How to Calculate Mortgage Payment with PMI

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Are you in the market for a new home and wondering how to calculate your mortgage payment with PMI? Understanding this process is crucial when it comes to budgeting and planning for homeownership. In this guide, we will provide you with a step-by-step approach to calculate your mortgage payment with Private Mortgage Insurance (PMI). By the end of this article, you will have a clear understanding of how PMI affects your monthly payment and how to include it in your calculations.

Understanding PMI (Private Mortgage Insurance)

Before we delve into the calculations, let’s first grasp the concept of Private Mortgage Insurance (PMI). PMI is a type of insurance that lenders typically require when the down payment on a home is less than 20% of the purchase price. Its purpose is to protect the lender in case the borrower defaults on the loan. Having PMI allows borrowers to obtain a mortgage with a smaller down payment, but it does come at an additional cost.

Components of a Mortgage Payment

To calculate your mortgage payment with PMI accurately, you need to understand the different components that make up your monthly payment. These components include the principal amount, interest rate, loan term, PMI premium, and potential escrow payments if applicable.

The principal amount refers to the total loan amount you borrow from the lender. The interest rate is the percentage charged by the lender for borrowing the money. The loan term specifies the duration over which you will repay the mortgage.

PMI premium is the additional fee added to your monthly payment if you have less than a 20% down payment. It is typically calculated as a percentage of the loan amount and varies depending on factors such as your credit score, loan-to-value ratio, and loan type.

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Calculating Mortgage Payment with PMI

Now, let’s get into the nitty-gritty of calculating your mortgage payment with PMFollow these step-by-step instructions to ensure accurate calculations:

  1. Determine the loan amount and interest rate: Start by identifying the total loan amount and the interest rate associated with your mortgage.

  2. Calculate the monthly principal and interest payment: Use a mortgage calculator or consult with your lender to determine the monthly principal and interest payment based on the loan amount and interest rate.

  3. Determine the PMI premium: As mentioned earlier, PMI is typically calculated as a percentage of the loan amount. Contact your lender or review your loan agreement to find out the exact PMI premium percentage.

  4. Add the PMI premium to the monthly payment: Multiply the loan amount by the PMI premium percentage and divide it by 12 to determine the monthly PMI premium. Add this amount to your monthly principal and interest payment calculated in step 2.

  5. Calculate the total monthly mortgage payment with PMI: Sum up the monthly principal and interest payment (step 2) with the monthly PMI premium (step 4). This will give you the total monthly mortgage payment with PM

    Frequently Asked Questions (FAQ)

How long is PMI typically required?

The duration of PMI varies depending on the terms of your loan and the amount of your down payment. In most cases, PMI is required until your loan-to-value ratio reaches 80%, meaning you have paid off 20% of the original purchase price.

Can PMI be cancelled or removed?

Yes, PMI can be cancelled or removed under certain circumstances. Once your loan-to-value ratio reaches 80%, you can request the removal of PMHowever, if your loan is backed by the Federal Housing Administration (FHA), you will need to refinance your loan to eliminate PMI entirely.

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Does PMI affect the APR (Annual Percentage Rate)?

Yes, PMI does affect the APR of your mortgage. The APR includes the interest rate, loan fees, and the cost of PMTherefore, having PMI will increase your APR slightly.

Can I avoid PMI altogether?

While a 20% down payment is typically required to avoid PMI, there are alternative options available. Some lenders offer piggyback loans or lender-paid PMI as alternatives, but they come with their own pros and cons. It’s essential to explore these options and consult with your lender to determine the best solution for your situation.

How is PMI affected by a larger down payment?

If you make a larger down payment, your loan-to-value ratio decreases. As a result, you may not be required to have PMI or may only need it for a shorter period. A larger down payment can help you save on PMI costs in the long run.


Calculating your mortgage payment with PMI is a crucial step in understanding the financial commitments associated with homeownership. By following the step-by-step guide provided in this article, you can accurately determine your monthly mortgage payment, including the PMI premium. Remember, PMI is typically required when your down payment is less than 20%, but there are ways to remove it once you reach a certain loan-to-value ratio. Use this knowledge to make informed decisions and plan your budget accordingly.

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