all 33 tools in Tax Calculators. Each tool runs entirely in your browser with no account required.

Whether you are filing as an individual, freelancer, or small business owner, these tax calculators help you estimate federal and state taxes, plan quarterly payments, and identify deductions. All calculations use current tax year rates from official government sources.

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US Self-Employment Tax Calculator

Calculate your US self-employment tax (Social Security + Medicare) based on your net earnings, including the 92.35% taxable base and deductible half.

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US Income Tax Estimator

Estimate your income tax using current tax brackets and deduction values.. Free online, browser-based tool with instant results and no signup.

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US Quarterly Tax Payment Calculator

Calculate your estimated quarterly tax payments to avoid underpayment penalties. Perfect for freelancers and small business owners.

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US Sales Tax Calculator

Calculate sales tax by state and local rate. Covers multiple tax jurisdictions and rates.

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US Property Tax Estimator

Estimate your annual property tax based on home value, state, assessment ratio, and homestead exemption.

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US Home Office Deduction Calculator

Estimate your home office deduction using simplified and actual expense methods for side businesses and self-employment.

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UK Income Tax Calculator

Calculate UK income tax and National Insurance contributions using 2025/26 PAYE bands for England, Scotland, and Wales.

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Canadian Income Tax Calculator

Calculate Canadian federal and provincial income tax with current planning-year rates for all provinces and territories.

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VAT Calculator

Calculate VAT (Value Added Tax) for any country. Add or remove VAT from any amount with country-specific rates.

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Australia Income Tax Calculator

Estimate Australian income tax with resident/foreign taxpayer rates and optional Medicare levy.

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Singapore Income Tax Calculator

Estimate Singapore resident or non-resident personal income tax from annual chargeable income.

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UAE Income Tax Calculator

Model UAE personal income tax (0%) and optionally estimate 5% VAT impact on annual spending.

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China Income Tax Calculator (个税计算器)

Calculate Chinese Individual Income Tax (IIT) with progressive brackets, social insurance deductions, and special additional deductions.

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India Income Tax Calculator (आयकर कैलकुलेटर)

Calculate Indian income tax under both New and Old regimes with Section 80C/80D deductions, surcharge, and cess for FY 2024-25.

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GST Calculator (जीएसटी कैलकुलेटर)

Calculate India's Goods & Services Tax with CGST/SGST/IGST split across all GST slabs (5%, 12%, 18%, 28%).

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UK Self-Employment Tax Calculator

Calculate UK National Insurance contributions (Class 2 and Class 4) for self-employed workers based on net profits.

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Canada Self-Employment Tax Calculator

Calculate CPP or QPP contributions for self-employed individuals in Canada, including CPP2 on the second earnings ceiling.

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Australia Self-Employment Tax Calculator

Calculate the Australian Medicare Levy and Medicare Levy Surcharge for sole traders and self-employed workers.

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Germany Self-Employment Tax Calculator

Calculate German social insurance contributions (health, long-term care, optional pension) for self-employed freelancers.

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France Self-Employment Tax Calculator

Calculate French cotisations sociales for auto-entrepreneurs (micro-enterprise) and régime réel self-employed workers.

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Netherlands Self-Employment Tax Calculator

Calculate Dutch ZVW health contribution and social insurance premiums (AOW, ANW, WLZ) for self-employed zzp’ers.

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Singapore Self-Employment Tax Calculator

Calculate CPF MediSave contributions for self-employed individuals in Singapore based on age and net trade income.

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US Bonus Tax Calculator

Estimate federal withholding on bonuses using percentage and aggregate methods, plus state tax impact.

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LLC vs S-Corp Tax Comparison

Compare estimated tax outcomes across LLC, S-Corp, and sole proprietor structures using your projected income.

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S-Corp Reasonable Salary Calculator

Estimate a reasonable owner salary and distribution split for S-Corp planning and tax projection.

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MACRS Depreciation Calculator

Calculate depreciation schedules using MACRS methods by asset class and in-service year.

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Section 179 Deduction Calculator

Estimate Section 179 deduction limits and first-year write-off potential for business equipment.

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QBI Deduction Calculator

Estimate qualified business income deduction with income thresholds, filing status, and business type inputs.

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US Capital Gains Tax Calculator

Estimate short-term and long-term capital gains tax based on holding period, basis, and filing status.

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US Tax Bracket Calculator

Estimate effective and marginal tax rates by income level and filing status.. Free online, browser-based tool with instant results and no signup.

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US Estimated Tax Penalty Calculator

Estimate underpayment penalties for quarterly taxes using projected payments and annual liability.

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US Self-Employed Health Insurance Deduction Calculator

Estimate deductible self-employed health insurance premiums and taxable income impact.

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US Freelance Income Tax Estimator

Quickly estimate total annual tax burden for freelance and 1099 income.. Free online, browser-based tool with instant results and no signup.

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Topic Hubs for Tax Calculators

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More Ways to Explore Tax Calculators

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Latest Updates for This Category

  • Feb 26, 2026Tool comparison pages
  • Feb 26, 2026PWA support
  • Feb 26, 2026Web workers for heavy tools
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Official Sources for Tax Calculators

Tools in this category use rates and formulas from these authoritative sources.