CMHC Mortgage Insurance Calculator
Your lender requires this insurance when you put down less than 20%. Here is what it will actually cost you.
You will need
- Home purchase price
- Down payment amount or percentage
- Province (for provincial tax on premium)
You will know
- Exact CMHC premium amount
- How much it adds to your monthly payment
- Provincial tax due at closing (ON, QC, SK)
- True total cost including compounded interest
$
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5%20%30%
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CMHC Premium
$25,200
Insured Mortgage
$655.2K
Monthly Payment
$3,407.53
RST on CMHC (at closing)
$2,016
Payment comparison: 10.0% down vs 20% down
$3,407.53
With CMHC (10.0% down)
$3,276.47
Without CMHC (20% down)
Monthly saving by reaching 20% down: $131.06
CMHC premium rates for 2026
| Down Payment | LTV Ratio | Premium Rate |
|---|---|---|
| 5% – 9.99% | 90.01% – 95% | 4.00% |
| 10% – 14.99% | 85.01% – 90% | 3.10% |
| 15% – 19.99% | 80.01% – 85% | 2.80% |
| 20%+ | 80% or less | No insurance required |
Frequently asked questions
Calculate your full mortgage payment
Including CMHC, amortization schedule, land transfer tax, and total upfront costs.
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