The Comerica Bank mortgage calculators are provided to help inform users as to the various home financing options available to them. For detailed information regarding Comerica’s mortgage loan offers, please visit their ‘Mortgage Center‘ website. Common mortgage and home financing questions can be answered by a mortgage specialist at this number (800-867-5188) on their general FAQ webpage.

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Representative rates can be viewed on the mortgage center’s main website. For detailed rate information, interested individuals should contact a mortgage specialist over the phone (800-867-5188), or visit a branch location.


How to Calculate

Determines the total costs of a mortgage, based on the following inputs:

  • The purpose of the loan
  • Total purchase/sale price
  • Amount of loan
  • Property usage
  • Type of property
  • City
  • State
  • ZIP code
  • Monthly income (gross)
  • Monthly debt (optional)
  • Enter the captcha

After entering all of the information, and completing the captcha, click the ‘Calculate’ button.

Calculates an estimation of how much of a mortgage an individual might qualify for. Enter the following inputs:

  • Annual income
  • Total monthly debt expenses (do not include insurance, utilities, etc.)
  • Amount available for down payment/closing costs
  • Expected interest rate
  • Check for detailed output

Click the ‘Calculate’ button to view the results.

This calculator determines how much a mortgage’s monthly payments will be, based on the following information:

  • Term length in years
  • Expected interest rate
  • Sale price/cost of home
  • Amount of loan
  • Annual property taxes
  • Homeowner’s insurance
  • Association dues

Click the ‘Calculate’ button to generate the results.

Compares the costs of renting a property/home versus purchasing one using a mortgage. The following information is required:

  • Current monthly rent
  • Expected rate of increase for rent
  • Federal income rate
  • Term length in years
  • Loan rate percentage
  • Expected loan amount for purchasing a home
  • Property purchase cost
  • Annual appreciation rate
  • Annual property taxes
  • Estimated length of residence

Once the above inputs have been entered, click the ‘Calculate’ button.

Determines whether refinancing a mortgage is a good decision, based on the following inputs:

  • Current balance of loan
  • Current interest rate
  • Current principal and interest payment
  • Estimated value of property
  • Term length in years
  • New loan amount
  • New loan interest rate

Click the ‘Calculate’ button to view the results.

Provides an overview of a mortgage’s monthly payments, based on the following information:

  • Loan amount
  • Interest rate
  • Type of loan
  • Starting month of loan
  • Starting year of loan

Press the ‘Calculate’ button to generate the results.