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Debt service calculator

Compare your monthly debt payments and housing expenses to your gross household income.

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Step 1 - Gross Annual Income

Did You Know?

Mortgage professionals use 2 main ratios to decide if borrowers can afford to buy a home: Gross Debt Service (GDS) and Total Debt Service (TDS). This calculator will give you both.



  • GDS is the percentage of your monthly household income that covers your housing costs. It must not exceed 39%.

  • TDS is the percentage of your monthly household income that covers your housing costs and any other debts. It must not exceed 44%.

For more information on these calculations, including guidance on which rental income to include in your household income, see Calculating GDS and TDS

×

Step 2 - Monthly Housing Expenses

Did You Know?

You need to enter the expenses for the home you would like to purchase, not for your current living situation.

If you don’t know the monthly mortgage payment for the home you would like to purchase, use our Mortgage calculator.

×

Step 3 - Monthly Debt Payments

Did You Know?

Unlike your Gross Debt Service ratio (GDS), your Total Debt Service ratio (TDS) includes monthly debt payments that are unrelated to housing expenses. ×

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Date Published: March 31, 2018

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