TaxDesk
Tax Calculators

Canadian Tax Calculators

Professional-grade tax calculators for Canadian businesses. Calculate taxes, track deadlines, and plan contributions with confidence using our up-to-date tools.

Corporate Tax Calculator
Updated for 2025
Calculate federal and provincial corporate tax liability for CCPCs and general corporations across Canada. Updated for 2025 tax rates.

Key Features:

  • CCPC & General Corp rates
  • Small Business Deduction
  • Investment income tax
  • All provinces & territories
Withholding Tax Calculator
Updated for 2025
Determine Canadian withholding tax rates on payments to non-residents based on tax treaties and payment types.

Key Features:

  • Tax treaty rates
  • Multiple payment types
  • Country-specific rules
  • Real-time calculations
Tax Deadlines Tool
Updated for 2025
Track important Canadian tax deadlines for corporate tax, GST/HST, payroll remittances, and other business obligations.

Key Features:

  • Corporate tax deadlines
  • GST/HST filing dates
  • Payroll remittances
  • Calendar export
CPP/EI Calculator
Updated for 2025
Calculate CPP and EI contributions, maximums, and stop dates based on salary and pay frequency.

Key Features:

  • 2025 contribution limits
  • Multiple pay frequencies
  • Stop date calculations
  • Detailed breakdowns

Frequently Asked Questions

Are these calculators updated for the latest tax rates?

Yes, all calculators are updated for 2025 tax rates and include the latest federal and provincial tax changes. We regularly update our tools to reflect substantively enacted legislation and CRA guidance.

Do the calculators work for all Canadian provinces and territories?

Yes, our calculators include tax rates and rules for all 10 provinces and 3 territories. Each tool automatically applies the correct rates based on your selected jurisdiction.

Can I use these calculators for tax planning?

These calculators are designed for estimation and planning purposes. While they use current tax rates and rules, you should always consult with a qualified tax professional for specific tax advice and filing requirements.

Are the results from these calculators guaranteed to be accurate?

Our calculators use the latest available tax rates and are designed for accuracy, but results are for estimation purposes only. Tax situations can be complex, and we recommend verifying results with a tax professional.

Do you store or save my calculation data?

No, all calculations are performed in your browser and we do not store or transmit your personal financial information. Your data remains private and secure.