Private Mortgage Insurance (PMI) is an extra monthly cost added to your mortgage when your down payment is less than 20%. Under the Homeowners Protection Act, you have the right to cancel PMI once your loan balance drops to 80% of your home's value — and your lender must automatically terminate it at 78% of the original purchase price. This calculator shows you exactly when those milestones arrive and how much you can save by requesting early removal or making extra payments.
Mortgage Details
Home Value
Leave same as purchase price if unsure
Loan Details
Purchase price minus down payment
Principal + interest only, exclude escrow
Timing & Extra Payments
Additional principal payment each month
Current Loan-to-Value Ratio
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PMI Cost Summary
Extra Payment Impact
LTV Progress
How PMI Removal Works
Under the Homeowners Protection Act (HPA), you have two paths to remove PMI:
Borrower-Requested (80% LTV)
- Request when balance reaches 80% of current value
- Must be current on payments
- Good payment history required
- Lender may require a new appraisal
Automatic Termination (78% LTV)
- Based on original purchase price only
- Lender must cancel — no request needed
- Must be current on payments
- Applies to the original amortization schedule
How to Use This PMI Removal Calculator
If you bought a home with less than 20% down, you are likely paying Private Mortgage Insurance — an extra cost that protects the lender, not you. PMI typically adds $75 to $200+ per month to your mortgage payment. The good news is that PMI does not last forever. This PMI removal calculator tells you exactly when you qualify to drop it, and how much money you can save by acting sooner rather than waiting for automatic cancellation.
Step 1: Enter Your Home Values
Start by entering your original purchase price and your current estimated home value. If your home has appreciated since you bought it, the current value will be higher — which means your loan-to-value ratio is lower, and you may qualify for PMI removal sooner. If you are not sure of the current value, use your purchase price as a conservative estimate. You can check online home value estimators or recent comparable sales in your area for a better figure.
Step 2: Enter Your Loan Details
Enter your original loan amount (what you borrowed at closing), your current outstanding balance (check your latest mortgage statement), your interest rate, and your monthly principal and interest payment. Make sure to use your P&I payment only — do not include property taxes, homeowners insurance, or escrow amounts. These figures are available on your monthly mortgage statement or your lender's online portal.
Step 3: Set Your Start Date and Extra Payments
Select the month and year your loan originated. This is important because automatic PMI termination at 78% is calculated based on the original amortization schedule from your start date. If you want to see the impact of making extra principal payments, enter a monthly amount in the optional extra payment field. Even $100–$200 per month can shave months or years off your PMI timeline.
Step 4: Review Your PMI Removal Timeline
After clicking Calculate, the tool shows your current LTV ratio, the exact month you reach 80% LTV (when you can request cancellation), and the month you hit 78% of original value (when PMI auto-terminates). You will also see the total PMI cost under each scenario and how much you save by requesting removal early. If you entered extra payments, a separate section shows how many months sooner you reach 80% LTV and the additional PMI dollars saved.
Understanding the Homeowners Protection Act
The Homeowners Protection Act (HPA) gives borrowers two key rights. First, you can request PMI cancellation when your loan balance falls to 80% of your home's current appraised value — this is the borrower-initiated route. Second, lenders must automatically terminate PMI when your balance is scheduled to reach 78% of the original purchase price on the normal amortization schedule. Knowing both dates lets you plan the most cost-effective strategy for eliminating this unnecessary expense from your monthly budget.
FAQ
Is this PMI removal calculator free?
Yes, this PMI removal calculator is completely free with no signup, no account, and no hidden fees. All calculations run locally in your browser — your mortgage details are never sent to any server or stored anywhere.
Is my mortgage data safe and private?
Absolutely. All calculations happen entirely in your browser using JavaScript. No data is ever transmitted to a server or stored in a database. You can disconnect from the internet after loading the page and the calculator will still work, confirming that nothing leaves your device.
What is the difference between 80% and 78% LTV for PMI removal?
At 80% LTV (loan-to-value), you can request PMI cancellation from your lender under the Homeowners Protection Act. At 78% LTV of the original home value, your lender must automatically terminate PMI — no request needed. The 80% threshold uses your current home value, while the 78% threshold is based on the original purchase price.
How do I request PMI removal from my lender?
Once your loan balance reaches 80% of your home's current appraised value, contact your mortgage servicer in writing to request PMI cancellation. You must be current on payments with a good payment history. The lender may require a new appraisal at your expense to confirm the home's value — typically costing $300 to $600.
Can home appreciation help me remove PMI sooner?
Yes. If your home has increased in value since purchase, your current LTV ratio is lower than it would be based on the original price alone. Enter your current estimated home value in this calculator to see how appreciation affects your PMI removal timeline. Some lenders require a formal appraisal to confirm the higher value.
Do extra mortgage payments help remove PMI faster?
Yes. Extra payments go directly toward reducing your principal balance, which lowers your LTV ratio faster. This calculator shows exactly how many months sooner you can drop PMI by making additional principal payments each month, along with the total PMI dollars you save.
How much does PMI typically cost?
PMI typically costs between 0.5% and 1.5% of the original loan amount per year, depending on your credit score, down payment size, and loan type. On a $300,000 loan, that is roughly $125 to $375 per month. This calculator provides estimates based on your current LTV ratio to give you a realistic monthly cost.