Renewal Payment Shock Calculator Renewal Shock
See exactly how your mortgage renewal rate change affects monthly payments, annual costs, and 5-year impact. Includes an amortization extension relief scenario.
Renewal Payment Shock Calculator
See exactly how your mortgage renewal rate change affects monthly payments, annual costs, and 5-year impact. Includes an amortization extension relief scenario.
Current Monthly Payment
$2,001
New Monthly Payment
$2,477
Monthly Increase
$476
Percent Increase
23.8%
Annual Impact
$5,712
5-Year Impact
$28,562
Extended Amort Payment
$2,167
Extended Amort Length
25
Extension Monthly Savings
$310
Extra Interest from Extension
$55,655
Calculations use Canadian semi-annual compounding. Actual renewal rates depend on your creditworthiness, lender, and market conditions at time of renewal.
All calculations use Canadian semi-annual compounding per the Bank Act. These results are estimates for educational purposes only and do not constitute financial advice. Speak with a licensed mortgage broker for advice specific to your situation.
API Access for Developers & AI Agents
This calculator is available as a free JSON API. AI agents, chatbots, and developers can send mortgage data and get instant results.
POST /api/calculate/renewal-shock
{
"balance": 400000,
"oldRate": 1.89,
"newRate": 4.29,
"remainingAmort": 20
}
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