CMHC Insurance Calculator — Know Your Premium Before You Offer
Required on all homes under $1.5M with less than 20% down, CMHC default insurance can add thousands to your mortgage. See your exact premium, provincial PST, and monthly payment impact in seconds.
What you'll need
- Purchase price (must be under $1.5M for CMHC to apply)
- Your down payment amount
- The province where you're buying
- Amortization period (25 or 30 years)
How it works
Enter purchase price & down payment
We check if your down payment qualifies for CMHC insurance (under 20%, home under $1.5M).
Select your province
Ontario, Quebec, and Manitoba charge PST on the CMHC premium — paid upfront at closing.
Choose your amortization
30-year amortization carries a 0.20% CMHC surcharge, available to first-time buyers and new-build purchasers.
CMHC Premium by Down Payment
| Down Payment | Premium Rate | On $600K Home | Monthly Added* |
|---|---|---|---|
| 5% ($30K) | 4.00% | $22,800 | $128/mo |
| 10% ($60K) | 3.10% | $16,740 | $94/mo |
| 15% ($90K) | 2.80% | $14,280 | $80/mo |
| 20%+ | None | $0 | $0/mo |
*Monthly estimate at 5.0% rate, 25yr amortization. PST not included.
Frequently asked questions
What are the 2025 CMHC insurance premium rates?
The 2025 CMHC premium rates are: 4.00% for down payments of 5%–9.99%; 3.10% for 10%–14.99%; and 2.80% for 15%–19.99%. A 0.20% surcharge applies for 30-year amortization (available for first-time buyers and new builds).
Is CMHC insurance required for homes over $1 million?
Since December 15, 2024, CMHC insurance is available for homes priced up to $1.5 million (raised from $1 million). Homes above $1.5 million require at least 20% down and are not eligible for CMHC insurance.
Do I pay PST on CMHC insurance?
Ontario charges 8% PST, Quebec charges 9% PST, and Manitoba charges 8% PST on the CMHC premium. This PST must be paid upfront at closing and cannot be rolled into the mortgage. Other provinces have no PST on the CMHC premium.
Can I avoid CMHC insurance?
Yes — put down 20% or more and CMHC insurance is not required. You can also avoid it by purchasing a home over $1.5 million (which requires 20%+ down). Note that avoiding CMHC often means a higher interest rate from lenders.
Authoritative resources
Ready to see your CMHC cost?
Calculate My CMHC Premium →Related Calculators
Canadian Mortgage Calculator
Calculate your monthly payment
Mortgage Affordability Calculator
See the maximum home price you qualify for
Land Transfer Tax Calculator
Estimate land transfer tax on top of down payment
FHSA Calculator
Maximize your First Home Savings Account before buying
RRSP Home Buyers Plan Calculator
Use up to $35,000 from your RRSP toward down payment