Tools to help you prepare.

Estimate your tax refund or balance owing, and check off every document you need before your appointment.

Tax return estimator Document checklist Video guides

Your tax year

Every deadline, in order.

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January

New tax year begins

Keep receipts from day one and plan instalments for the year ahead.

Jan 1

February

Slips arrive

T4, T4A and T5 slips are due to you by the end of February.

Feb 28

March

RRSP deadline

Contributions in the first 60 days count toward last year’s return.

60 days

April

Personal returns due

Most people must file and pay any balance by April 30.

Apr 30

June

Self-employed filing

Self-employed returns are due June 15; any balance was still due April 30.

Jun 15

September

Instalment due

Quarterly instalments: March 15, June 15, September 15 and December 15.

Sep 15

December

Year-end planning

Last chance for donations, RRSP-eligible moves and business purchases this year.

Dec 31

Tax refund estimator

Will you get a refund or owe tax?

Estimate your Ontario personal tax for 2023–2026 using the CRA's official rates for each year. Takes less than a minute.

Tax year Marital status Employment income T4 box 14 Other fully taxable income interest, pension, EI, net rental RRSP / FHSA deductions Income tax already deducted T4 box 22 + other slips

For the Ontario Trillium Benefit

Rent paid in Ontario total for the year Property tax paid if you own your home

Payroll deductions

CPP was deducted from my pay (uncheck if CPP-exempt) EI was deducted from my pay (uncheck if EI-exempt)

Canada Workers Benefit

I was 19 or older and not a full-time student for more than 13 weeks Advance CWB payments received RC210 slip, box 10

For Ontario residents under 64 with no children, who lived in Canada all year. Uses the CRA's official rates and amounts for each year.

Enter your income to see your estimate$0Tax year 2025

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Estimate only, not tax advice. Includes federal and Ontario tax, CPP/EI credits, Ontario tax reduction, LIFT credit, Ontario Health Premium, the Canada Workers Benefit (less any advance payments), the GST/HST credit (Canada Groceries and Essentials Benefit) and the Ontario Trillium Benefit. Not included: other credits (tuition, medical, donations, dependants, age, pension, disability), children, seniors' amounts, self-employment, capital gains and dividends. 2026 benefit amounts use the latest published rates until the CRA releases new ones.

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