Income Tax Calculator Ontario 2021

Use this Ontario income tax calculator to estimate your 2021 tax liability. The calculator accounts for both provincial and federal taxes, as well as common deductions. This tool provides a simplified estimate - for exact tax amounts, consult a tax professional or use official government forms.

How to Use This Calculator

Enter your total taxable income for 2021 in the calculator below. The calculator will automatically compute your estimated tax liability, showing both provincial and federal tax amounts. You can also adjust for common deductions if applicable.

The results will appear in the panel below the calculator inputs. The chart visualization shows the breakdown of your tax liability by tax bracket.

How Ontario Income Tax Works

Ontario uses a progressive tax system where your tax rate increases as your income rises. The province collects provincial tax, while federal tax is collected by the federal government. The total tax you pay is the sum of both provincial and federal taxes.

In 2021, Ontario implemented several changes to its tax brackets and rates. The calculator uses the 2021 tax rates and brackets to provide accurate estimates.

2021 Ontario Tax Brackets

The 2021 Ontario tax brackets are as follows:

Provincial Tax Rates:

10.05% on the first $44,753 of taxable income
14.16% on the next $44,753 ($44,754 to $89,506)
16.80% on the next $95,507 ($89,507 to $185,013)
19.50% on the next $206,000 ($185,014 to $391,013)
21.30% on amounts over $391,013

Federal Tax Rates:

15% on the first $49,050 of taxable income
20.5% on the next $49,050 ($49,051 to $98,100)
26% on the next $59,140 ($98,101 to $157,240)
29% on the next $69,300 ($157,241 to $226,540)
33% on amounts over $226,540

Example Calculation

Let's calculate the tax for someone earning $100,000 in 2021.

Provincial Tax Calculation:

$44,753 × 10.05% = $4,499.48

($44,753 × 14.16%) = $6,344.59

($9,5507 × 16.80%) = $1,608.62

Total Provincial Tax = $4,499.48 + $6,344.59 + $1,608.62 = $12,452.69

Federal Tax Calculation:

$49,050 × 15% = $7,357.50

($49,050 × 20.5%) = $10,050.25

Total Federal Tax = $7,357.50 + $10,050.25 = $17,407.75

Total Tax = $12,452.69 + $17,407.75 = $29,860.44

For a $100,000 income, the estimated tax liability would be approximately $29,860.44.

Frequently Asked Questions

Is this calculator accurate for my specific situation?: This calculator provides an estimate based on standard tax brackets. For exact tax amounts, consult a tax professional or use official government forms.
Does this calculator account for deductions?: Yes, you can adjust for common deductions in the calculator. However, complex deductions may require professional advice.
Are the 2021 tax rates still valid for 2022?: No, tax rates and brackets change annually. This calculator uses the 2021 rates specifically for that year's calculations.
How often should I use this calculator?: You can use this calculator anytime to estimate your tax liability, but it's most useful when preparing your annual tax return.