The MITEY Toolbox
22 calculators from the MITEY network's shared engines, in one place: insurance, stress test, penalties, refinancing, renewals, HELOCs, property tax and more. Each links to the MITEY site that covers it in depth.
What this is
The toolbox runs the same calculation engines that power the MITEY specialist sites, so a number here matches the number there. Pick a tool, change the inputs and the result updates; your inputs go in the address bar so you can share or save the link. Rules are dated in each tool.
How much down payment do I need, and what will mortgage insurance cost? In depth: mortgagepreapproval.ca
CMHC insurance and minimum down payment calculator
Rules as of
Insurance premium$24,400
- Minimum down payment
- $40,000
- Loan-to-value
- 93.85%
- Premium rate
- 4.00%
- Mortgage with premium added
- $634,400
- Sales tax on premium (cash at closing)
- $1,952
Insurance premium: $24,400
Assumptions & sources
Assumptions
- Engine: MITEY calc engines, tool “mortgage-insurance”, rules as of 2024-12-15.
- This question's home in the MITEY network is mortgagepreapproval.ca.
- Estimates for education, not advice. Confirm with your lender, lawyer or the agency named in the sources.
Sources
- CMHC — Homeowner mortgage loan insurance — Purchase. Checked .
- CMHC — CMHC Home Start (30-year amortization). Checked .
- Department of Finance Canada — Boldest mortgage reforms in decades come into force today (effective December 15, 2024). Checked .
- Government of Ontario — Retail sales tax: insurance and benefits plans (8%) (effective September 18, 2026). Checked .
- Revenu Québec — Harmonization of the insurance premiums tax rate with the QST rate (effective April 9, 2026). Checked .
- Government of Saskatchewan — PST Bulletin PST-73: Insurance contracts (effective April 1, 2020). Checked .

Found a number that looks wrong? The contact form goes to the people who maintain the engines.
All tools
- Mortgage payment calculator — What will my mortgage payment be, and how fast can I pay it off? Rules as of 2026-11-01.
- Home affordability calculator — How much house can I afford in Canada? Rules as of 2024-12-15.
- Mortgage stress test calculator — Do I pass the mortgage stress test? Rules as of 2024-11-21.
- CMHC insurance and minimum down payment calculator — How much down payment do I need, and what will mortgage insurance cost? Rules as of 2024-12-15.
- Land transfer tax calculator — How much land transfer tax will I pay? Rules as of 2026-10-01.
- Closing costs and cash-to-close calculator — How much cash do I need to close on a home? Rules as of 2026-10-01.
- FHSA and Home Buyers' Plan down-payment planner — How much can my FHSA and RRSP Home Buyers' Plan put toward a down payment? Rules as of 2026-01-01.
- Mortgage penalty calculator (IRD and 3 months' interest, by lender) — What will it cost to break my mortgage? Rules as of 2026-11-02.
- Break your mortgage for a lower rate? Break-even calculator — Is it worth breaking my mortgage to get a lower rate? Rules as of 2026-11-01.
- Mortgage renewal payment calculator — How much will my payment change at renewal? Rules as of 2024-11-21.
- Is this a good mortgage rate? Offer comparison — Which mortgage offer is actually cheaper once fees and cashback count? Rules as of 2026-11-01.
- HELOC and home equity calculator — How much home equity can I borrow? Rules as of 2012-06-01.
- Debt consolidation into your mortgage — Should I roll my debts into my mortgage or a second mortgage? Rules as of 2026-11-01.
- Reverse mortgage calculator (CHIP, Income Advantage, EQ Flex, Home Trust) — How much would a reverse mortgage grow to, and how much equity would be left? Rules as of 2026-11-02.
- Rent vs buy calculator — Is it better to rent or buy? Rules as of 2024-12-15.
- Rental property cash flow calculator — Will this rental property cash flow? Rules as of 2026-11-01.
- New home GST/HST rebate calculator (federal and Ontario) — How much GST/HST will I pay on a new home after rebates? Rules as of 2026-10-01.
- Which debts should I pay off to qualify? — Which debts should I pay off to get approved for a bigger mortgage? Rules as of 2021-07-05.
- Variable mortgage trigger rate calculator — At what rate does my fixed-payment variable mortgage stop paying down principal? Rules as of 2026-11-01.
- Private mortgage cost calculator — What does a private mortgage really cost once fees are counted? Rules as of 2026-11-01.
- Property tax calculator (2026 city rates) — How much property tax will I pay in my city? Rules as of 2026-05-11.
- Alberta mortgage renewal decision: renew, switch or break now — Should I renew with my lender, switch at maturity, or break now and switch? Rules as of 2026-11-02.