Free calculators for your website
Put our calculators on your own site with one line of code. They run in your visitor's browser, use dated Canadian rules, resize themselves, and keep a small "Powered by" link. No account, no tracking.
Figures as of 2026-11-02.Add these calculators to your website for free. They run in the visitor's browser, use MortgagePreApprovals.ca's dated Canadian rules, resize themselves, and keep a small "Powered by" link. Good for: Realtors and brokerages, Bank and credit union reps, Insurance advisors, Personal-finance writers.
- No account or key. Copy the one-line script or the iframe.
- No tracking of your visitors; calculator inputs stay in their browser.
- Optional accent colour to match your site.
- Please don't remove the "Powered by" link or present the tool as your own advice.
Mortgage pre-approval readiness check
Every lender test against a target price, with the deciding number and the fix, plus the maximum price.
Cash to close
Down payment plus land transfer tax, premium sales tax and fees, by city.
FHSA and Home Buyers' Plan
FHSA growth, tax refunds and HBP withdrawals toward the down payment.
Pre-approval amount
The most the stress test and down-payment rules allow, what limits you, and 25 vs 30 years.
Rate-hold countdown
Your expiry date, days left, and the payment at held vs today's rate.
What could break it
New debt, a rate rise, less income or a low appraisal, tested against your offer.
Document checklist
Only the documents that apply to you, printable.
Pre-approval letter reader
Your letter, read: hold expiry, closing fit, conditions to clear, what voids it.