TaxMint 2025 Tax Estimator
Canadian Personal Income Tax Calculator (T1 General)
For a guaranteed accurate return, please file with TaxMint.
How to Use This Calculator
Estimate Your 2025 Tax Refund with TaxMint
Planning for tax season? Use the TaxMint Advanced Ontario Tax Estimator to get a preview of your 2025 tax liability or potential refund. This tool is designed specifically for Ontario residents and includes the latest 2025 CRA brackets, the Ontario Health Premium, and the new federal tax cuts.
What You Will Need: To get the most accurate estimate, grab your recent pay stubs or tax slips. Here is a quick guide to the fields:
- Employment Income: Found in Box 14 of your T4 slip.
- RRSP Contributions: Total contributions made between March 2025 and February 29, 2026.
- FHSA: If you opened a First Home Savings Account, enter your deductible contributions here (up to $8,000).
- Union Dues: Found in Box 44 of your T4.
- Tuition Fees: Enter the total eligible fees from your T2202 slip. (Note: This calculator applies the Federal tax credit. Ontario eliminated the provincial tuition credit in 2017).
- Tax Deducted: This is crucial for calculating your refund! Check Box 22 on your T4.
Note: This tool calculates the “General” tax situation. For complex filings—including rental properties, business expenses, or split income—please Book an Appointment with us for a guaranteed accurate return.

