Max Home Price
$0
Monthly Mortgage
$0
Your Qualifying Ratios (Max 39% GDS / 44% TDS)
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What is a Home Affordability Calculator?
A Home Affordability Calculator helps you determine exactly how much house you can afford to buy based on your income, debts, and down payment. It uses standard Canadian Gross Debt Service (GDS) and Total Debt Service (TDS) ratios to calculate your maximum mortgage.
How to Use the Calculator
Enter your gross annual household income, your total down payment, and any existing monthly debt payments (car loans, student loans, credit cards). The tool will output your maximum purchase price and required monthly mortgage payment.
Frequently Asked Questions
What are GDS and TDS ratios?
In Canada, lenders use two rules to qualify you: GDS (Gross Debt Service) limits housing costs to 39% of your income. TDS (Total Debt Service) limits total debts (housing + other loans) to 44% of your income. You must pass both to get approved.
How much down payment do I need?
In Canada, homes under $500k require a 5% minimum down payment. For the portion between $500k and $1M, you need 10%. Homes over $1M require 20%. Any down payment under 20% requires CMHC mortgage default insurance.