CA Tax Tools

Home Affordability Calculator

Enter your income, down payment, and debts to see how much home you can afford under Canadian mortgage rules. Uses GDS (39%) and TDS (44%) ratios plus the OSFI stress test rate of max(5.25%, contract rate + 2%).

01INPUTS

Your Finances

02RESULTS

Affordability Results

Max Purchase Price

$456,675

Monthly Payment

$2,314

GDS Ratio

32.0%

Limit: 39%

TDS Ratio

38.0%

Limit: 44%

CMHC premium: $11,387 (added to mortgage)

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Last updated May 14, 2026Tax year 2026

Data sources: CRA (canada.ca)

This tool is general information only, not financial advice.

Reviewed by CA Tax Tools Editorial Desk

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