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1. Calculation

Use this free calculator to calculate child support according to the Canadian Child Support Guidelines. Simply enter your information in the form below and click the "calculate" button to view the support calculation.

To calculate spousal support & child support together, use the child & spousal support calculator.

For more information on how to correctly calculate child support and the relevant legal issues, visit the child support help center.

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Saved Calculations
Saved Calculations
Save & edit calculations
Calculation Title

Name your calculation something descriptive (i.e. "High Income Support" or "Shared Parenting Support").

Create a free account to save your calculations
Create a free account to save your calculations
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Options
Options
Calculation settings

Upgrade to customize your support calculation settings using the options below.

To calculate spousal support, use the spousal support calculator.
2021
The tax year used to calculate child support (if applicable), taxes and benefits.
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2. Background

Some background information is required to calculate support. For example, support payments can vary significantly by province. If you wish to generate an anonymous report, you may use a pseudonym or placeholder name.

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You
Age 0 / AB / S
Alberta
The province or territory this person primarily resides in.
Alberta
*Real name optional. Feel free to use a pseudonym. Used to customize your report.
*Optional. Used to customize your report.
*Optional. Used to customize your report.
*Optional. Age is a factor in calculating tax and spousal support, but not child support.
+ Show more options forYou
(new partner, northern/rural resident, disability)
Remarried or new common law-partner? This can affect tax calculations.
Eligible for Northern Residents tax deduction? This can affect tax calculations.
Eligible for Climate Action Supplement for residents of rural and small communities?
Eligible for Disability Tax Credit and other disability-related benefits or credits?
Close
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Ex
Age 0 / AB / S
Alberta
The province or territory this person primarily resides in.
Alberta
*Real name optional. Feel free to use a pseudonym. Used to customize your report.
*Optional. Used to customize your report.
*Optional. Used to customize your report.
*Optional. Age is a factor in calculating tax and spousal support, but not child support.
+ Show more options forEx
(new partner, northern/rural resident, disability)
Remarried or new common law-partner? This can affect tax calculations.
Eligible for Northern Residents tax deduction? This can affect tax calculations.
Eligible for Climate Action Supplement for residents of rural and small communities?
Eligible for Disability Tax Credit and other disability-related benefits or credits?
Close
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3. Children

Dependent children of the relationship are listed below. Select the appropriate parenting relationship and add any special child-related expenses.

If the child spends 60% or more time with a parent, that parent is the "primary" parent. If the child spends more than 40% of time with both parents, select "shared" parenting.

Special Child-Related Expenses (s. 7 Expenses)

Enter the total annual amount of all special child-related expenses (including tax), such as private school or tutoring, daycare, orthodontics and similar out-of-pocket costs.

Total Expenses: $0

These expenses are apportioned based on the income of each parent, adjusted for child support payments.

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4. Income

Enter all recurring sources of income for both you and your ex. Include both taxable and non-taxable income. For example, include: employment, pension, self-employment, and dividend income. For many people, this information can be copied from the "Total Income" page of their last T1 tax return.

Your Income
T4 Employment
T4 Employment
Employment income for which you receive a T4. Reported on line 10100 of your tax return, less any amounts included in lines 10105, 10120 or 10130 which should be entered separately.
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 Total Income:  $0*
*Line 15000 on T1 Tax Return
Adjust Guideline Income
Adjustments to Line 15000 Total Income may be required to calculate support. Schedule III of the Child Support Guidelines lists most of the adjustments. These include deducting employment-related expenses, business losses, capital gains (the calculator handles this automatically) and other adjustments listed in the dropdown below. Visit the help centre for more information.
No Adjustments Entered
 Total Adjustments: $0
 Guideline Income: $0
Claim Undue Hardship
Enter undue hardship claims below. For more information on when and how to claim undue hardship, visit the help centre.
Undue Hardship Claim: $0
Ex's Income
T4 Employment
T4 Employment
Employment income for which you receive a T4. Reported on line 10100 of your tax return, less any amounts included in lines 10105, 10120 or 10130 which should be entered separately.
Close
 Total Income:  $0*
*Line 15000 on T1 Tax Return
Adjust Guideline Income
Adjustments to Line 15000 Total Income may be required to calculate support. Schedule III of the Child Support Guidelines lists most of the adjustments. These include deducting employment-related expenses, business losses, capital gains (the calculator handles this automatically) and other adjustments listed in the dropdown below. Visit the help centre for more information.
No Adjustments Entered
 Total Adjustments: $0
 Guideline Income: $0
Claim Undue Hardship
Enter undue hardship claims below. For more information on when and how to claim undue hardship, visit the help centre.
Undue Hardship Claim: $0

Once all sources of income are entered for both parties, review estimated tax credits and benefits below.

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5. Tax & Benefits

The calculator automatically calculates the credits and benefits you and your spouse are likely to receive. However, you may need to enter additional credits, deductions or benefits, or override automatically calculated benefits.

Add or override any tax amounts that are not automatically calculated using the form below.

Your Tax Credits & Benefits
Click on a credit for more information.
Canada federalCreditsCanada Tax Credits
Calculate support to view benefits, credits & deductions
Add Federal Credits
Alberta provincialCreditsAlberta Tax Credits
Calculate support to view benefits, credits & deductions
Add Provincial Credits
Click on a deduction for more information.
Canada federalDeductionsCanada Tax Deductions
Calculate support to view benefits, credits & deductions
Add Federal Deductions
Alberta provincialDeductionsAlberta Tax Deductions
Calculate support to view benefits, credits & deductions
Add Provincial Deductions
Click on a benefit for more information.
Canada federalBenefitsCanada Benefits
Calculate support to view benefits, credits & deductions
Add Federal Benefits
Alberta provincialBenefitsAlberta Benefits
Calculate support to view benefits, credits & deductions
Add Provincial Benefits
Ex's Tax Credits & Benefits
Click on a credit for more information.
Canada federalCreditsCanada Tax Credits
Calculate support to view benefits, credits & deductions
Add Federal Credits
Alberta provincialCreditsAlberta Tax Credits
Calculate support to view benefits, credits & deductions
Add Provincial Credits
Click on a deduction for more information.
Canada federalDeductionsCanada Tax Deductions
Calculate support to view benefits, credits & deductions
Add Federal Deductions
Alberta provincialDeductionsAlberta Tax Deductions
Calculate support to view benefits, credits & deductions
Add Provincial Deductions
Click on a benefit for more information.
Canada federalBenefitsCanada Benefits
Calculate support to view benefits, credits & deductions
Add Federal Benefits
Alberta provincialBenefitsAlberta Benefits
Calculate support to view benefits, credits & deductions
Add Provincial Benefits

denotes amounts that have been manually added by the user
denotes amounts where the default value has been overridden by the user

Tax credits and benefits are relevant to the determination of s. 7 child support (i.e. apportionment of special child-related expenses), as well as spousal support.

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6. Results

Click the "calculate" button to run the calculation and view your results. By clicking "Calculate" you confirm that you have reviewed and accepted the terms of use and privacy policy.

For more information on how support is calculated, visit the help centre.