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PMI Calculator: Estimate Your Private Mortgage Insurance Costs

By Chris Wisinski
Apr 18

Let’s talk about one of those little details that can sneak up on you in the homebuying process: Private Mortgage Insurance, or PMI. If you’re putting down less than 20% on a conventional loan, you’ll likely have to deal with it—but don’t worry, it’s not as scary as it sounds. In fact, knowing how to calculate PMI costs upfront can help you plan better and avoid surprises. That’s where a handy PMI calculator comes into play.

What Is PMI (Private Mortgage Insurance)?

PMI stands for Private Mortgage Insurance. It’s a type of insurance that protects the lender (not you, the borrower) in case you stop making payments on your loan. It doesn’t benefit you directly, but it allows you to buy a home with a lower down payment—sometimes as little as 3%.

When Is PMI Required?

PMI is typically required when your down payment is less than 20% of the home’s purchase price on a conventional loan. If you’re using an FHA, VA, or USDA loan, different types of mortgage insurance apply (we’ll cover that later).

How Does a PMI Calculator Work?

A PMI cost calculator helps you estimate how much you’ll pay monthly for PMI based on key loan details. It’s a super helpful tool whether you’re just starting your home search or fine-tuning your budget before making an offer.

Key Inputs Needed:

  • Home Price / Loan Amount
  • Down Payment (in dollars or percentage)
  • Credit Score Range
  • Loan Term (15-year vs. 30-year)

Once you plug in these details, the Private Mortgage Insurance calculator gives you an estimated monthly PMI cost.

How Lenders Determine PMI Rates

PMI isn’t one-size-fits-all. Rates usually range from 0.22% to 2.25% of the loan amount per year, depending on:

Benefits of Using a PMI Calculator

  • Helps you budget smarter
  • Lets you compare different down payment options
  • Avoids surprises during the underwriting process
  • Empowers you to ask better questions when speaking with your lender

How to Use Midwest Mortgage’s PMI Calculator

We’ve made it incredibly simple. Here’s how:

Step-by-Step Guide:

  1. Enter the home purchase price
  2. Input your down payment
  3. Add your loan term
  4. Select your credit score range
  5. Get an instant estimate of your monthly PMI cost

Tips for Accurate Results:

  • Be as accurate as possible with your credit score and down payment
  • Remember, PMI estimates can vary by lender
  • This is a great first step before speaking to a loan officer

Factors That Affect PMI Costs

Loan-to-Value Ratio (LTV)

The higher your LTV (i.e., the lower your down payment), the higher your PMI.

Credit Score Impact

Better credit can mean a lower PMI rate. If you’re on the borderline, a small score boost can save you money.

Loan Type

PMI applies mostly to conventional loans. FHA loans have their own mortgage insurance premiums (MIP), and VA/USDA loans work a little differently.

How to Remove PMI from Your Mortgage

Here’s the good news: PMI isn’t forever.

You can usually remove PMI once you hit 20% equity in your home. This can happen through regular payments or home value appreciation. Some lenders will cancel PMI automatically at 22% equity, but others may require a formal request and possibly an appraisal.

PMI vs. Other Mortgage Insurance Types

PMI vs. FHA MIP

FHA loans charge a Mortgage Insurance Premium (MIP) instead of PMI. Unlike PMI, MIP often lasts the life of the loan unless you refinance into a conventional loan.

PMI vs. USDA or VA Funding Fees

USDA loans have a guarantee fee; VA loans have a funding fee. These are one-time (or rolled-in) fees and don’t require monthly mortgage insurance like PMI.

Conclusion: Smart PMI Planning Saves Money

PMI doesn’t have to be a budget buster—especially if you go into the process informed. Using a PMI calculator can give you a realistic look at what to expect and help you strategize your down payment, loan choice, and even credit score improvements.

At Midwest Mortgage, we’re here to guide you through every step, whether you’re calculating PMI, comparing loan options, or figuring out the fastest way to remove mortgage insurance. Let’s make homeownership smarter, together.

Frequently Asked Questions

1. How much does PMI cost per month?

It depends on your loan size, credit score, and down payment. On average, PMI ranges from $30 to $70 per $100,000 borrowed.

2. Can I avoid PMI with less than 20% down?

Yes, in some cases—like with lender-paid PMI, piggyback loans, or certain loan programs. Talk to your lender for options.

3. Does PMI protect the homeowner?

No, PMI protects the lender in case of default. It does not cover your mortgage if you lose your job or get sick.

4. How soon can I remove PMI?

Typically when your loan-to-value ratio hits 80%. Some lenders require a formal request and possibly an appraisal.

5. Is PMI tax-deductible?

It has been in the past, depending on income and legislation. Check with a tax advisor for current rules.

6. Does Midwest Mortgage offer PMI calculators?

Absolutely! We offer an easy-to-use PMI calculator to help you estimate your monthly costs and plan your budget.

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