Income Tax Refund Calculator Ontario 2018

Use this Ontario income tax refund calculator to estimate your tax return for the 2018 tax year. The calculator follows the 2018 Ontario tax rates and provides a clear breakdown of your potential refund.

How to Use This Calculator

To calculate your Ontario income tax refund for 2018:

Enter your total taxable income for 2018 in the "Taxable Income" field.
Select your filing status (Single, Married, or Common Law).
Click the "Calculate" button to see your estimated refund.

The calculator will show you:

Your federal tax amount
Your Ontario provincial tax amount
Your total tax paid
Your estimated refund amount

Note: This calculator provides an estimate. Your actual refund may vary based on your specific circumstances and any additional deductions or credits you qualify for.

How Ontario Income Tax Refund Works

An Ontario income tax refund occurs when the Canada Revenue Agency (CRA) determines that you've paid more in taxes than you're entitled to. This can happen if:

You claimed too many deductions or credits
You paid taxes in a previous year that should have been applied to the current year
You had a refund from a previous year that was incorrectly applied

The process typically involves:

Filing your tax return
Receiving a notice from the CRA
Requesting a refund review if you disagree with the amount
Receiving your refund by mail or direct deposit

Refund Amount = Total Tax Paid - Tax Owed

Ontario Tax Brackets 2018

The 2018 Ontario tax rates are progressive, meaning your tax rate increases as your income increases. Here are the federal and provincial tax brackets for Ontario:

Federal Tax Rates

Taxable Income	Tax Rate
$0 - $47,630	15%
$47,630 - $95,259	20.5%
$95,259 - $147,667	26%
$147,667 - $210,371	29%
$210,371+	33%

Ontario Provincial Tax Rates

Taxable Income	Tax Rate
$0 - $44,753	5.05%
$44,753 - $89,506	9.15%
$89,506 - $150,000	11.16%
$150,000 - $220,000	12.16%
$220,000+	13.16%

Note: These rates are for 2018. Tax rates may change in subsequent years. Always consult the latest tax guidelines or a tax professional for current information.

Example Calculation

Let's calculate a refund for someone with $50,000 taxable income, filing as Single:

Federal Tax Calculation

$0 - $47,630: $47,630 × 15% = $7,144.50

$47,630 - $50,000: $2,370 × 20.5% = $485.35

Total Federal Tax: $7,144.50 + $485.35 = $7,629.85

Ontario Provincial Tax Calculation

$0 - $44,753: $44,753 × 5.05% = $2,263.92

$44,753 - $50,000: $5,247 × 9.15% = $479.26

Total Provincial Tax: $2,263.92 + $479.26 = $2,743.18

Total Tax Paid

$7,629.85 (federal) + $2,743.18 (provincial) = $10,373.03

Estimated Refund

If the tax owed was $9,500 (based on previous year's taxes), the refund would be:

$10,373.03 - $9,500 = $873.03

This example shows a simplified calculation. Actual refunds depend on your specific tax situation and any additional deductions or credits you may qualify for.

Frequently Asked Questions

How long does it take to get an Ontario income tax refund?

The processing time for a tax refund can vary. Typically, it takes about 4 to 6 weeks after the CRA receives your tax return. If you filed electronically, you may receive your refund faster.

Can I get a refund if I didn't file my taxes?

Yes, you can still claim a refund if you didn't file your taxes. The CRA may have overpaid your taxes in previous years. You should file your tax return to claim any refund you're entitled to.

What should I do if I disagree with my refund amount?

If you disagree with your refund amount, you can request a review by contacting the CRA. You may need to provide additional documentation to support your claim. The CRA will review your case and make a final determination.

Are there any deductions or credits that can increase my refund?

Yes, there are various deductions and credits that can increase your refund. Common ones include the Canada Child Benefit, the Canada Pension Plan (CPP) contributions, and various provincial credits. Make sure to claim all eligible deductions and credits on your tax return.