How to Use This Calculator
- 1
Enter Home Value
Input the current market value or purchase price of your home.
- 2
Specify Loan Amount
Enter the total mortgage loan amount you are borrowing.
- 3
Input Annual PMI Rate
Enter the annual private mortgage insurance premium rate as a percentage (typically 0.2%–2%).
- 4
Set Insurance Term
Input how many years you expect to pay PMI before reaching 20% equity or refinancing.
- 5
Review your results
The calculator displays your monthly and annual PMI payments, total cost, LTV ratio, equity percentage, and cancellation status. The PMI Insights panel shows your equity position, cost impact, path to cancellation, and a breakdown bar of your home value split between equity and loan balance.
Example Calculation
A homeowner has a $200,000 loan on a $250,000 home with an annual PMI rate of 0.5%. They want to estimate their PMI costs over a 5-year insurance term.
Home Value ($)
250,000
Loan Amount ($)
200,000
Annual PMI Rate (%)
0.5
Insurance Term (years)
5
Results
Monthly PMI
$83.33
Annual Premium
$1,000
Total Cost
$5,000
LTV
80.0%
Equity
20.0%
Insights card shows equity position and cancellation status.
Tips
Achieve 20% Equity to Cancel PMI
The quickest way to eliminate PMI is to reach 20% equity in your home. You can do this by making extra principal payments, waiting for market appreciation, or a combination of both. Once you hit 80% LTV, you can request cancellation.
Consider a Larger Down Payment
Making a down payment of 20% or more on your home purchase avoids PMI altogether. On a $250,000 home, that means putting down $50,000 instead of the $50,000 in the example — saving $5,000 in PMI over 5 years.
Refinance for PMI Removal
If your home value has significantly appreciated or you've paid down a substantial portion of your loan, refinancing to a new mortgage with an LTV of 80% or less can eliminate PMI, even if you haven't reached 20% equity on your original loan.
Know the Automatic Cancellation Rule
Under the Homeowners Protection Act, lenders must automatically cancel PMI when your LTV reaches 78% based on the original purchase price, provided you're current on payments. You can request cancellation earlier at 80% LTV.
The Mortgage Insurance Calculator helps homeowners understand the costs of Private Mortgage Insurance (PMI) and plan for its cancellation.
It estimates your monthly and total PMI payments, calculates your loan-to-value (LTV) ratio, and shows your current home equity position.
The PMI Insights panel reveals your path to cancellation and how much principal you need to pay down.
For instance, a $200,000 loan on a $250,000 home with a 0.5% annual PMI rate incurs $83.33 in monthly PMI.
Navigating Private Mortgage Insurance (PMI) Requirements
Private Mortgage Insurance (PMI) is a common reality for homebuyers in 2026 who make a down payment of less than 20%.
Its primary purpose is to protect the lender, not the homeowner, in the event of default.
PMI rates generally range from 0.3% to 1.5% of the loan amount annually, depending on your credit score, LTV ratio, and loan type.
To avoid or remove PMI, homeowners can make a larger down payment, make extra principal payments to reach 20% equity faster, or refinance if their home value has significantly appreciated.
The Homeowners Protection Act mandates automatic PMI cancellation once your LTV reaches 78%, and you can request cancellation at 80% LTV.
The Calculation Behind Your PMI Costs
The calculator determines your PMI costs based on your loan amount and annual PMI rate.
The annual premium is a percentage of your loan balance, divided by 12 for the monthly payment.
Total PMI cost is the annual premium multiplied by the insurance term.
LTV is calculated by dividing the loan amount by the home value.
annualPremium = (loanAmount × annualPremiumRate) / 100
monthlyPremium = annualPremium / 12
totalCost = annualPremium × insuranceTerm
ltv = (loanAmount / homeValue) × 100
equityPercent = 100 - ltv
equityDollars = homeValue - loanAmount
neededFor80LTV = loanAmount - (homeValue × 0.80)
Estimating PMI for an 80% LTV Scenario
Let's calculate the PMI costs for a homeowner with the following details:
- Home Value:
$250,000 - Loan Amount:
$200,000 - Annual PMI Rate:
0.5% - Insurance Term:
5 years
Step 1: Calculate Loan-to-Value (LTV) Ratio.
LTV = ($200,000 / $250,000) × 100 = 80%Step 2: Calculate Annual PMI Premium.
Annual Premium = ($200,000 × 0.5) / 100 = $1,000Step 3: Calculate Monthly PMI Payment.
Monthly Payment = $1,000 / 12 = $83.33Step 4: Calculate Total PMI Cost.
Total Cost = $1,000/year × 5 years = $5,000
The calculator shows a monthly PMI payment of $83.33, an annual premium of $1,000, and a total PMI cost of $5,000 over the 5-year term.
Since the LTV is exactly 80%, the homeowner is at the threshold where PMI can be cancelled.
The Insights panel shows $50,000 in equity (20%) and confirms cancellation eligibility.
The Origins and Evolution of Mortgage Insurance
The modern form of mortgage insurance gained prominence in the United States during the Great Depression.
The Federal Housing Administration (FHA) was created in 1934 to stimulate the housing market by insuring lenders against default, making mortgages more accessible with down payments as low as 3.5%.
Private mortgage insurance (PMI) emerged in 1957 with the establishment of Mortgage Guaranty Insurance Corporation (MGIC), offering similar lender protection for conventional loans.
Both FHA insurance and PMI have become integral parts of the U.S. housing finance system, with the Homeowners Protection Act of 1998 establishing clear rules for PMI cancellation at the 78% and 80% LTV thresholds.
Frequently Asked Questions
What is mortgage insurance and when is it required?
Mortgage insurance protects the lender if you default on the loan. Private Mortgage Insurance (PMI) is required on conventional loans with less than 20% down. FHA loans require an upfront and annual mortgage insurance premium regardless of the down payment amount.
How much does mortgage insurance cost?
PMI typically costs 0.3% to 1.5% of the original loan amount per year, depending on your credit score, down payment, and loan type. On a $300,000 loan, that is $75 to $375 per month. FHA mortgage insurance premiums are 0.55% annually plus a 1.75% upfront premium.
How can I avoid or remove mortgage insurance?
Put 20% or more down to avoid PMI on conventional loans. For existing PMI, request removal when your equity reaches 20% (it is automatically canceled at 22%). Alternatively, consider lender-paid PMI with a slightly higher rate, or a piggyback loan to avoid PMI entirely.
Is FHA mortgage insurance different from PMI?
Yes. FHA mortgage insurance includes an upfront premium of 1.75% of the loan amount and an annual premium of 0.55%. Unlike PMI, FHA insurance lasts for the life of the loan if you put less than 10% down. With 10%+ down, it is removed after 11 years.