Free Canadian Tax Tools: Calculators, Checklist & Deadlines
Use our free Canadian tax tools to estimate your income tax and take-home pay, add or remove HST, see which documents to prepare, and keep track of the key Canada Revenue Agency (CRA) deadlines for individuals, the self-employed and corporations.
Which free tax calculators can I use?
Income tax calculator
Estimate your federal and provincial tax, CPP, EI and take-home pay for 2026 in every province and territory, as an employee or self-employed.
Open the income tax calculatorHST calculator
Add or remove GST, HST and provincial sales tax on any price, with the 2026 rate for your province or territory.
Open the HST calculatorIncome tax calculator by province or territory
Which documents do I need to prepare my taxes?
Select your tax profile below to see the slips, statements and records usually needed for accurate Canadian tax preparation before your consultation. Want us to prepare it? See our tax preparation services, or file your taxes online with our remote tax filing service.
Individual & Family (T1)
For employees, families, seniors, and students filing Canadian personal income tax.
Income Slips
Deductions & Credits
Self-Employed & Sole Proprietors (T2125)
For freelancers, independent contractors, rideshare drivers, and sole proprietorships.
Income Slips
Business & Expenses
Rental Property Owners (T776)
For owners of residential or commercial rental properties located in Ontario or across Canada.
Income Slips
Business & Expenses
Corporations (T2 Filing)
For incorporated Canadian businesses, CCPCs, and holding companies.
Corporate Records
What are the key Canadian tax deadlines?
Filing on time avoids late-filing penalties and interest charges from the Canada Revenue Agency (CRA). Pick a type to see only the dates that apply to you.
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April 30
Individual T1 Tax Filing Deadline Personal
Deadline to file personal income tax returns and pay any outstanding tax balance to avoid CRA interest and penalties.
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June 15
Self-Employed T1 Filing Deadline Personal
Filing deadline for self-employed individuals and their spouses. Any taxes owed must still be paid by April 30.
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March 15, June 15, September 15 & December 15
Quarterly Tax Instalments Personal
If the CRA requires you to pay your tax in instalments, the payments are due on these four dates. Your CRA instalment reminder shows the amounts.
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First 60 Days of the Year
RRSP Contribution Deadline Personal
RRSP contributions made in the first 60 days of a year (to about March 1) can still be deducted on the previous year's return.
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June 30
TFSA Tax Return (When Tax Applies) Personal
If you owe tax on your TFSA, for example because of an excess amount, you file the TFSA return and pay the tax by June 30 of the following year.
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90 Days After Year-End (Usually March 31)
T1-OVP Return for RRSP Excess Contributions Personal
If you went over your RRSP deduction limit, the T1-OVP return and the tax on the excess are due within 90 days after the end of the calendar year.
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June 30 or 2 Years After Year-End
Section 216 Return for Non-Resident Rental Income Personal
With an approved Form NR6, a non-resident individual files a section 216 return by June 30 of the following year, even if no tax is owing. Without an NR6 the return is generally due within 2 years after the end of the year the rent was paid.
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6 Months After Fiscal Year-End
Corporate T2 Tax Return Filing Corporate
Corporations must file their T2 return no later than 6 months after the end of their corporate fiscal year.
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2 or 3 Months After Fiscal Year-End
Corporate Tax Balance Payment Corporate
Payment deadline for corporate income tax balance due, typically 3 months for eligible CCPCs claiming the Small Business Deduction, 2 months for other corporations.
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Monthly or Quarterly
Corporate Tax Instalments Corporate
Corporations pay their income tax in instalments, monthly or quarterly depending on their schedule, on the last day of each month or quarter.
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Last Day of February
T4 / T4A & T5 Filing Deadline Payroll
Employers and corporations must file T4/T4A and T5 summaries and distribute slips to employees and payees.
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15th of the Following Month (Regular Remitters)
Payroll Source Deductions Remittance Payroll
Regular remitters send the CPP, EI and income tax withheld from pay to the CRA by the 15th of the month after the pay date. Other remitter types, set by average monthly withholding, have different dates.
