Income Tax Calculator Ontario Canad 2018
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Reviewed by Calculator Editorial Team
Calculate your estimated 2018 Ontario income tax using this official tax calculator. This tool provides an estimate of your tax liability based on your income, deductions, and credits for the year. For exact tax calculations, consult a tax professional or use official government resources.
How to Use This Calculator
To use this income tax calculator for Ontario in 2018:
- Enter your total taxable income for the year in the "Taxable Income" field.
- Select your filing status from the dropdown menu (Single, Married, or Other).
- Click the "Calculate" button to see your estimated tax liability.
- Review the breakdown of your tax calculation in the results section.
- Use the chart to visualize your tax liability compared to your income.
The calculator uses the 2018 Ontario tax rates and brackets. For the most accurate results, ensure you enter your exact taxable income after deductions.
Formula Used
The Ontario income tax is calculated using progressive tax brackets. The formula is:
Tax Calculation Formula
Tax = Sum of (Taxable Income × Tax Rate for each bracket)
Where each bracket has a specific tax rate applied to the portion of income within that bracket.
The 2018 Ontario tax brackets are as follows:
| Taxable Income | Tax Rate |
|---|---|
| $0 - $44,703 | 5.05% |
| $44,704 - $89,407 | 9.15% |
| $89,408 - $150,000 | 11.16% |
| $150,001 - $220,000 | 12.16% |
| Over $220,000 | 13.16% |
This calculator applies these rates to your taxable income to determine your estimated tax liability.
Worked Example
Let's calculate the tax for a single filer with a taxable income of $60,000 in 2018.
- First $44,703 at 5.05%: $44,703 × 0.0505 = $2,267.92
- Next $15,297 ($60,000 - $44,703) at 9.15%: $15,297 × 0.0915 = $1,400.00
- Total tax: $2,267.92 + $1,400.00 = $3,667.92
Using the calculator with these inputs would show an estimated tax liability of $3,667.92.
Frequently Asked Questions
Is this calculator official?
This calculator provides an estimate based on the 2018 Ontario tax rates. For official tax calculations, consult the Canada Revenue Agency or a tax professional.
How accurate is this calculator?
This calculator provides a close estimate of your tax liability. However, actual tax calculations may vary based on your specific circumstances and deductions.
Can I use this for my 2018 tax return?
This calculator is intended for estimation purposes only. Always verify your tax return with official government resources or a tax professional.