★ AFFORDABILITY CALCULATOR · GDS / TDS / STRESS TEST
How much home? After the stress test.
Canadian banks qualify you at your contract rate +2% (or 5.25% floor — whichever is higher). This calculator shows BOTH numbers: what you can afford on paper vs what you actually qualify for. Powered by real GDS/TDS ratios used by every Canadian lender.
MAX HOME (AFTER STRESS TEST + OTHER COSTS · QUALIFYING 7.25%)$418,956
MAX MORTGAGE$338,956
MAX MONTHLY PAYMENT$2,450
WITHOUT STRESS TEST (contract rate)$639,034
STRESS TEST LOWERS YOUR PURCHASING POWER−$95,563
OTHER COSTS LOWER IT FURTHER−$124,515
★ CHART 1 · GDS / TDS LIMITS ★
Are you within bank ratios?
GDS · Gross Debt ServiceHousing costs ÷ gross income · max 39%
39%
25.8%
TDS · Total Debt ServiceAll debts ÷ gross income · max 44%
44%
30.3%
★ CHART 2 · STRESS TEST IMPACT ★
What the 2% buffer takes away
WITHOUT STRESS TEST$639,034Contract rate · 5.25%
THE DIFFERENCE−$95,563What stress test costs you
WITH STRESS TEST$543,471Qualifying rate · 7.25%
B-20 stress test rule (federal) — every insured AND uninsured Canadian mortgage must qualify at the higher of contract rate +2% OR 5.25%. Knocks an avg 20-25% off your max home price.