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Varies by Reporting Period
GST / HST Return & Remittance GST/HST
Filing frequency and deadlines depend on the reporting period the CRA assigns: monthly and quarterly filers file one month after their period ends; annual filers with a December 31 year-end generally file by April 30 (June 15 for sole proprietors), though any GST/HST owing is still due April 30.
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Within 29 Days of Passing the Small Supplier Limit
GST/HST Registration GST/HST
Once your taxable sales pass 30,000 dollars in a single calendar quarter, or over four calendar quarters in a row, you must register for GST/HST within 29 days and charge it from your effective registration date.
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6 Months After Fiscal Year-End
Ontario Corporation Annual Return Business Registry
Ontario corporations file their annual return through the Ontario Business Registry each year, within 6 months after their fiscal year-end.
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60 Days After Your Anniversary Date
Federal Corporation Annual Return Business Registry
Federal corporations file an annual return with Corporations Canada each year within 60 days after the anniversary of their incorporation, amalgamation or continuance. It cannot be filed early, and none is due for the year of incorporation.
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6 Months Before to 60 Days After Expiry
Ontario Business Name Registration Renewal Business Registry
An Ontario business name registration lasts 5 years. It can be renewed from 6 months before it expires until 60 days after. After that, the name has to be registered again.
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Usually 90 Days From the Notice Date
Notice of Objection CRA Disputes
Most notices of assessment can be disputed within 90 days of the date on the notice. Individuals have the later of 90 days and one year after the filing deadline for the return.
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Periods Ending in the Last 10 Calendar Years
Taxpayer Relief Request CRA Disputes
The CRA can cancel or waive penalties and interest for periods ending in the last 10 calendar years when something outside your control caused them.
How can I make tax filing faster and less stressful?
These simple habits help you claim every deduction you are entitled to and keep your return moving smoothly.
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Organize digital copies
Scan or download PDF copies of all T4, T5 and T3 slips, donation receipts and medical expenses before your consultation.
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Track vehicle and home office
Self-employed professionals should keep a business mileage log and a calculation of their home workspace square footage.
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File early
Filing early avoids last-minute CRA backlog delays and helps get any refund processed sooner.
Frequently asked questions
An income tax calculator for every province and territory, an HST calculator, an interactive tax preparation checklist for personal, self-employed, rental and corporate filings, and a calendar of key CRA deadlines.
They are estimates built from the rates and limits the CRA and the provinces publish for 2026. They do not see your whole return, so credits and income they do not ask about can change the result. Your CRA notice of assessment is always the final figure.
Most individuals must file by April 30. If you or your spouse or common-law partner is self-employed, the filing deadline is June 15, but any balance owing is still due by April 30.
It depends on your situation. Choose your profile in the checklist on this page to see the slips, statements and records usually needed, such as T4 and T5 slips, RRSP and donation receipts, business income and expenses, or rental records.
No. The calculators work on your own device, so nothing you type is saved or sent to us.
The income tax calculator covers all 13 provinces and territories. Newfoundland and Labrador, Nova Scotia and Quebec are marked as not fully verified until we can confirm every detail. The HST calculator covers all 13 as well.
Yes. We prepare and file personal, self-employed, rental and corporate returns. Book a free consultation and bring whatever documents you have, or file from home with our remote tax filing service.
They come from the Canada Revenue Agency's published filing and payment dates. Dates move when the CRA changes them or a deadline falls on a weekend or holiday, so confirm the date for your situation before you rely on it.
Where can I get help with my tax return or a deadline?
- Personal tax returns (T1) We prepare and file your T1, with the deductions and credits you are entitled to. Learn more
- Corporate tax returns (T2) T2 filing for incorporated businesses, from small corporations to growing companies. Learn more
- Unfiled or late tax returns Catch up on missing years and bring your filings up to date. Learn more
- GST/HST registration and filing Register, charge, report and remit GST/HST the way the CRA expects. Learn more
- Payroll services Source deductions, remittances and year-end slips, handled for you. Learn more
- Tax preparation services Support for individuals, the self-employed and businesses. Learn more
Ready to book your consultation?
Bring whatever documents you have — we’ll review your situation and let you know exactly what else is needed, no obligation.
